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Old April 11th 16, 08:11 PM posted to rec.aviation.soaring
xcnick
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Default Polar numbers for Discus A

11 years later and now I have bought Serge's Discus. Udo, if you have your ears on, are the R. Johnson numbers from his 1986 article? The way I read the article he tested at 700 lbs which is 30.2kg/m^2 rather than 32.

thanks
nick

On Wednesday, April 27, 2005 at 7:30:17 AM UTC-7, Udo Rumpf wrote:
The CAI numbers for the Discus A as per R. Johnson.

Wing loading 32kg/m^2
42.5 @ 98km/h
V 2 163km

You will have to make adjustment for your wing loading
I hope this will help.
Udo