Vibration analysis T-Rex 500 Mikado V-Bar

[jtjohn1]

I was actually holding down the V-Bar Gyro (If I remember correctly ) in order to see if I needed to tighten it's zip tie

[trexinvert]

So how did you minimize the 200hz vibration on the 2nd trial? I'm guessing you held down the tail boom. That's typically what I see with my trex 500.