I had problems with my 450 bobbing forward and backward recently

. Finally found out that the tail bearings were worn out

. 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
