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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
My questions to all the readers(not jer :) )
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[QUOTE="JTT, post: 69427, member: 19620"] Since we're all taking shots here, what the heck....here goes my theory... A spring is intended to store the energy of a bump and delay the release of this energy over a period of time. Imagine hitting a bump with a rigid frame, there is no delay, the energy is directly transferred to the seat. Preload provides ride height and supports the vehicle and rider. We are concerned with the rate of acceleration of the wheel as it is deflected by the bump. This rate is determined by angle of the bump face, height of bump and speed of the vehicle. The spring rate must be enough to absorb the energy of the bump, energy of wheel inertia and sufficiently delay the period of time for the energy to returned. If it is too stiff, too much of the energy will be transferred to the bike (and rider) too quickly (see: hardtail) . If it is too light, the acceleration of the wheel upward will create more energy than the spring can handle and the wheel will deflect too far (causing it to leave the ground). Using excessive damping to in an attempt to control this is not the way to go leading to a slow moving suspension incapable of handling smaller sharp edged bumps. My head hurts now...time for some mindless activity...maybe some real work :D ------------------ JTT No matter where you go...there you are [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
My questions to all the readers(not jer :) )
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