Posted: 11/28/2005 23:34 PM Post subject: 2" Piston
Brigadier General
Joined: 03 Sep 2005 Posts: 954 5042.87 Spud Bux
I was screwing around with my KNEX and i realized that the gray wheels fit perfectly in 2" pvc. I put a piece of 1.5" pvc between 2 KNEX wheels with a chunk of a rubber glove over one end and a few layers of duct tape. There are holes in the wheels that pistons need in the normal piston set-up.
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