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Water rocket plastic fusing Answered

Hi, I'm a senior in a physics class.  We're currently building and launching water bottle rockets.  Our teacher told us of people that had tried to put two bottles together to increase the pressure they could build up, but said that they had failed because the pressure would leak from the point where they were joined.  Does anybody have ideas on how to make a water-tight double bottle rocket?  I had the idea to fuse the plastic together using heat, but I'm not sure how well this would work.

This is my first post, so I'm hoping this is the right section to post in.  Thank you for any help and comments you could offer.

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Kiteman

7 years ago

There are a few suitable projects already published (click here) - have a browse, see what takes your fancy.