JV, I'm not so sure they are all flat. Regardless of the shape of the "piston" sooner or later you run into the inherent limits of the rubber, a very steep rising rate. From static I get about 5/8--3/4 inch "bump" travel out of the cans and it takes a pretty big bump to get that. Cans have almost flat pistons and the rubbers are sideways, kinda like dropping a coin into a slot. Jay Novak was going to post some info on rubber compounds he tested but I guess he never got around to it. I hesitate to even reply to this because it might bring up the issue again. Dave Phaneuf ________________________________ FormulaCar Magazine - A Proud Supporter of Formula 500 The Official Publication of Junior Formula Car Racing Subscribe Today! www.formulacarmag.com or 519-624-2003 _________________________________
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