Re: [Healeys] electrc fan vs. belt drive

["Michael Salter" <msalter@precisionsportscar.com>]

For the fan to absorb 7% of the engine's power that 7% say 10 BHP would have
to be driven by the single "A" sectopm "V" belt.. 
The last time I looked it usually takes a pair of "A" section belts to drive
1/2 a horsepower!!

Michael Salter
100 (1953) #174
AHX12 (1953)
Bugeye (1961)
http://www.netbug.net/blogmichael/?p=432


-----Original Message-----
From: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net]
On Behalf Of PG
Sent: February 2, 2009 3:25 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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