Mr David Gall Please contact privately Wladimir

Does anyone knows if Mr. David Gall has an email address another that is at the quickiesource site? I need to get in contact with him. Thanks

Hi, My nails are not brittle..they are though and flexible..just kidding...In fact you have raised an interesting question for which I do not have an answer. My models have relatively short wing and c

Hi, This is my first posting...I just thought this subject so interesting...Ive been designing a Q type aircraft, initially monoplace to test the concept. My approach to lowering the stall speed would