Anti-Squat Force Transmission

Question

I’m trying to understand how anti-squat works in motorcycles and how the geometry plays a major role.

I don’t understand, however, the reason why the force from the tires that is transmitted to the chassis of the bike via the swing arm is always along the axis/centre line of the swing arm and not parallel to the ground.

h_uat · Answer

Because you have bearings at each end of the swing arm which can only take over radial or axial forces and no torques in z-direction. Therefore, you can only push or pull the swing arm and the force transmitted has to be in the same direction (in order to not create torque). The remaining forces have to be taken over by the dampers.

Answered by h_uat on September 17, 2020

Anti-Squat Force Transmission

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