Dave,
The front licence plate certainly is not improving the situation. I
would remove the thing.
The flow of air can be affected by a number of things. Your library
might have books such as CJ Marchaj, Aerodynamics of Sail, or Manfred
Curry's texts, and newer studies on the subject. These two cited works
have numerous illustrations of air flow being disturbed by objects, some
of which are surprisingly small. For instance, a vibrating shroud (wire)
has an effective diameter about ten times its actual diameter, and the
disturbed air continues to be disturbed for a length about ten times the
effective diameter.
That paragraph is a windy way of confirming that the cleaner the
airflow the better the cooling in the radiator.
Can you fit the later model plastic fan? It's said to pull more air
and consume less power than the metal blade fans.
Bob
On Thu, 29 Jun 2006 15:24:51 -0400 dave houser <mgs4dave@tampabay.rr.com>
writes:
> Listers,
> How much air deflection, if any, do you think the front license
> plate creates that would impede cooling?
> You know my problem with a hot engined 67 BGT that I recently put A/
> C in. Several recommendations were made at MG2006, such as bringing
> the condensor right against the radiator, possible use of the blanking
> sleeve without a thermo, move the oil cooler under the valence, try
> 2 electric fans instead of one, etc.
> Looking at the plate once I was home i wondered if that could be
> disturbing air flow thru the grill into the condensor/radiator. It
> sits pretty much right in front of the oil cooler and here in Florida
we
> don't need two plates on the cars.
> What think? Any gain at all? I will try it and report back.
> TIA,
> Dave Houser
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