Originally Posted by mrmj2u
I had trouble with my HK401B gyro on a HK450 also. There was a terrible twitch present at all times. Switched it out for a xmhobbies G401B and now the tail is rock solid.
Sounds good. I'm considering a Futaba for it sometime down the line. I first have to get that cataract out of my right eye next week (the left has been fixed) and get some real stick time to see how well it really performs. Manny liked it as he'd set it; Rob didn't. Both felt the gyro was running just short of a tail blowout. I'll leave a comment once I actually get to fly it beyond a couple of hovering sessions.