PayloadBay.com - Motor Tube

Motor Tube

A rocket's motor tube is the main part of its motor mount. The rocket motor slides into the motor tube and is held in place using friction, an engine clip, masking tape, or a form of positive motor retention.

References:

"Akavish" - the Spider Rocket (Article)
"Heavy Metal Thunder" Build (Article)
How to Fit a 54mm Motor into a 38mm Motor Mount (Article)
2008 Florida Winternationals (Article)
Broken Arrow Build (Article)
Tikva: A New Hope (Article)
Akavish (Miscellaneous)
Toy Biz, Inc. (Miscellaneous)