<?xml version="1.0" encoding="utf-8" standalone="yes"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml"><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/engines-and-motors/electric-power-systems/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutter-plans-and-products/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/general/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/other/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/wings/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/albatross-1-configuration/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/electronics/rc-interference-scanning-faq/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/allegro-2m/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/getting-started/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/electric-conversions-and-upgrades/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/engines-and-motors/engine-design-notes-and-upgrades/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutter-bows-and-power-supplies/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/fuselage-and-tail/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/software/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/electronics/tools/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/albatross-2-configuration/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/allegro-lite-2m/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/wing/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/electronics/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutting-tips/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/incidence-and-alignment/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/slow-flier-enhancements/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/wing-planform-and-structure/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/passive-pitch-stabilization/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/apogee-hlg/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/fuselage-tail/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/airfoils/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/field-and-flying/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/sailplane-modifications/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/templates/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/bubble-dancer/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/airfoil-performance-concepts/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/radio-balance/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/tail-design-and-structure/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/vacuum-bagging/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/aegea-2m/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/active-stability/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/flying-tuning/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/other/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/repair-tips/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/supergee/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/active-pitch-stabilizer/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/parts-list/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/engines-and-motors/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/supergee-ii/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/trim-attitude-selection/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/wing-cores-and-more/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/supra/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/practical-considerations-and-servos/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/zagi-thl-tips/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/options/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/aoa-sensor/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/terminatorhlg/updates/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/test-flights-and-adjustments/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/high-start-and-winch-launches/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/stabilizer-schematic-walk-through/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/kahug-dlg/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/source-code-walk-through/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/albatross-asfwpp/reference-files/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/drela-airfoil-shop/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/12/23/december-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/12/16/december-crrc-meeting/</loc><lastmod>2026-02-13T20:18:49-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/11/25/november-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/11/18/november-crrc-meeting/</loc><lastmod>2026-02-13T20:18:49-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/10/28/october-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/10/21/october-crrc-meeting/</loc><lastmod>2026-02-13T20:18:49-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/09/23/september-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/09/19/september-crrc-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/08/30/fritz-bien-memorial-soar-in-day-2/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/08/29/fritz-bien-memorial-soar-in-day-1/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/08/19/august-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/08/15/august-crrc-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/07/25/nerds-drone-race-2026/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/07/22/july-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/07/18/july-crrc-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/07/04/crrc-demonstration-day/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/06/24/june-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/06/20/june-crrc-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/06/14/crrc-ales-day-2/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/06/13/crrc-ales-day-1/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/05/23/flea-and-fly/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/05/20/may-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/05/16/may-crrc-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/04/22/april-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/04/15/april-crrc-meeting/</loc><lastmod>2026-02-13T20:18:49-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/03/25/march-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/03/18/march-crrc-meeting/</loc><lastmod>2026-02-13T20:18:49-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/02/25/february-board-of-directors-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/02/18/february-crrc-meeting/</loc><lastmod>2026-02-13T20:18:49-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/01/22/january-crrc-meeting/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2026/january/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2026/01/01/frozen-finger-fun-fly/</loc><lastmod>2025-10-02T20:39:45-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/12/24/december-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/12/17/december-crrc-meeting/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/december/</loc><lastmod>2026-02-07T14:16:14-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/11/26/november-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/11/19/november-crrc-meeting/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/november/</loc><lastmod>2025-11-26T21:11:02-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/10/22/october-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/10/11/october-crrc-meeting/</loc><lastmod>2025-10-02T20:39:45-04:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/october/</loc><lastmod>2025-10-18T21:20:15-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/09/24/september-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/09/20/september-crrc-meeting/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/september/</loc><lastmod>2025-10-02T20:39:45-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/08/24/fritz-bien-memorial-soar-in-day-2/</loc><lastmod>2025-08-15T09:34:20-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/08/23/fritz-bien-memorial-soar-in-day-1/</loc><lastmod>2025-08-15T09:34:20-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/08/20/august-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/08/16/august-crrc-meeting/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/august/</loc><lastmod>2025-08-15T09:34:20-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/07/26/nerds-drone-race-2025/</loc><lastmod>2025-07-19T12:09:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/07/23/july-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/07/19/military-service-day-demo/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/07/12/july-crrc-meeting/</loc><lastmod>2025-05-28T16:55:21-04:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/july/</loc><lastmod>2025-07-19T12:09:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/07/04/crrc-demonstration-day/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/06/25/june-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/06/22/crrc-ales-day-2/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/06/21/crrc-ales-day-1/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/06/15/june-crrc-meeting/</loc><lastmod>2025-06-13T20:27:36-04:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/june/</loc><lastmod>2025-07-19T12:09:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/05/24/flea-and-fly/</loc><lastmod>2025-04-24T09:26:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/05/21/may-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/05/17/may-crrc-meeting/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/05/17/davis-field-cleanup/</loc><lastmod>2025-04-24T09:26:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/may/</loc><lastmod>2025-05-23T11:30:38-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/04/23/april-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/04/16/april-crrc-meeting/</loc><lastmod>2025-02-17T14:47:19-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/april/</loc><lastmod>2025-04-13T11:00:57-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/03/26/march-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/03/19/march-crrc-meeting/</loc><lastmod>2024-11-10T09:10:23-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/march/</loc><lastmod>2025-03-16T20:34:20-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/02/26/february-board-of-directors-meeting/</loc><lastmod>2025-03-29T13:32:00-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/02/12/february-crrc-meeting/</loc><lastmod>2024-11-10T09:10:23-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/february/</loc><lastmod>2025-02-17T13:05:58-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/01/15/january-board-of-directors-meeting/</loc><lastmod>2024-11-10T09:10:23-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/01/08/january-crrc-meeting/</loc><lastmod>2024-11-10T09:10:23-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/january/</loc><lastmod>2025-01-11T10:29:11-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2025/01/01/frozen-finger-fun-fly/</loc><lastmod>2024-11-10T09:10:23-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/12/23/december-board-of-directors-meeting/</loc><lastmod>2024-11-10T09:10:23-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/12/18/december-crrc-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/december/</loc><lastmod>2025-02-17T14:52:37-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/11/27/november-board-of-directors-meeting/</loc><lastmod>2024-11-10T09:10:23-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/11/20/november-crrc-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/november/</loc><lastmod>2024-11-27T21:03:26-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/10/22/october-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/10/16/october-crrc-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/october/</loc><lastmod>2024-11-10T09:10:23-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/09/24/september-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/09/21/september-crrc-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/september/</loc><lastmod>2024-10-02T15:51:03-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/08/27/august-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/08/25/fritz-bien-memorial-soar-in-day-2/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/08/24/fritz-bien-memorial-soar-in-day-1/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/08/17/august-crrc-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/august/</loc><lastmod>2024-10-02T15:51:03-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/07/27/nerds-drone-race-2024/</loc><lastmod>2024-07-09T20:26:23-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/07/24/july-board-of-directors-meeting/</loc><lastmod>2024-07-24T15:52:34-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/07/20/military-service-day-demo/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/07/14/july-crrc-meeting/</loc><lastmod>2024-07-12T21:03:30-04:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/july/</loc><lastmod>2024-07-09T20:26:23-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/07/04/crrc-demonstration-day/</loc><lastmod>2024-06-25T22:12:24-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/06/25/june-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/06/23/crrc-ales-day-2/</loc><lastmod>2024-06-14T21:18:37-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/06/22/sudbury-spring-fest/</loc><lastmod>2024-04-28T13:14:26-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/06/22/crrc-ales-day-1/</loc><lastmod>2024-06-14T21:18:37-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/06/15/june-crrc-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/june/</loc><lastmod>2024-06-14T21:18:37-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/05/25/flea-and-fly/</loc><lastmod>2024-04-28T13:14:26-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/05/21/may-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/05/11/davis-field-cleanup/</loc><lastmod>2024-04-25T12:20:06-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/05/11/may-crrc-meeting/</loc><lastmod>2024-04-25T12:20:06-04:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/may/</loc><lastmod>2024-05-18T12:55:16-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/04/23/april-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/04/16/april-crrc-meeting/</loc><lastmod>2024-04-15T20:14:38-04:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/april/</loc><lastmod>2024-04-15T20:14:38-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/03/26/march-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/03/20/march-crrc-meeting/</loc><lastmod>2024-03-20T10:45:19-04:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/march/</loc><lastmod>2024-03-20T10:45:19-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/02/27/february-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/02/21/february-crrc-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/february/</loc><lastmod>2024-02-20T21:31:01-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/01/23/january-board-of-directors-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/01/18/january-crrc-meeting/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/january/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2024/01/01/frozen-finger-fun-fly-2024/</loc><lastmod>2024-02-03T21:14:07-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/december/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/octobernovember/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/09/30/nerds-drone-race-2023/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/september/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/august/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/07/25/july-board-of-directors-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/07/15/july-crrc-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/july/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/07/04/crrc-demonstration-day/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/06/20/june-board-of-directors-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/06/17/june-crrc-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/june/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/05/23/may-board-of-directors-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/join-crrc/</loc><lastmod>2025-04-13T11:00:57-04:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/crrc-instructor-program/</loc><lastmod>2024-02-01T20:32:03-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/school-and-science/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/annual-events/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/contact/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/monthly-meetings/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/awards/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/club-by-laws/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/history/</loc><lastmod>2024-02-01T20:32:03-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/05/16/may-crrc-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/may/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/flying-sites/bill-martin-field-medfield-ma/</loc><lastmod>2024-02-01T20:32:03-05:00</lastmod></url><url><loc>https://charlesriverrc.org/flying-sites/school-street-field-acton-ma/</loc><lastmod>2025-04-13T11:00:57-04:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/04/19/april-crrc-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/april/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/03/14/march-crrc-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/march/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/02/15/february-crrc-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/february/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/2023/01/18/january-crrc-meeting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/january/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2022/december/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/board-of-directors/</loc><lastmod>2026-02-07T14:07:08-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2022/november/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2022/october/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/calendar/</loc><lastmod>2024-04-06T22:39:44-04:00</lastmod></url><url><loc>https://charlesriverrc.org/flying-sites/general-crrc-field-rules/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/flying-sites/davis-field-sudbury-ma/</loc><lastmod>2024-02-01T20:32:03-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/software/sailplane-calc/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/electric-conversions-and-upgrades/radical-rc-edge-540-electric/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutter-bows-and-power-supplies/martin-brungards-bow-tension-calculations/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/sailplane-modifications/improving-the-great-planes-spirit/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/sailplane-modifications/highlander-how-to/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/slow-flier-enhancements/dragonfly-construction-tips/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/general/easy-linkage-designer/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/field-and-flying/center-of-gravity-location/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/field-and-flying/using-the-rudder-in-thermal-flying/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/electronics/tools/icom-ic-r2-introduction/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/slow-flier-enhancements/litestick-modifications/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/vacuum-bagging/simple-vacuum-bagging-system/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/wings/accurate-shear-web-cutting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/custom-printed-lettering/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/field-and-flying/hand-launch-golf-rules/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/wings/improving-sanding-accuracy/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/working-with-cf-pushrods/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/wings/errorless-wing-construction/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/incidence-and-alignment/adjusting-hlg-incidence/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/fuselage-and-tail/bagging-ultralight-tails/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/tail-design-and-structure/quick-vtail-sizing/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutting-tips/foam-cutting-sequence/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/wings/center-wing-plug-solution/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/wings/co-cured-spoilers-for-foamglass-wings/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/vacuum-bagging/45-degree-weave-strength/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/rads-in-molded-airframes/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutting-tips/why-cut-bottom-first/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/electric-conversions-and-upgrades/spirit-100-electric-conversion/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/other/rocket-zagi/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/general/aerodynamics-bookshelf/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/software/equivalent-dihedral-angle-calculator-spreadsheet/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutter-plans-and-products/gracindo-pereiras-tandem-wing-machine/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/software/helmut-lelkes-design-analysis-program/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/on-line-plans/mark-drela-designs/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/vacuum-bagging/bagging-compound-wingtips/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/wing-planform-and-structure/zero-proof-res-wings/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/other/scobies-sanding-secrets/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/fuselage-and-tail/making-a-perfect-hatch/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/covering-with-easyspan/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/wing-planform-and-structure/quick-spar-strength-estimation/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/wings/accurate-shaping-of-balsa-surfaces-without-templates/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/attaching-trim-monokote/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/electric-conversions-and-upgrades/kyosho-t33-duct-enhancements/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/electric-conversions-and-upgrades/gp-spacewalker-e-conversion/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/electric-conversions-and-upgrades/eco-heli-duration-breakthrough/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/tail-design-and-structure/vtail-adverse-yaw/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/engines-and-motors/engine-design-notes-and-upgrades/more-hp-for-your-64/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/covering-an-epp-plane-with-sign-vinyl/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/airfoils/7035-psyko-camber-reflex-setup/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/wing-planform-and-structure/aspect-ratio-optimization/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/wing-planform-and-structure/aspect-ratio-vs-drag/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/wings/lightening-foam-wings/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/engines-and-motors/electric-power-systems/saft-3000-initial-test-results/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/strong-and-flexible-cloth-hinges/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/fiberglass-paint-preparation/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/templates/sanding-airfoil-templates/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/tail-design-and-structure/conventional-vs-vtails/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/airfoils/effect-of-camber-change-on-the-7035-airfoil/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/airfoils/thoughts-on-7035-vs-7037-airfoils/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/engines-and-motors/engine-design-notes-and-upgrades/notes-on-the-da150-crankshaft/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/robart-hinge-point-attachment/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/vacuum-bagging/composite-wing-layup/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/electric-conversions-and-upgrades/power-tools-really-do-fly/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/software/vacuum-bagging-layup-calculation-spreadsheet/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/carbon-fiber-hazards/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutter-plans-and-products/mrcss-hands-off-foam-wing-cutter-plans/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/slow-flier-enhancements/roswell-flyer-modifications/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/electric-conversions-and-upgrades/electrifying-an-easy-sport-arf/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/other/precision-wood-cutting/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/a-good-pinhole-filler/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/vacuum-bagging/sheeting-foam-wings-with-brown-paper-and-epoxy/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/slow-flier-enhancements/nora-slow-flyer-modifications/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/slow-flier-enhancements/fixing-slow-flyer-pinion-slippage/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/repair-tips/kyosho-t33-motor-servicing/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/sailplane-modifications/olympic-ii-hints-and-tips/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/rads-coupler-ideas/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/fuselage-and-tail/detachable-v-tails/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/other/zagi-thl-under-10oz/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/rads-mini-socket-construction/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutter-bows-and-power-supplies/foam-cutter-power-supply/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/wing-planform-and-structure/discussion-roll-control-stability/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/repair-tips/repairing-molded-wings/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/harley-michaelis-rads-linkage-design/</loc><lastmod>2024-04-08T22:52:47-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/working-with-fiberglass/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/foam-cutting-and-vacuum-bagging/foam-cutter-plans-and-products/delmar-brengmans-foam-cutter-plans/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/airfoils/don-ayers-highspeed-airfoils/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/epoxy-safety/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/instant-micro-servo-mounts/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/silicone-hinge-construction/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/control-systems/pinning-hinges-to-survive-aerobatics/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/general/simple-physics-and-dimensions-for-hi-starts/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/tail-design-and-structure/extended-discussion-on-design-of-vtails/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/fuselage-and-tail/instant-v-tail-alignment/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/fuselage-and-tail/how-to-make-lightweight-v-tails-2/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/fuselage-and-tail/how-to-make-lightweight-v-tails/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/fuselage-and-tail/nosecones-made-easier/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/general/scale-speed-for-small-aircraft/</loc><lastmod>2025-09-27T21:05:52-04:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/other/easy-epp-foam-routing/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/repair-tips/repairing-a-composite-hlg-wing/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/covering-and-finishing/light-covering-with-micafilm/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/construction-ideas/other/weights-of-common-materials/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/aircraft-design/airfoils/dr-seligs-comments-7035-7037-airfoils/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/articles/design-and-construction/kit-modifications/sailplane-modifications/paragon-airfoil-modification/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/1996/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/1997/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/1998/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/1999/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2000/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2001/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2002/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2003/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2004/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2005/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2006/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2007/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2008/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2009/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2010/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2011/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2012/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2013/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2014/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2015/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2016/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2017/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2018/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2019/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2020/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2021/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2022/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2023/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2024/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/2025/</loc><lastmod>2025-01-11T10:29:11-05:00</lastmod></url><url><loc>https://charlesriverrc.org/about-us/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/events/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/flying-sites/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url><url><loc>https://charlesriverrc.org/newsletters/</loc><lastmod>2024-01-28T23:21:18-05:00</lastmod></url></urlset>