RCU Forums - View Single Post - AMR Trainer 26 - (my) official build thread
Old 04-20-2015, 01:29 PM
  #423  
spaceworm
 
Join Date: Mar 2009
Location: Guilford, CT
Posts: 3,950
Received 2 Likes on 2 Posts
Default

Originally Posted by grosbeak
The maiden flight was yesterday. ...
In the air, things started to get hairy. When banking for the first turn, the low rates I had selected based on the manual didn't give me enough aileron authority... so I switched to high rate. The tail tended to drop - a lot - in turns. And even though the plane is perfectly balanced according to spec it flew like it was tail-heavy....
Sounds like adverse yaw, and you need to add aileron differential. Also, you may need to add rudder to lift the tail on turns. Much like a Cub needs the same for coordinated turns. Good luck.