[Fot] Trying to mount an electric fan on a high density radiator

[Kas Kastner]

Back in my TR-3 racing days I did all the tests of the fan mounted to the 
crank.  We were not allowed to remove the fan, but I found I could flatten 
the blades enough that I got almost the same result.  This did require some 
serious heat to the hub.  Racers will always be ahead of the rules makers.

--------------------------------------------------
From: "William G Rosenbach" <wgrosenbach at juno.com>
Sent: Sunday, June 29, 2008 5:18 PM
To: <jrherrera90 at hotmail.com>
Cc: <fot at autox.team.net>
Subject: Re: [Fot] Trying to mount an electric fan on a high density 
radiator

>>>>I've always wondered how changing to an electric fan causes a gain in
> horsepower.
>
> It doesn't seem that the fan can take much power to run. On my Spitfire
> 1500, when the thermostatic fan clutch was in its last throws of life,
> running along at 4500 RPM the clutch would instantly engage. When it did,
> it slowed the car as quickly as a sharp stab on the brakes.
> Bill
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