Subject	I'm aware of the design intent of the twin disk clutch
Posted by	aliaZ on March 24, 2010 at 12:38 PM
	This message has been viewed 114 times.
In Reply To	No problem with my twin disk on the syncros posted by sparkie on March 24, 2010 at 10:12 AM
Message	diameter is not the only factor to consider in calculating moment of inertia. perhaps I should have said "twin disk clutches *may* be harder on your syncros" IIRC, RPS had issues with excessive moment of inertia, which prompted a redesign. Perhaps Greg D can confirm. The Nismo Twin Disk definitely has excessive moment of inertia from my experience on the track I'm glad your mueller twin disk works well for you. Have you ever tracked it (on a road course?)
Follow Ups	Looking for feedback on Z1's twin disk clutch - sak01 20:38:44 03/23/10 a twin disk will be harder on your syncros - aliaZ 22:03:48 03/23/10 Is that due to the higher moment of inertia? - CaliguyPurdue (Selin Design) 22:39:24 03/23/10 yep - aliaZ 22:54:28 03/23/10 I have the RPS carbon/carbon twin on my Z - moxie (SF) 22:50:13 03/23/10 IIRC, the earlier RPS carbon/carbon clutches - aliaZ 22:56:26 03/23/10 ah snap. I have the early version. - moxie (SF) 23:00:56 03/23/10 dunno...you might contact Greg to be sure - aliaZ 23:09:00 03/23/10 Would rev matching remedy this? (n/m) - CaliguyPurdue (Selin Design) 02:18:09 03/24/10 rev match an upshift?? (n/m) - sfarrah 14:40:53 03/24/10 The Racelogic speedshift allows for this - CaliguyPurdue (Selin Design) 18:37:20 03/24/10 No problem with my twin disk on the syncros - sparkie 10:12:20 03/24/10 I'm aware of the design intent of the twin disk clutch - aliaZ 12:38:36 03/24/10 I=m*R^2 - sparkie 02:13:06 03/25/10 the weight of the flywheel, clutch cover, and any other - aliaZ 09:33:58 03/25/10 They are all part of the rotational mass - sparkie 10:54:28 03/25/10 not really - aliaZ 12:57:40 03/25/10 Re: not really - sparkie 15:18:53 03/25/10 sigh - aliaZ 16:34:02 03/25/10 You can rev the engine with clutch disengaged - sparkie 11:01:40 03/25/10 Re: You can rev the engine with clutch disengaged - aliaZ 13:03:44 03/25/10 on second thought, Z1's clutch will probably be fine - aliaZ 09:47:30 03/25/10 Feedback I received identified it as a Exedy clutch. - sak01 10:49:04 03/25/10 the exedy clutches on Z1's site are much larger diameter - aliaZ 13:05:15 03/25/10 The feedback I received was incorrect. - sak01 13:58:17 03/25/10 that is what I figured. - aliaZ 14:34:26 03/25/10 The Z1 twin disk is a great clutch, and cheap too. - Wingzerro93 16:25:24 03/24/10
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