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RE: Volvo fan

To: <tigers@autox.team.net>, "Jim Boynton" <jimboynton@attbi.com>
Subject: RE: Volvo fan
From: "Derek White" <derekw@sltnet.lk>
Date: Sun, 13 Apr 2003 08:59:22 +0500
One point not mentioned in this round of the Volvo fan discussion is that
the asymmetrical blades cause an un-stable vortex that moves around the
radiator instead of staying centred as is the case with a symmetrical design
fan. This gives much better heat exchange-- greater surface area covered and
higher temperature differential since you're not pulling most of the air
through the same small area of the radiator core. Apparently infrared
cameras show this clearly.

This wisdom was passed on some years ago on the list. cheers, derek

Derek White
37/2 Buller's Lane
Colombo 7
Sri Lanka
Tel: 94 1 581175
Cell: 94 777 475955

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