Basic Minigun Barrel Drive

Why a separate thread for this?
Because these few informative shots would be otherwise buried in another topic.
At least ten mails a day, how DOES this work?
Here's how the barrels on the Killbucket Miniguns all get their motion:


The Horror, the horror. At least the bits I'm not using are recyclable.


The clutch housings are removed, but the springs and pressure plates are retained.


A completed drive, one of two for this project.


Drives installed.

https://www.youtube.com/watch?v=g9TFsivxzMc
A 2" O-Ring serves as a drive belt.

MURDER.

Redrum! Redrum!!!

red rum, Sure!

hahaha I'm on fire

seems simpler than it looks too.