Does anyone know how to interpret certain German airfoils like the ones from Heinkel, Blohm Voss and Arado?
Here's an example
Heinkel He 177
Wing Root: He 1.5 36.8 17.3-0.715-36.6
Wing Tip: He 1.5 36.8 10-0.715-36.6
Arado Ar 234
Wing Root: Ar 1.267 20 13-1.1-35
Wing Tip: Ar 1.227...
Hi all, apologies for crashing into the forum with a question.
I've had this Rotol type propeller in my possession for some 15 odd years. My wife bought it for me as a Birthday present from the small ads in Flypast. The seller didn't know what it was from but sold it as 1940's vintage...