Helical gears are used for quiet operation.ĭifferential design reduces scuffing of the turf during turns because the inside wheels turn slower than the outside wheels (vehicles that have a solid axle shaft must skid the inside wheel when making a turn). The transaxle is fully enclosed and runs in oil for reliability. The driven clutch is designed to sense varying loads (inclines, mud, etc.) and constantly adjusts the drive speed upward or downward, so the engine rpm remains constant at constant throttle position.With the belt running in the smallest diameter of the driven clutch, the speed being transferred to the transaxle is increased.As the drive clutch closes, the belt rides up to the largest diameter of the drive clutch and forces open the driven clutch. As the engine speed increases, the spring-loaded drive clutch is closed by weights being forced out by centrifugal force.
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