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AuthorTopic
oldcorollas
Forums Junkie


Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
 
Re: Double clutching? Sun, 14 August 2005 05:33 Go to previous messageGo to previous message
sigh...

double clutching is primarily used for heavy gearboxes where the inertia of the components would otherwise prevent the next gear from being selected without major wear.
think of it is 3 parts,
engine
gearbox layshaft
gearbox output gears.

the output gears are going at road speed, the engine is at engine speed.
when you take it out of gear, with clutch in, the layshaft slows down. if it is heavy or synchros are not there/not up to the job, you can't use friction to get the layshaft spinning again.. this is why you release clutch while not in gear.. to speed up the layshaft again. then after the next clutch in, you can rev match between the layshaft and the output gears... then when you clutch out, you rev match engine with layshaft...

thats it....

and without a MoTec or a dogbox, i think flatchanging is basically clutch kicking.... and it is bad for gearbox.. especially K series 2nd gear layshaft teeth.... repeatedly....
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SubjectPosterDate
Read Message   Double clutching? #Fiend#Sat, 13 August 2005 11:50
Read Message   Re: Double clutching? CrUZsidaSat, 13 August 2005 12:04
Read Message   Re: Double clutching? Cool1Sat, 13 August 2005 12:26
Read Message   Re: Double clutching? Corona RT142Sat, 13 August 2005 13:03
Read Message   Re: Double clutching? kingmickSat, 13 August 2005 13:52
Read Message   Re: Double clutching? verbatim210Sat, 13 August 2005 14:31
Read Message   Re: Double clutching? justcallmefrankSat, 13 August 2005 14:40
Read Message   Re: Double clutching? mithySat, 13 August 2005 15:14
Read Message   Re: Double clutching? verbatim210Sat, 13 August 2005 23:07
Read Message   Re: Double clutching? 79rollaboySun, 14 August 2005 01:05
Read Message   Re: Double clutching? xolentSat, 13 August 2005 15:28
Read Message   Re: Double clutching? dizzySat, 13 August 2005 15:49
Read Message   Re: Double clutching? TougeVitzSat, 13 August 2005 16:04
Read Message   Re: Double clutching? mc68Mon, 15 August 2005 23:29
Read Message   Re: Double clutching? cannonballTue, 16 August 2005 04:32
Read Message   Re: Double clutching? SIMDOGSat, 13 August 2005 16:11
Read Message   Re: Double clutching? riverSat, 13 August 2005 22:01
Read Message   Re: Double clutching? EvanSun, 14 August 2005 03:20
Read Message   Re: Double clutching? Corona RT142Sun, 14 August 2005 01:08
Read Message   Re: Double clutching? 79rollaboySun, 14 August 2005 01:23
Read Message   Re: Double clutching? jackelSun, 14 August 2005 03:05
Read Message   Re: Double clutching? kingmickSun, 14 August 2005 01:35
Read Message   Re: Double clutching? finneySun, 14 August 2005 01:39
Read Message   Re: Double clutching? white86Sun, 14 August 2005 03:55
Read Message   Re: Double clutching? bubblesSun, 14 August 2005 04:12
Read Message   Re: Double clutching? 86DRFTTue, 16 August 2005 06:15
Read Message   Re: Double clutching? white86Sun, 14 August 2005 04:14
Read Message   Re: Double clutching? bubblesSun, 14 August 2005 05:34
Read Message   Re: Double clutching? oldcorollasSun, 14 August 2005 05:55
Read Message   Re: Double clutching? Dorio86Sun, 14 August 2005 06:17
Read Message   Re: Double clutching? feral4mr2Sun, 14 August 2005 08:27
Read Message   Re: Double clutching? mithySun, 14 August 2005 05:06
Read Message   Re: Double clutching? white86Sun, 14 August 2005 05:20
Read Message   Re: Double clutching?  oldcorollasSun, 14 August 2005 05:33
Read Message   Re: Double clutching? Rona_DrifterSun, 14 August 2005 11:12
Read Message   Re: Double clutching? kingmickSun, 14 August 2005 08:08
Read Message   Re: Double clutching? unforgivenSun, 14 August 2005 08:13
Read Message   Re: Double clutching? ae86driftSun, 14 August 2005 08:38
Read Message   Re: Double clutching? ArchSun, 14 August 2005 10:53
Read Message   Re: Double clutching? KOPDISSun, 14 August 2005 11:29
Read Message   Re: Double clutching? #Fiend#Sun, 14 August 2005 12:18
Read Message   Re: Double clutching? Corona RT142Sun, 14 August 2005 23:03
Read Message   Re: Double clutching? Rona_DrifterMon, 15 August 2005 11:50
Read Message   Re: Double clutching? trickySun, 14 August 2005 13:49
Read Message   Re: Double clutching? ShrakaMon, 15 August 2005 12:06
Read Message   Re: Double clutching? jesseT18Mon, 15 August 2005 12:20
Read Message   Re: Double clutching? kingmickMon, 15 August 2005 23:15
Read Message   Re: Double clutching? Blown86Mon, 15 August 2005 15:03
Read Message   Re: Double clutching? MookieTue, 16 August 2005 02:07
Read Message   Re: Double clutching? rthyTue, 16 August 2005 02:24
Read Message   Re: Double clutching? EvilJackTue, 16 August 2005 04:46
Read Message   Re: Double clutching? Smokey228Tue, 16 August 2005 04:11
Read Message   Re: Double clutching? ke382TGTue, 16 August 2005 04:16
Read Message   Re: Double clutching? Corona RT142Tue, 16 August 2005 04:34
Read Message   Re: Double clutching? cannonballTue, 16 August 2005 04:38
Read Message   Re: Double clutching? Corona RT142Tue, 16 August 2005 04:40
Read Message   Re: Double clutching? cannonballTue, 16 August 2005 04:44
Read Message   Re: Double clutching? MerudoTue, 16 August 2005 05:22
Read Message   Re: Double clutching? MerudoTue, 16 August 2005 06:18
Read Message   Re: Double clutching? 86DRFTTue, 16 August 2005 07:37
Read Message   Re: Double clutching? mc68Tue, 16 August 2005 15:48
Read Message   Re: Double clutching? cannonballTue, 16 August 2005 23:07
Read Message   Re: Double clutching? Corona RT142Tue, 16 August 2005 06:18
Read Message   Re: Double clutching? 86DRFTTue, 16 August 2005 07:21
Read Message   Re: Double clutching? ShrakaTue, 16 August 2005 07:45
Read Message   Re: Double clutching? cannonballTue, 16 August 2005 06:28
Read Message   Re: Double clutching? kingmickTue, 16 August 2005 08:38
Read Message   Re: Double clutching? trickySat, 20 August 2005 08:59
Read Message   Re: Double clutching? mc68Tue, 16 August 2005 23:14
Read Message   Re: Double clutching? Corona RT142Tue, 16 August 2005 23:17
Read Message   Re: Double clutching? cannonballTue, 16 August 2005 23:35
Read Message   Re: Double clutching? Corona RT142Tue, 16 August 2005 23:40
Read Message   Re: Double clutching? #Fiend#Wed, 17 August 2005 11:07
Read Message   Re: Double clutching? RWDboyWed, 17 August 2005 22:43
Read Message   Re: Double clutching? Siktoy ra23Fri, 19 August 2005 09:53
Read Message   Re: Double clutching? trickySat, 20 August 2005 08:53
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