I have a TRex 500 ESP. Full VBar.
Sensor mounted on tail box.
I had a BeastX and 3GX mounted there no problem in the past.
With the VBar the tail has an up and down vibration/bounce, quite fast, that will stop and the tail will wag side to side about 2 inches and then stop and the up down bounce starts again.
At faster head speeds the bounce is smaller but faster.
I used the soft foam provided, swapped this for a harder one, no difference.
I have DS510M on cyclic, DS520 tail.
New DFC Head and new two bearing microheli swash.
Align 3G blades which I have balanced and checked C of G.
Balanced tail blades.
All new bearings, head and main.
All of these were the same on the 3GX setup which was fine.
I have just upgraded to Pro but not flown yet so no vibration information.
I'm new to VBar, Any ideas what I should be looking for.
As the tail box mounting was OK for the BeastX and 3GX would that be a problem for the VBar.
Where should I mount it if not OK.