https://peertube.dngr.us/videos/watch/de6ca5ae-5213-4bc1-9f32-bb91daf6f3c8 In this video I show how to make a super simple propane bottle launcher, especially good for demonstrations of the basic physics of rocketry. I've used this launcher myself for kid's science lessons with great success. Thanks to my Patreon supporters for keeping these videos possible! https://www.patreon.com/NightHawkProjects A special thanks to my top supporters on Patreon! TheBackyardScientist, Enzo Breda Lee & Thibaud Peverelli Sat, 13 Jun 2026 13:15:52 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.dngr.us https://peertube.dngr.us/lazy-static/avatars/41a6fee9-7f57-42d0-a5fc-5db4f1af2e31.png https://peertube.dngr.us/videos/watch/de6ca5ae-5213-4bc1-9f32-bb91daf6f3c8 All rights reserved, unless otherwise specified in the terms specified at https://peertube.dngr.us/about and potential licenses granted by each content's rightholder.