Quote:
Originally Posted by CADplans
Maybe I do not have as much surface area, but, my aluminum disc brake pads do not seem grabby at all,,,,
The ONLY difference I have noticed is I need to adjust them far less frequently.
I have only adjusted them twice in 2-3 years, normally on my blade dedicated tractor, the way I use it,
the brakes would need adjusted every three times I take it out......
Have you personally used one?? Is the clutch being grabby due to the high pressure of the clutch spring? 
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A brake works similar to a clutch.... but not in application. Engines spin waaaayyyy faster than a wheel. Anytime you get two materials that hard on a clutch they grab. Even a ceramic or kevlar clutch is touchier than a woven fiber disk. For smooth engagement, they need to slip. No slip= "grabby". Like Don said, hard on drivelines.