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Apr 25, 2002, 08:23 AM
suffering gravity surge
joey221's Avatar

Compufoil question about optimum angle

hehehe, this is a hard one!

I downloaded Compufoil and loaded the SD7037 airfoil.

The program says:

"Zero-lift angle of attack = -3.29 degrees, ideal angle of attack = 0.83 degrees..."

Where does this information come from? I opened up the file which has the coordinates for the 7037 and all it is is numbers for the data points.

So, how are these numbers calculated? Does anyone know?

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Apr 25, 2002, 10:45 AM
Ascended Master
Sparky Paul's Avatar
Go to this link.
Type in your airfoil name, and select "polar"..
For the Reynolds number of interest...
You'll get an image like this:
Apr 25, 2002, 12:15 PM
suffering gravity surge
joey221's Avatar
Sparky Paul,

WOW! This is the mother lode! Exactly the type of stuff I'm looking for, thanks so much!


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