Here are my UMXR trimming, balancing, and handling videos. When properly balanced & trimmed, this little sailplane can seemingly stay aloft on the farts of field-mice - and has zero throttle-pitch coupling & zero porpoising tendencies!

https://www.youtube.com/watch?v=ydT_P0BdjNc

https://www.youtub...

My review flight of the 2.1m Carbon-Z Cub SS.

https://www.youtube.com/watch?v=3dl-6IfXEdM

Joel