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"GKN Driveline (Redditch, UK; www.gkndriveline.com) has two new technologies for the constant velocity joints (CVJs) that significantly reduce weight, NVH levels, size, and improve efficiency. &amp;ldquo;We&amp;rsquo;ve thrown out the rulebook for constant velocity joint design,&amp;rdquo; says Al Deane, global engineering manager, GKN Driveline Driveshafts, &amp;ldquo;because the generic limits of the Rzeppa joint currently in use have been reached while our customers continue to ask for more torque capacity in a smaller package.&amp;rdquo; The new designs lean heavily on GKN&amp;rsquo;s in-house forging and machining capabilities to produce both the S-shaped and radial offset tracks used on its Countertrack CVJ and the combination of angled and straight tracks found on its Crosstrack ball plunging CVJs.&amp;nbsp;COUNTERTRACKCountertrack CVJ designs are used on the fixed joints of all propshafts, and on the wheel-end CVJ of front sideshafts of FWD, AWD and 4x4 vehicles."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.autofieldguide.com/articles/rethinking-constant-velocity-joints>