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Author Transmission losses
Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
1st Feb 11 at 11:13   View User's Profile U2U Member Reply With Quote
Me and my mate were having a discussion about transmission losses last night and we came across something we didn't agree on...

Transmission losses - FWD & RWD

Am I right in thinking that a RWD will have lost more (%) bhp to the wheels than a front wheel drive due to the prop shaft?

Thanks.
AK
Member

Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
1st Feb 11 at 11:19   View User's Profile U2U Member Reply With Quote
maybe, but not by much.

We lose about 14% (going by RR) for both our 4wd cars.

10%-12% for FWD/RWD maybe.

You do hear some folk saying 25% for 4wd though, so i'd take anything with a pinch of salt
Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
1st Feb 11 at 11:22   View User's Profile U2U Member Reply With Quote
I've heard 25% on 4WD too.. However that does sound like a bit too much.

[Edited on 01-02-2011 by Scotty C]
SVM 286
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Registered: 13th Feb 05
Location: pain
User status: Offline
1st Feb 11 at 15:54   View User's Profile U2U Member Reply With Quote
It varies from vehicle to vehicle Scot. Transmission efficiency, plus wear & tear play a big part.

Physics and common sense dictate that a RWD setup would in the main, lose a little more than a FWD setup.

 
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