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gold28 Forums Junkie Location: Madrid - Spain Registered: August 2002	Re: Drivetrain Loss Tue, 05 August 2003 06:39 It depends on the type and condition of the auto. I am not aware of any exact figure. It has been a long day at the office, so this is likely to be nothing more than dribble BUT....................I would think that you would get a percentage due to the mechanical side of the drive (probably similar to a manual) plus a specific figure for the slip in the torque converter. My logic for this is as follows and is just my guess at how it would work. Being a viscus coupling, the power required to slip a torque converter would be exponential against RPM. This means that after a certain RPM, you could reasonably assume that it is locked and absorbing a fixed amount of power. Not having any interest in automatics, I have never looked into this, but I wouldn't be surprised if the manufacturer could supply you with a curve like this for a particular torque converter. Some auto's have a locking type top gear meaning that they don't slip at all. The drive losses will be silimar to a manual for these boxes, which is why they use diff ratio's similar the manual cars. [Report message to a moderator]

	Subject	Poster	Date
	Drivetrain Loss	-Mark-	Mon, 04 August 2003 15:30
	Re: Drivetrain Loss	rob_RA40	Mon, 04 August 2003 22:16
	Re: Drivetrain Loss	Jason	Mon, 04 August 2003 22:30
	Re: Drivetrain Loss	Shteeve	Mon, 04 August 2003 23:12
	Re: Drivetrain Loss	7M-Brisbane	Mon, 04 August 2003 23:28
	Re: Drivetrain Loss	gold28	Tue, 05 August 2003 00:27
	Re: Drivetrain Loss	-Mark-	Tue, 05 August 2003 01:40
	Re: Drivetrain Loss	Celia-Sue	Tue, 05 August 2003 05:48
	Re: Drivetrain Loss	gold28	Tue, 05 August 2003 06:39
	Re: Drivetrain Loss		Tue, 05 August 2003 07:24
	Re: Drivetrain Loss	draven	Tue, 05 August 2003 07:56
	Re: Drivetrain Loss	YelloRolla	Tue, 05 August 2003 08:05
	Re: Drivetrain Loss	thetoyman75	Tue, 05 August 2003 13:09
	Re: Drivetrain Loss	oldcorollas	Tue, 05 August 2003 15:03
	Re: Drivetrain Loss	fj20	Wed, 06 August 2003 00:15

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