Installed in 50cc Extreme flight Yak fuselage.
12oz hanging at 9.25" from rudder hinge line. Sorry about the video quality and the shop mess.
This is after 1 hour continuous on a half charged 2 cell lipo. If the video were of better quality you could see the rudder out-accelerate gravity on the down stroke
This test replicates deflecting the rudder 45 degree from 0 when going 75 mph (for an hour).
Regards,
L
http://youtu.be/sqWndmM_zXI