[Healeys] electric fan vs. belt drive

[Dave Porter]

Not sure that I'm right about this but, I heard/read ? that the cooling fan
and associated assembly actually are required for engine balance, not unlike
a harmonic balancer. Not sure about that on a 4cyl engine, but that's my
recollection. Maybe that will ring a bell with someone??
dave

frogeye at porterscustom.com

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-----Original Message-----
From: healeys-bounces at autox.team.net [mailto:healeys-bounces at autox.team.net]
On Behalf Of PG
Sent: Monday, February 02, 2009 1:25 PM
To: 'healeys'
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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