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Toymods » Tech & Conversions » Full-face clutch [cf.] Puck clutch

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RobertoX
Regular


Location:
Adelaide
Registered:
May 2002
Re: Full-face clutch [cf.] Puck clutch Wed, 24 August 2005 22:24 Go to previous messageGo to previous message
mrshin... your argument is slightly flawed.

Quote:


force = pressure x area

less area (only small bits of friction surface) with the same pressure (from the pressure plate) = more force


I think you'll find that if you reduce the area in this equation you will also reduce the force (for a fixed pressure)


What actually happens is that the pressure plate spring exerts a fixed force, so if the area of the clutch decreases then the pressure on the clutch surface will increase.

From a basic physics point of view, it should not matter what the area of the friction area is (frictional force is dependant on normal force (ie the force exerted by the pressure plate) and the coefficent of friction. This is due to things like interlocking the micro surface irregularities and that sort of thing.
But in reality different materials exhibit different coefficents of friction under different pressure (Tyres are a perfec example of this, besides their adhesive effect, this is one of the many reasons why wider tires grip better but I think that is another thread Smile )

Also the geometry of the clutch arrangement could come into effect, With a 3 puck clutch the pressure is more likely to be spread more evenly across the surface of the clutch. (think of a tripod resting on an uneven surface as opposed to a hoola-hoop). I'm not too sure on this argument effecting clutch operation though....


[Updated on: Wed, 24 August 2005 22:25]

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SubjectPosterDate
Read Message   Full-face clutch [cf.] Puck clutch September_SquallWed, 24 August 2005 14:07
Read Message   Re: Full-face clutch [cf.] Puck clutch mrshinWed, 24 August 2005 14:51
Read Message   Re: Full-face clutch [cf.] Puck clutch September_SquallWed, 24 August 2005 16:35
Read Message   Re: Full-face clutch [cf.] Puck clutch  RobertoXWed, 24 August 2005 22:24
Read Message   Re: Full-face clutch [cf.] Puck clutch MR 1JZWed, 24 August 2005 23:26
Read Message   Re: Full-face clutch [cf.] Puck clutch SkipWed, 24 August 2005 23:49
Read Message   Re: Full-face clutch [cf.] Puck clutch RobertoXWed, 24 August 2005 23:57
Read Message   Re: Full-face clutch [cf.] Puck clutch IcemanMon, 29 August 2005 01:10
Read Message   Re: Full-face clutch [cf.] Puck clutch RobertoXMon, 29 August 2005 02:34
Read Message   Re: Full-face clutch [cf.] Puck clutch SkipThu, 25 August 2005 00:13
Read Message   Re: Full-face clutch [cf.] Puck clutch RobertoXThu, 25 August 2005 00:25
Read Message   Re: Full-face clutch [cf.] Puck clutch MR 1JZThu, 25 August 2005 00:33
Read Message   Re: Full-face clutch [cf.] Puck clutch 4agteThu, 25 August 2005 01:21
Read Message   Re: Full-face clutch [cf.] Puck clutch KyoshoThu, 25 August 2005 02:05
Read Message   Re: Full-face clutch [cf.] Puck clutch MR 1JZThu, 25 August 2005 02:12
Read Message   Re: Full-face clutch [cf.] Puck clutch 4agteThu, 25 August 2005 23:33
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