Are we allowed to use old hard drives as counterweights to stabilise our robot?

[EricH]

Originally Posted by Mongai

It should not be a problem. While there ARE hard drive motors inside each hard drive, to my understanding of your post none of them are hooked up. R18 applies to hooked up motors.

R18 The only motors and actuators permitted on 2015 FRC ROBOTS include the following: [table of legal motors omitted for clarity]

Emphasis mine.

Would you mind explaining how you get R18 applying only to hooked up motors from that text, particularly given the bold portions? As an inspector, I'd be quite interested to know that.