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Some fans with lots of pitch flex and flatten out at high speed... don't
know if this is the case with the TR plastic fans but, as noted, tweaking
the old metal fan seems dicey.
I somehow ended up with a TR4 fan (square tip) on my TR3A (would have had
the rounded tip) which may perhaps provide some small improvement.
Geo
----- Original Message -----
From: "wbeech" <wbeech@flash.net>
To: <british-cars@autox.team.net>; <triumphs@autox.team.net>
Sent: Thursday, August 02, 2007 5:25 PM
Subject: [TR] TR Fan Pitch
> Has anyone tried to bend the fins on their fan to increase the pitch and
> therefore move more air across the radiator? Just eyeballing it I would
> say
> the TR3 fan is pitched at about 10-15 degrees, but looking at pictures of
> those yellow fans at TRF they look to be about 30 degrees and they have
> six(6) blades.
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