Rick,
For whatever it's worth, I agree with your logic. We did not run an
aircooled engine in our motorcycle powered streamliner because of the drag
created by getting the required volume of air thru the car. Keep it outside
if you can.
Just an amateur opinion.
Howard
----- Original Message -----
From: "Rick Byrnes" <Rick@rbmotorsports.com>
To: <land-speed@autox.team.net>
Sent: Monday, July 23, 2001 1:55 PM
Subject: Re: fan or no fan
> Well, now that Warner isn't listening, consider that a running fan will
act
> like a solid object and inhibit air flow thru the rad if the vehicle is
> moving at speed. This can help limit the amount of air flow thru the
engine
> bay, causing more air to flow around and over the car as we desire. I
have
> no specific data to support this, but it is another thing the Merk had
from
> day 1. An electric fan that the Pilot controlled.
> My rather convoluted logic is that as on an aircraft, an unfeathered prop
is
> frontal area and severly limits deadstick performance. Feather the prop
and
> your glide path just got good enough to make the closest field. (we hope).
> I think this only works well if you control the amount of air that goes
> under the car as well. Large air dams that "manage" the air flow work
> well....
> No real data but Does it hurt, no, does it help? Maybe.....
> On the cool down side, I have always had problems shutting an engine down
> from a power run without removing some of the heat from the head and upper
> block, by idling with the fans on and the hood open for a few minutes.
The
> afterboil is eleminated..... and thermal shock of cooldown is lessened.
> Head gasket joints want to move all over the place in shear, and it was a
> way of me feeling more comfortable. Didn't have gasket failures, but dont
> think thats the only reason. ;=D
>
> I never had an issue with it being only driver controlled via a toggle
> switch.
>
> Since the lakester has, I hope, an adequate supply of water, I have no
more
> radiators......cept maybe for charge air cooling of inlet air.....
> Just ramblin on a Monday afternoon...
>
> Rick
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