Subject	I=m*R^2
Posted by	sparkie on March 25, 2010 at 2:13 AM
	This message has been viewed 72 times.
In Reply To	I'm aware of the design intent of the twin disk clutch posted by aliaZ on March 24, 2010 at 12:38 PM
Message	twin disk clutches have much smaller moment of inertia comparing to single disk since the mass is lower (smaller disks, smaller pressure plate and smaller aluminum cover). Plus multi-disk clutches come with lightweight flywheel. My redhat clutch/fw is about 1/2 of the weight of a single disk/oem fw. The RH clutch is about 1/2 of the size of a single disk. I(RH) = m * R^2. My RH has about 1/8 of moment of inertia of a single disk/oem fw combo. www.ztechz.net ICQ # 14337317
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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