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How did you guys put your ball+parachute on/in the rocket in a way that it opens up and doesn't fall off? Thanks!

Hey guys! I'm new to indoor bottle rockets, can anyone give me some tips on controlling the height of the rocket? Thanks!

Does anyone have the division C rules for indoor bottle rockets (2017 for Nats)? Thanks.

Does anyone know the best ball to use (size or type), the ball I am using can only get me about 29-30cm of gaps. With this distance do you think that placing is possible in the New York/Pennsylvania area tournaments? Max score overall possible is about 240. It would have placed about 3rd to 5th in ...

My partner and I close to finish building a design that will have up to 80-90cm in gap distances, has anyone seen one with anything more than this or do you think we'll be good for most tournaments i,e. Cornell, NY States, etc. Although this does have consistency issues. (I edited this after i had ...