Placeholder for the future
Joined: Sep 2005
Posts: 34,381
Total Cats: 7,504
From: Chicago. (The less-murder part.)
Ok I'm apologizing right now for this. But a guy I knew always joked about rotary's as being a wobbly triangle or a dorito. So I searched Doritos on google and got this:

You could apply it to Piston / Rotary. Same concept.

You could apply it to Piston / Rotary. Same concept.










