A rocket which achieves maximize distance and also looks good. Be very careful. Do not attach any sharp objects to the bottle. Do not compromise the integrity of the bottle.
All materials used are subject to final approval by an instructor.
The bottle must contain at least some amount of water. Do not pressurize the bottle to greater than 80 psig. You are allowed to launch your rocket as many times as you like during the first 45 minutes. When launching the rocket, an instructor must give you the go ahead. After 45 minutes, all rocket modifications must be complete.