Rocketry Basics Rocket Anatomy 101

By Mark Newton Most rockets are composed of sections or parts, carefully chosen and arranged to cre-ate a flight-worthy vessel. Understanding the name and purpose of each part is one of the first steps into the hobby of model Rocketry . Let s examine these and how they contribute to the flight of a Rocket . Nose ConeThe nose cone is usually the part that first interacts with the air in flight. The nose cone parts the air as the Rocket moves through the atmosphere. Pushing the air out of the rock-et s way creates friction. The friction pushes the nose cone downward, transferring the air s force to the airframe. The Rocket s pas-sage through the air creates heat of friction; for most model rockets, this heat is trivial, be-cause it lasts only for a few seconds. However, for a slender high-powered Rocket that flies several miles high at twice the speed of sound, the heat of friction can melt the paint off the nose cone.

the-wall fins; they gain strength by being glued both to the motor tube and to the airframe. There are many other techniques to strength-en fin attachment that you will find as you progress in the hobby. No matter the tech-nique, the goal is to keep the fins attached to the rocket through-out the flight. Motor Tube

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