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Re: [TR] re TR4 help, cooling fan, conclusion

To: <triumphs@autox.team.net>
Subject: Re: [TR] re TR4 help, cooling fan, conclusion
From: Peter C <peter@nosimport.com>
Date: Fri, 08 Aug 2008 09:48:45 -0500
Well, so much for conclusions.  LOL
Anyway, I got the fan today that my customer isn't buying, and 
certainly there will be a difference in PERFORMANCE of the fan 
depending on how it is mounted. The blades have a raised bit, or 
sunken bit depending on POV, that would seem to have some effect.

Peter C
==
At 05:57 PM 8/7/2008, Randall wrote:
> > Just curious but if flipping the blade over has no impact, why does Hayden
> > have you flip the blade and swap the wires around to turn a pusher into a
> > puller?
>
>I only said it wouldn't change the direction, I didn't say it would have no
>impact.
>
>As Joe says, the Hayden blades are designed to be more efficient in one
>direction.  That's why you are supposed to flip them over to change from a
>pusher to a puller.  If you don't flip them as directed, the air flow will
>still be in the right direction, just not as much.
>
>And the wires need to be changed because you are turning the motor front to
>back.  If you didn't swap them, the motor rotation as viewed from the
>driver's seat would change, due to the change in orientation.
>
>Randall
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