joints in applications where high articulation angles, or impulsive torque loads are common, such as the driveshafts and halfshafts of rugged four-wheel drive vehicles.

To be truly constant-velocity, Double Cardan joints require a centering element that will maintain equal angles between the driven and driving shafts. This centering device requires additional torque to accelerate the internals of the joint and does generate some additional vibration at higher speeds.

Tracta joints

The Tracta

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