We all sprayed deodorants in coke bottles with hole in the cap and ignite and watch it fly. But making it a light weight hybrid rocket can be almost just as easy. The thing didn't have a nozzle, it was just to test how will it ignite and behave.
coke bottle hybrid rocket engine
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jackssmirkingrevenge
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Needs to be pointed up and finned 
Worried about law enforcement or is there a chance you might actually make one fly in daylight?
Worried about law enforcement or is there a chance you might actually make one fly in daylight?
hectmarr wrote:You have to make many weapons, because this field is long and short life
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RamboNucke
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I'm noob in rockets, making something fly is easy, but making it fly in a certain direction is another story. It's night time because I was bored when it was dark already. I planned testing it in the kitchen, but I decided to use bigger bottle, more pressure and went outside.