Re: [MV] Physics v. power loss

From: Bruce Beattie (bruce@eecs.berkeley.edu)
Date: Thu Jul 03 2003 - 21:47:34 PDT


Hi Jack,
    I'm thinking that the original info was a guide to how much
torque was allowed on a specific drive shaft configuration
before you took the chance of snapping it. ie if the shaft
is too long and too skinny for a given torque, you will snap it.
Just my guess.
Bruce MVPA 23824

"Employee@MilVeh.com" wrote:

> OK, maybe I am totally off base on this one, but for
> years I have been advised there was relationship to
> axle length and torque (same for drive shaft length).
> And as I recall it goes something like this, the
> longer the distance from the power source the greater
> the loss of torque. Seems like there was a rule of
> thumb, like X percent of loss in torque per X distance
> of drive shaft and axle length. I.e. the drive shaft,
> axle length affects power and mileage.
>
> So, does anyone on the list have any additional
> information on this subject or perhaps the formula for
> computing a loss of power over a given distance of a
> specific dia. drive shaft? Or.. gulp, is this an
> urban legend?
>
> Thanks... Jack
>
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