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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