What is the purpose of the fins on a rocket?


Updated: 3rd September 2018

Purpose of fins on a rocket. The purpose of putting fins on a rocket is to provide stability during flight, that is, to allow the rocket to maintain its orientation and intended flight path.

Similarly, you may ask, what is the purpose of a launch lug on a rocket?

Launch lug. Launch lugs are small cylinders attached to the sides of most model rockets, into which the launch rod is placed prior to a launch. They are generally made of either plastic or thin cardboard to minimize additional mass.

Why is a rocket shaped the way it is?

At super sonic speeds, a conical shaped cone is more preferable because it punches through the atmosphere. But at subsonic speeds, a domed shape is more preferable because it causes less drag. It causes less drag because it has less surface area.
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