Probably the same on all airplanes. DC3 does it. Piper Seneca does it but really noticeable and disturbing on smaller models?? Root causes, ??
Model in question is a low wing. 24 inch span. 5-3/8 cord. 5/8 thick. 130sqin. 7oz empty.
http://www.rcuniverse.com/forum/1-2-...l#post12386294 Post 102