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Sam
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Location:
Sydney, Australia
Registered:
May 2002
   
Re: Manual VS Auto? Thu, 05 September 2002 04:51 Go to previous messageGo to previous message
GIN51E wrote on Thu, 05 September 2002 14:23

ok so say i'm driving along at 3,500rpm in 4th, slip it into neutral and when the revs drop to 2,800rpm slip it into 3rd?


sort of, but in reverse... If you were going from 4th to 3rd, then you'd have to rev the engine to bring the revs up..

The speed at which you drop it in is not constant... it depends on the road speed of the car. For example, check this graph out:

http://www.insightcentral.net/ratios.jpg

You can see for every gear ratio, for a certain road speed there is a matching RPM... (this is for some hybrid engined car, yours is probably different due to different ratios..).

So according to this graph, if you were doing 3000rpm in 3rd gear your road speed would be approx 100kmh. Then if you put it in neutral, to go to 4th gear (assuming the car remains at 100kmh) you would wait until the revs drop to 2500rpm. If you wanted to go back to second, you would have to rev the engine to 5000rpm (ie - follow the 100kmh line across). Of course in practice the car will start to slow down in neutral, so you have to adjust the revs accordingly.

It sounds complicated but it's more a seat of the pants thing Smile
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SubjectPosterDate
Read Message   Manual VS Auto? viagra_cressidaWed, 04 September 2002 08:48
Read Message   Re: Manual VS Auto? GIN51EWed, 04 September 2002 08:55
Read Message   Re: Manual VS Auto? viagra_cressidaWed, 04 September 2002 09:06
Read Message   Re: Manual VS Auto? manipulateWed, 04 September 2002 09:12
Read Message   Re: Manual VS Auto? BigWormWed, 04 September 2002 09:46
Read Message   Re: Manual VS Auto? Wed, 04 September 2002 10:32
Read Message   Re: Manual VS Auto? GIN51EWed, 04 September 2002 10:41
Read Message   Re: Manual VS Auto? viagra_cressidaWed, 04 September 2002 11:42
Read Message   Re: Manual VS Auto? viagra_cressidaWed, 04 September 2002 11:45
Read Message   Re: Manual VS Auto? Rolla BoyWed, 04 September 2002 10:37
Read Message   Re: Manual VS Auto? manipulateWed, 04 September 2002 10:47
Read Message   Re: Manual VS Auto? GIN51EWed, 04 September 2002 11:01
Read Message   Re: Manual VS Auto? dravenWed, 04 September 2002 11:55
Read Message   Re: Manual VS Auto? GIN51EWed, 04 September 2002 21:59
Read Message   Re: Manual VS Auto? RedrollaWed, 11 September 2002 06:26
Read Message   Re: Manual VS Auto? SamThu, 05 September 2002 03:53
Read Message   Re: Manual VS Auto? dravenWed, 04 September 2002 11:58
Read Message   Re: Manual VS Auto? mx83toyWed, 04 September 2002 12:37
Read Message   Re: Manual VS Auto? stroberWed, 04 September 2002 12:48
Read Message   Re: Manual VS Auto? mx83toyWed, 04 September 2002 12:55
Read Message   Re: Manual VS Auto? BigWormWed, 04 September 2002 14:07
Read Message   Re: Manual VS Auto? TCHOONWed, 04 September 2002 14:31
Read Message   Re: Manual VS Auto? HooNWed, 04 September 2002 17:07
Read Message   Re: Manual VS Auto? 82coronaWed, 04 September 2002 20:02
Read Message   Re: Manual VS Auto? MaliciaThu, 05 September 2002 03:29
Read Message   Re: Manual VS Auto? dylusionThu, 05 September 2002 03:59
Read Message   Re: Manual VS Auto? GIN51EThu, 05 September 2002 04:03
Read Message   Re: Manual VS Auto? SamThu, 05 September 2002 04:15
Read Message   Re: Manual VS Auto? GIN51EThu, 05 September 2002 04:23
Read Message   Re: Manual VS Auto?  SamThu, 05 September 2002 04:51
Read Message   Re: Manual VS Auto? dylusionThu, 05 September 2002 05:52
Read Message   Re: Manual VS Auto? GIN51EThu, 05 September 2002 05:58
Read Message   Re: Manual VS Auto? justcallmefrankThu, 05 September 2002 11:04
Read Message   Re: Manual VS Auto? dravenThu, 05 September 2002 11:14
Read Message   Re: Manual VS Auto? HooNThu, 05 September 2002 17:04
Read Message   Re: Manual VS Auto? GIN51EThu, 05 September 2002 22:05
Read Message   Re: Manual VS Auto? Toby AE82 TwinFri, 06 September 2002 03:47
Read Message   Re: Manual VS Auto? GIN51EFri, 06 September 2002 07:41
Read Message   Re: Manual VS Auto? TCHOONFri, 06 September 2002 10:45
Read Message   Re: Manual VS Auto? old_mr2Fri, 06 September 2002 11:43
Read Message   Re: Manual VS Auto? GIN51EFri, 06 September 2002 13:35
Read Message   Re: Manual VS Auto? viagra_cressidaMon, 09 September 2002 14:10
Read Message   Re: Manual VS Auto? Z1SoarerTue, 10 September 2002 08:57
Read Message   Re: Manual VS Auto? Wed, 11 September 2002 05:28
Read Message   Re: Manual VS Auto? viagra_cressidaWed, 11 September 2002 07:41
Read Message   Re: Manual VS Auto? Wed, 11 September 2002 06:29
Read Message   Re: Manual VS Auto? mx83toyWed, 11 September 2002 06:43
Read Message   Re: Manual VS Auto? GIN51EWed, 11 September 2002 08:08
Read Message   Re: Manual VS Auto? LucidWed, 11 September 2002 08:11
Read Message   Re: Manual VS Auto? viagra_cressidaWed, 11 September 2002 08:16
Read Message   Re: Manual VS Auto? GIN51EWed, 11 September 2002 08:16
Read Message   Re: Manual VS Auto? Wed, 11 September 2002 08:27
Read Message   Re: Manual VS Auto? HelmannWed, 11 September 2002 08:44
Read Message   Re: Manual VS Auto? GIN51EWed, 11 September 2002 09:36
Read Message   Re: Manual VS Auto? GIN51EWed, 11 September 2002 10:08
Read Message   Re: Manual VS Auto? jza70-melWed, 11 September 2002 11:33
Read Message   Re: Manual VS Auto? GIN51EWed, 11 September 2002 21:44
Read Message   Re: Manual VS Auto? XT130Wed, 11 September 2002 22:03
Read Message   Re: Manual VS Auto? RattleheadThu, 12 September 2002 12:57
Read Message   Re: Manual VS Auto? RA28Thu, 12 September 2002 13:44
Read Message   Re: Manual VS Auto? fudgeSat, 14 September 2002 12:56
Read Message   Re: Manual VS Auto? inertiaThu, 12 September 2002 13:50
Read Message   Re: Manual VS Auto? GIN51EThu, 12 September 2002 21:49
Read Message   Re: Manual VS Auto? viagra_cressidaFri, 13 September 2002 11:49
Read Message   Re: Manual VS Auto? inertiaFri, 13 September 2002 14:41
Read Message   Re: Manual VS Auto? ApolloSat, 14 September 2002 11:38
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