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because they don't need anymore than three fins to keep them on straight course
Fredrick Jerde
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∙ 12y agogf
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How many fins should a water rocket have?
A water rocket should probably have three to four fins.
What is the best fins for the bottle rocket?
the best fins for a bottle rocket is having four fins located at the bottom of your bottle rocket the shape of long triangles ! ! ! :) hope it helps !
Why should you choose to put four fins on a pop bottle rocket?
3 are sufficient. Adding more will just create atmospheric drag and slow the rocket down.
How do you make a straw rocket go farther?
you put fins on the rockets
Why do you use fins and cone for a bottle rocket?
You use fins and a nose cone on a bottle rocket because the cone reduces the drag on the rocket, and the fins help stabilize the rocket.
What do rocket fins do on a rocket?
the fin keeps the rocket stable while the rocket flys.hope that helps! POKECARP out
How do fins on a straw rocket affect it's flight?
Fins on a rocket affects its flight by the way they are built on the rocket
What is a disadvantage of having 4 fins on a rocket?
Wat is the disadvantage to having 4 fins on a rocket.?
What are rocket fins?
Fins are small aerodynamic wings attached to the rear of the rocket. These are to give guidance and stop it from spinning.
Why do water rockets need fins?
Water rockets need fins because the rocket needs to stay in balance....without fins on a water rocket, the water rocket would be going out of control because it is not in balance!
What do the call the wings of the rocket?
Fins.
What stabilizes a rocket?
It's fins
