<VV> Rotation direction
JVHRoberts at aol.com
JVHRoberts at aol.com
Thu Oct 20 19:06:04 EDT 2005
However, I think the Corvair crank rotation was chosen for a VERY different
reason. This allowed GM to use existing transmission designs, rotating them in
their original design direction. Hence the similarity to Corvair
transmissions and their front engined counterparts. It's no coincidence that the Sag
trannies, and the early 3 speeds are essentially lifted right from their front
engined cousins. And the PG became the aluminum PG used slightly later in
front engined applications.
The final drive, being TOTALLY unique to the Corvair, could be designed to
run any direction they wanted to.
In a message dated 10/20/2005 7:01:23 P.M. Eastern Standard Time,
Sethracer at aol.com writes:
J Roberts said that the vair engine turns the opposite way of all other
engines. Well, when I open the hood of any other GM car I have ever seen,
with longitudinal engine, such as my El Camino 350, and look at the front
of the engine , it looks like it turns the same way as my vair engine, when
I look at it (vair engine) from the front ( the differential end) of the
engine. Am I mising something after all these years ??
And According to Bob benzinger, the reason for the choice of the rotation
of
the Vair motor was the equipment GM had for cutting the hypoid Ring &
Pinion
gears. The gears are cut - relative to the teeth - the same as any other GM
car of the era. Of course, the power input rotation into the pinion gear was
changed by the use of a hollow main trans shaft - Also of Note, Honda
4-cylinder car engines - prior to the S2000 model - rotate the same way -
viewed at
the flywheel/output end - as the Corvair. - Seth
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