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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Understanding....rebound
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[QUOTE="will pattison, post: 24539, member: 19283"] throttle off, i bounce into the weeds. throttle on, i track true to the trophy. i don't buy it. rick johnson (the suspension guy) started this theory- as far as i know- and it's stuck, but a free body diagram and application forces and moments at the right places just don't support the theory. i would agree that weight transfer will cause a greater degree of squat, but i have a tough time with the idea that chain torque makes the bike stand up. the bottom line is that when the bike is under acceleration, there is negligible tension on the bottom "side" of the chain. if you locked your back wheel up and tied a string to the top of the rear sprocket, then pulled on it from about the location of the countershaft, what would happen? now, just to be safe, i AM willing to be proven wrong, but i ain't giving it much odds. ------------------ will pattison engineer, racer ignition www.ignitioninc.com [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Understanding....rebound
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