sound radar is back ... naaaaaaah!

[PolishEagle1939]

Originally Posted by TomcatViP

I hve read nearly a thousand of aero books. 80% of wich are not with me at present time. Are you torturing me wih that request ?

Looking at your vid, you can hear the whispering once only the plane did pass in front the observer (the cameraman) and not before. This means tht the whine is affected by mach hence the most probable prop related effect (if the LE was mach effected all the wing would be )

I will stand firm on that (no ego related - just logics)

Or actually the sound comes out the back end of oil cooler and you dont hear it as much from the front. Also said you read it made the noise in a dive. In the video the plane is in level flight and making the noise so maybe the thing you read was referring to another noise. I'm sure we've read alot of the same books (big Corsair fan too) but just have never heard it said it was prop noise, always read the oil cooler made the noise as Wikipedia says.
Cheers