hp loss
Jim Davies
jimd at vcc.bc.ca
Sun Mar 14 02:26:45 GMT 1999
On Sat, 13 Mar 1999, Gary Derian wrote:
> Of course a hypoid has more friction than a bevel gear but how much?
> Viscous drag from the lube also has a great influence and is greater with a
> hypoid. I suspect the differences between hypoid and bevel are measurable
> but small.
>
I SUSPECT the difference may be significant in some axle designs. I have a
GM graph that shows the drag advantage of variable displacement automatic
trans pumps. They are careful to show overall driveline drag to a RWD
vehicle with a hypoid gearset. The difference is relatively significant.
Of course, it would be nice to see some reliable data on hypoid gear
friction...
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