I recall reading a book by LJK Setright on the history of Bristol cars, that
the engineers there found the fan/waterpump accounted for about 5 HP, which
sounds in line with what you mention.
Mirek
----- Original Message -----
From: "PG" <britishcars@shaw.ca>
To: "'healeys'" <healeys@autox.team.net>
Sent: Monday, February 02, 2009 3:25 PM
Subject: [Healeys] electrc fan vs. belt drive
> I'm also on a Triumph forum where a few people have claimed that the
> installation of an electric cooling fan (and elimination of belt drive
> fan)
> has increased their Power by about 7%.
>
>
>
> They claim that the drag created by the fan on the waterpump pulley
> creates
> a power loss that is more than the power loss due to the burden on the
> Alternator/generator created by the electric fan.
>
>
>
> Anybody have any thoughts?
>
>
>
> Paul
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