 . Finally found out that the tail bearings were worn out
 . Finally found out that the tail bearings were worn out   . After replacing the bearings, the 450 seem to fly normal again
 . After replacing the bearings, the 450 seem to fly normal again   . Here's a morning video before it got to hot to fly. June,July & AUG are the DOG days of summer in FLA. https://youtu.be/ZfZEY1M9VVs  I also need to learn how to keep my head straight when recording
 . Here's a morning video before it got to hot to fly. June,July & AUG are the DOG days of summer in FLA. https://youtu.be/ZfZEY1M9VVs  I also need to learn how to keep my head straight when recording 

