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TFA warned against using bottles other than soda because soda bottles are made to withstand a lot of pressure. Others may or may not. I don't imagine ANY plast
by bityard 2y ago
TFA warned against using bottles other than soda because soda bottles are made to withstand a lot of pressure. Others may or may not.
I don't imagine ANY plastic bottle survives too many lift-offs.
- PaulHoule 2y agoSee https://waterockets.com/ https://waterockets.com/ for commercial kits for making really fancy pressurized water rockets, even 3-stage rockets! You can get many many uses out of a bottle. In Larry Niven's Known Space books, rockets are launched from earth using some kind of super-compressed material encased in tanks made of some unobtanium, a vastly improved version of those water rockets.