تماشای ویدئو Part 5 How to Build a High Power Rocket BATES Grains Rocket Motor Assembly از آی-ویدئو

Part 5 of the Terrestrial Escape Rocket Project. (4) BATES Grains - 1.25 X 2.0" 3/8" Core 5/16" Nozzle Throat Diameter Flexi-Fuel Delay Grain Bulkhead (rocketmanbkk)
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