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Chug · 04-21-2003, 09:32 AM

Have you guys ever built a water rocket using a 2L bottle?
well, i built a water rocket with a 2L bottle and a bicycle pump and it works fine. But the rocket can only take in 2-3 bars of pressure before popping off the cork flying off at about a 2 storey high. Now the thing is, 2L bottles can take up to 6 bars of pressure. If i can just get the pressure up a few more bars, i am sure my rocket can fly higher.

WEll, my problem is that I need to get a mouth piece of the bottle so it will be strong enough to contain the pressure in the bottle, as well as letting me release the mouth piece.

Can anyone give me some advice on how i can get the mouth piece or make one?

Thanks.

04-21-2003, 09:32 AM	#1 (permalink)
Chug Upright Location: Toronto	Water Rocket Have you guys ever built a water rocket using a 2L bottle? well, i built a water rocket with a 2L bottle and a bicycle pump and it works fine. But the rocket can only take in 2-3 bars of pressure before popping off the cork flying off at about a 2 storey high. Now the thing is, 2L bottles can take up to 6 bars of pressure. If i can just get the pressure up a few more bars, i am sure my rocket can fly higher. WEll, my problem is that I need to get a mouth piece of the bottle so it will be strong enough to contain the pressure in the bottle, as well as letting me release the mouth piece. Can anyone give me some advice on how i can get the mouth piece or make one? Thanks.