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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Understanding....rebound
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[QUOTE="Casper250, post: 24545, member: 20922"] Let me take a crack at this. Some one before mentioned about the center of the rear axel being above the pivot point on the frame most of the time but when this is happening, the top of the rear sprocket is also above this pivot point. When this is true, the chain is at a diagonal sloping down from the top of the rear sprocket to the top of the motor sprocket. If you concider this as the angle of the force(ie the chain) and that this force is a vector, since it has a value and a direction, then it can be broken down into it's vertical and horizontal components. The horizontal component is a force in the direction from the rear axel to the motor. The vertical component is then from the top of the sprocket to the horizontal plane of the motor sprocket in the downward direction and is therefore pushing the wheel down. ------------------ faster till the fear of death is outweighed by the thrill of speed... http://members.tripod.com/casper_12300/ [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Understanding....rebound
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