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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.

Easy o-ring system for 22mm

Discussion about Compressors, hose, pipes, fittings, launchers, release mechanisms, and launch tubes.
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RaZias
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Easy o-ring system for 22mm

Post by RaZias » Sat Apr 21, 2012 1:10 pm

I am in france and I saw a farm product (at about 2.45 euros) where you stick a bottle on it.

Just look at product in the middle (connected to a cutted bottle)

http://www.iriso.fr/uk/

It has a circular rubber around a plastic but surely you could melt the center of the plastic to insert and glue a metalic tube to make it "pressure proof".

This is a simple solution to those who want to make a 22mm launcher but have problems to put and adjust an o-ring.

Surely there is a similiar product on "farm/garden related shops" in USA or any other place.

Here is the rubber being sold separately at 0.75 euros:

http://www.atoutloisir.com/capuchon-emb ... onpied.cfm


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U.S. Water Rockets1
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Re: Easy o-ring system for 22mm

Post by U.S. Water Rockets1 » Sat Apr 21, 2012 9:20 pm

RaZias wrote:I am in france and I saw a farm product (at about 2.45 euros) where you stick a bottle on it.

Just look at product in the middle (connected to a cutted bottle)

http://www.iriso.fr/uk/

It has a circular rubber around a plastic but surely you could melt the center of the plastic to insert and glue a metalic tube to make it "pressure proof".

This is a simple solution to those who want to make a 22mm launcher but have problems to put and adjust an o-ring.

Surely there is a similiar product on "farm/garden related shops" in USA or any other place.

Here is the rubber being sold separately at 0.75 euros:

http://www.atoutloisir.com/capuchon-emb ... onpied.cfm

That's a pretty cool idea. You could probably use a piece of threaded pipe that you heat with a stove or torch to melt threads into the inside of the plastic, which would work very well too!


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