-----Original Message-----
From: Nolan <foxtrapper@aceweb.com>
The fan clutch is a bit of both. It reacts both to rpm and to
temperature, hoping to achieve the good effect of
pulling air through the radiator only when it needs to.
Failure of the units is usually detected by seeing the fan slowly
turning with a hot engine.
==AM==
Unfortunately, failure of these units is also detected by pieces of the
fan -- mounted to what's left of the clutch mechanism --
imbedding themselves in the rear face of your radiator. Personally,
I've never had to deal with that on a Spitfire, but over the years I
dealt with that situation a couple of times on Volvo 140 series cars,
which used the identical clutch. :-(
--Andy Mace
*Mrs Irrelevant: Oh, is it a jet?
*Man: Well, no ... It's not so much of a jet, it's more your, er,
Triumph Herald engine with wings.
-- Cut-price Airlines Sketch, Monty Python's Flying Circus (22)
Check out the North American Triumph Sports 6 (Vitesse 6) and Triumph
Herald Database at its new URL: <http://triumph-herald.us>
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