Originally Posted by
Rotorhead84
I've been hearing for a while now that the van horns are actually beating the crap out of helicopters. Especially utility ships. Premature failure of transmission mounts, bearings, etc. 110% rumor but thats why the OH58 blades aren't out yet too stiff.
Interesting R84.
We are flogging out Transmission Restraint Bearings and Restraint Support Elastomerics at a rate I've not seen before.
Lateral vibes at ground Idle also bad. Not a balance issue as vibe improves with RRPM and are fine at flight Idle and hover. Less than. 0.08 IPS.
Nodal Beams look fine and hardly ever changed one in the past. Reckon the VHA blades don't work with the frequency on Nodal Beams when light or minimum collective applied.
Utility work machines. 206L1 /C30P/VHA Main Rotor Blades.