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Old 02-14-2014, 10:55 AM   #9 (permalink)
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You're not putting energy into the wheel from the suspension when the wheel falls into a hole. Gravity accelerates it into the hole. You expend forward moment and power from the engine to pull it out. The suspension recovers energy from both strokes. Not a whole lot, but enough of a percentage (one hopes) to make it worth doing so.
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