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A water rocket is a type of model rocket using water as its reaction mass. The pressure vessel (the engine of the rocket) is constructed from thin plastic or other non metallic materials (usually a used plastic soft drink bottle) weighing 1,500 grams or less. The water is forced out by compressed air. It is an example of Newton's third law of motion.

My Hozelock / Gardena Launcher - 15mm Copper fittings

Discussion about Compressors, hose, pipes, fittings, launchers, release mechanisms, and launch tubes.
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mac_xpert
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Joined: Wed Nov 07, 2018 12:09 pm

My Hozelock / Gardena Launcher - 15mm Copper fittings

Post by mac_xpert » Tue Nov 13, 2018 6:02 am

For info and to help others with ideas, here is my launcher:
Launcher.jpg
Its made from some ply that i had laying around. I used 15mm copper pipe and compression fittings to 'plumb' it all together. It has a check valve (non return) to prevent water entering the air pump. It has a valve for filling / releasing pressure if needed.

Here is a picture of it pre launch:
Launcher_ready.jpg
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