Re: dynamometercar

[David Johnson <trainman@ozemail.com.au>]

David Bennetts wrote:

> "Tom" <gunzel3801@optusnet.com.au> wrote in message
> 39bd5ac6$0$26535$7f31c96c@news01.syd.optusnet.com.au">news:39bd5ac6$0$26535$7f31c96c@news01.syd.optusnet.com.au...
> > Does any one here know what a Dynamometer car does?
> > and what its main function is.
> > Thanks
> >
> A dynamometer is an apparatus for measuring force or power.  In railway
> terms, the dynamometer car is usually marshalled immediately behind the
> locomotive(s), and measures the drawbar force which the locomotive produces.
> Usually done for testing new locos, or re-engined ones, it is the only
> practical way of measuring the usable power output of the loco.

When we were testing the 90 class locos, we put the dyno car between the 1st and
2nd locos so we wouldn't pull the dyno car apart.   Climbing up to the long
tunnel on the Ulan line was a bit of a worry - the car was creaking and bending
in places it shouldn't have been!

--
David Johnson
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/
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