here for more info : http://kcrcw.blogspot.com/2010/12/my-su-37.html
This is my 2nd Su-37 park jet scratch build from steve shumate great design. 20" wing span not actually in steve's options. but i accidentally printed out a 20" span from a 22" span plan. with high wing loading, this thing is quite twitchy to control. need lots of dualrates and expo to tame her.
Related Videos:
My Jetset44 Su-37 28" Span - http://www.youtube.com/watch?v=r1X0XFAaqyk&feature=channel_page
Jetset44 Su-37 30" Span - http://www.youtube.com/watch?v=_0kFDq6xWmQ&feature=channel_page