Finn Lassen wrote:

No this is not the opposite of "cold feet".

Went flying again today in my 13B powered RV-3. Getting more
comfortable, although my heart pounds a bit faster on any new sound or
vibration.

I think it was about 90F outside today. No real cooling problem as such.
Did see oil temp as high as 198F (223F in oil pan), and water temp as
high as 190F.

snips..

Finn, what are the dimensions of that oil cooler duct opening?
Does the oil cooler duct intake opening have a boundary layer bleed?
Can you extend it further forward to just behind the prop?

Is the intake duct for the oil cooler a simple wedge figure (d) or does it
look like figure (b) in the diagram below? Some pictures
of the duct would help.

Is it rigid and well sealed?

I notice the oil cooler is adjacent to the exhaust pipe.
Have you shielded the left side of the oil cooler from radiant 
heat from the exhaust pipe?

Also can you take some pictures of the exit duct around the exhaust
pipe? Do you have a cowl flap there that you can open?

Sorry about all the questions. Just trying to help and gathering 
data for future builders.

Paul Lamar

 
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