Looks nice.-lars- wrote:@Bigdog, that's right! It's called concave leading edge. Peter Lynn has a patent on that....
But aint concave leading edge not just a modified sigma shape with a new name
Looks nice.-lars- wrote:@Bigdog, that's right! It's called concave leading edge. Peter Lynn has a patent on that....
Other way around - sigma shape was concave leading edge with a new namelander wrote:Looks nice.-lars- wrote:@Bigdog, that's right! It's called concave leading edge. Peter Lynn has a patent on that....
But aint concave leading edge not just a modified sigma shape with a new name