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Rocket Parts

  2026-06-03

  Edited: 2026-06-03

Main Definitions

This is just going to be a garble of information

nose cone
self explanatory, the pointy thing in front of the rocket
payload bay
this stores what you want to carry and is generally made up of a shorter body tube, tube coupler, a bulkhead which closes the bottom of the coupler, and an eyebolt for the parachute
airframe
another name for the main body tube (this is the longer tube)
motor mount tube
these are smaller diameter tubes which sits in the center of your body tubes and holds your motor

Payload

The payload bay was kind of confusing, but it generally is like this, from top top to bottom

  1. nose cone: you know this
  2. payload body tube: just a shorter tube, same diameter as airframe
  3. payload: can be anything, like an electronics bay or an egg even
  4. tube coupler: a short tube with a diameter slightly smaller than the airframe
  5. bulkhead: closes the bottom of the coupler

The purpose of the tube coupler is to connect the payload tube to the airframe tube.

More Definitions

Now we get to auxillary smaller parts of the rockets

motor retainer
anything which keeps the motor from falling out, search online or take a look at LOC's Aero Pack
centering rings
these are circular wood (or any material) donut-shaped which center the motor mount tube within the body tube
fins
you probably don't need a definition for this
launch lug
basically a rod like attachment to your rocket to allow it to be launched from a launch rod
rail buttons
similar to launch lug, these are small buttons which allows your rocket to be launched from a rail
parachute
the thing that saves your rocket from a gruesome fate of falling to its demise
nylon shock cord
attaches between the eyebolt of the bulkhead to the eyebolt on the topmost centering ring of your rocket, the parachute is also attached to this
recovery blanket
a small sheet of fabric to protect the parachute and shock cord from the ejection charge
shock cord sleeve
protects the shock cord from the ejection charge (optional but recommended)
quick links
connects the shock cord to the eyebolts

The ejection charge is a force directly towards the nose cone emitted by the motor for the purpose of popping the nose cone portions off and deploying the parachute.