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 !
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.
Yes as it control the dirctions of the rocket.
3
About 50 Degreise
Add guide fins to the body of the rocket.
Fins are used to help keep a rocket stable. The only way to find out if more fins will make it more stable is by testing it.
3 t05 fins
Angle the fins so it spins, like a screwdriver
plastic
plastic or paper
by water being placed into the bottle and then, when you launch your rocket, the rocket will spin (if it has at least 2 fins) and the water will spurt out and make the rocket go higher in the air. (Tip:the more it spins,the higher it will fly)