This is the Lancair IV EngineAir V8 cooling system.(Snip)...

I had a long talk
with Al Joneck(s?) the engineer on this project
and he tells me the fan does not rotate as fast as
one would think. The pressure on the front fan blades
is somewhat canceled by the pressure on the rear blades
according to Al.
(More snip)...

Paul Lamar

Paul,

could you elaborate more on this pressure cancellation. Is it happening with the fans turning or stopped?

Thanks for enlightening,

Alfonso Lebron-Berges

I am just repeating what Al Joneck told me. I am a bit skeptical about it.
The cooling system is obviously working well however.

Paul Lamar
 
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