Friday, March 28, 2008

The Alfetta GTV rear transaxle

Originally uploaded by gtveloce
Another Alfetta feature is the diff and gearbox in combo with the clutch. Yes folks, this is a production sedan, yet it comes with in-board discs and rear mounted gearbox, like an F1 racecar from the 50s, or a front-engined Porsche from the late '70s. The rear mounted gearbox gives 50:50 weight distribution and the resulting 'weight at each end' polar moment of inertia gives a very controllable feel to sideways driving. Nothing sudden here.

You can see the in-board discs on either side of the transmission. Yes, they are out of the cooling wind but for road applications the rear brakes don't do a lot of work anyway. And this arrangement lessens unsprung weight in the suspension.

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