[DeTomaso] Radiator fan-help!!

[Will Kooiman]

Sorry to keep this thread alive, but...

I can attest to the efficiency of "some" blades.  My Spal fans have curved
blades.  They were originally mounted as pushers and wired backward.  They
hardly pushed any air at all.  I remounted them as suckers and wired them
correctly.  BIG difference.

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of MikeLDrew at aol.com
Sent: Sunday, March 15, 2009 5:13 PM
To: JDeRyke at aol.com; Thomas.Tornblom at hax.se
Cc: detomaso at realbig.com
Subject: Re: [DeTomaso] Radiator fan-help!!


In a message dated 3/15/09 15 09 1, JDeRyke at aol.com writes:


> Quite true.... if the fan is a straight blade type. Some are asymmetric,
> which is why I said... 'some' fans..
> 

The point Thomas is trying to make is that regardless of the shape of the 
blade, turning the blade around doesn't change the direction of the
airflow--it 
just impacts the efficiency of the fan.   For a given fan blade, regardless
of 
orientation, the only way to change the *direction* of the flow is to
reverse 
the wires and thus reverse the direction that the blade spins.

That's 'all' fans BTW...:>)

Mike


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