Re: haldex clutch details

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <199809090824.BAA36294@theta2.ben2.ucla.edu> Michael Williams writes:

> I would imagine that they did that.  Number one is that Audi has always
> had the philosophy of full time all wheel drive with a 50/50 split.
> Secondly there are the reports of how the car handles and how it is "The
> first quattro that is able to be neutral, power oversteer, and slight
> understeer"

It suggests that there's a fore-and-aft split map that indexes input
torque as a dimension.  I wonder if it has different maps for different
gears and speeds?

It sounds a bit like the MAC12D timing map - there's a programmed
initial fore-and-aft slip for each input torque perhaps, modified by
actual slippage? Another job for the QLCC, perhaps?

It would seem to ba aimed at one of the few remaining skills on a Torsen
Type 85 - balancing the sideslip against the throttle.

--
 Phil Payne
 Phone: 0385 302803   Fax: 01536 723021
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