Also, the rocket will work better if you take off the plastic ring around the tip of the pop bottle. Rounded nose cones work better because it propels the wind to the sides of the rocket so it flies more smoothly. Cold weather has a negative effect on the flight because of the fact it is denser, but if you fly it in humid weather it would fly much higher. The 3 most important things for the rocket to fly high are weight, thrust and drag. After researching i found that if you cut a hole in the nose cone for a ping pong ball, bouncy ball or anything else like that it will help the flight go much smoother because of the more weight on the top.
Also, the rocket will work better if you take off the plastic ring around the tip of the pop bottle. Rounded nose cones work better because it propels the wind to the sides of the rocket so it flies more smoothly. Cold weather has a negative effect on the flight because of the fact it is denser, but if you fly it in humid weather it would fly much higher. The 3 most important things for the rocket to fly high are weight, thrust and drag. After researching i found that if you cut a hole in the nose cone for a ping pong ball, bouncy ball or anything else like that it will help the flight go much smoother because of the more weight on the top.
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