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Ed Anderson wrote:
Actually, the engine cools fine on the ground without the thermostat as it
does have a BIG fan out front. In the air, on cold winter days at modest
power settings (like cruise), the coolant temp can drop down to 150F which
is a bit on the cool side. Cowl flaps would likely be the answer to
maintaining the temps up around 180F. So a thermostat might be more than
an option for those of you living in the northen climates.
I used to drive an 18-wheeler, and the first tractor I bought was a Mac that had shutters in front of the radiator. A bi-metal 'thermostat' controlled the radiator so the shutters opened when the water got hot and closed when it got cold.
Combine this with one of those new adjustable NACA ducts that AS is selling, and you'll have all the cooling necessary with the least amount of cooling drag.
What's missing?
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----Because I can----
http://home.nc.rr.com/deltabuilder
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