Rotary Engine Illustrated

Clutches

Pineapple Racing generally recommends a good quality sprung hub, solid marcel, full-face, organic clutch for most street applications. Full face clutches provide a nice, smooth engagement, but are limited in the amount of torque they can handle. It is preferable to upgrade to a heavier pressure plate before considering the switch to a puck-type clutch. Sprung hub clutches are much easier on the driveline components. Marcels (the substrate that holds the clutch lining) are typically a springy metal, but solid ones are available, which allow for faster engagement and disengagement. The quick disengagment, in particular, is better on the transmission synchros. Puck-type clutches are best reserved for very high power applications. Still, a sprung hub is recommended for any street driven puck clutch due to the absorption of shock otherwise imparted to the driveline components. Also, except in the most extreme racing applications, we do not recommend any metalic-faced clutches due to the extreme wear they cause to the flywheel.
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