Al, part of the asymmetrical design on fans, is to reduce noise, as well as
move more air.
Larry
twojohnsons@home.com wrote:
> Steve & Scott,
> What happened to the vaunted 5-bladed Volvo fan solution? There was a
> lot of buzz about that adaptation on this site a year or so back. Didn't
> rate a Walter's mention, though.
> I was told by the hardware guy when I was buying some ceiling fans that the
> asymetrical 5-blade design moved much more air than the 4-blade. And it is
> true that all the current ceiling fans have 5 blades, while the earlier ones
> were all 4 blades. Does this apply to auto fan blades? Is an old Volvo junk
> fan no longer the way to go???
> Al J.
>
> Steve Laifman wrote:
>
> > Scott,
> >
> > There is nothing at all wrong with the Tiger shroud. It could have it's
> > performance enhanced, slightly, by making a removable connection across
> > the bottom shroud gap, taking care to avoid the area between the fan and
> > the rack by carefully forming and cutting of the "bridge".
> >
> > With all due respect to Dan Walters article, I happen to have had a
> > great deal of luck, even with the best of radiators and Canadian Ford
> > Fan, with a high quality pusher electric fan for traffic crawls and long
> > slow hills. Now I absolutely agree with him that neither the Canadian
> > Fan, or the electric fan, are of any major value over 30 mph, but under
> > the conditions described, they do the job, according to my gauge. Simple
> > on-off switch. Covered in TigersUnited Forum. Set your pull down windows
> > for messages older than just 30 days.
> >
> > For really tough conditions, I have a hidden air guide for the lower
> > valence, and horn hole blockers, with horn feed-through.
> >
> > Not sure what the effect of a missing surge tank is, as I have that and
> > a coolant recovery system, but have been told that the filler on the
> > right hand tank is the "correct" design.
> >
> > Steve
> > --
> > Steve Laifman < Find out what is most >
> > B9472289 < important in your life >
> > < and don't let it get away!>
> > <SLaifman@SoCal.RR.com>
> > <http://www.TigersUnited.com/gallery/SteveLaifman.asp>
> >
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