testresults pitch link change
What we did too reduce the feedback load from the rotor to the collective system is:
Lenghten all four pitch links with two full turns followed by the 100% full hydr.test during ground run.(we're not going to fly)
Up to 92% rrpm it is possible to bottum the collective with only one hydr.sys.so it defenitly has to do with the rotorsystem. With 100% rrpm its about 10-15 mm from full down with a small difference between the hydr.systems.
We're gone change a set rotor blades and hopefully this will work out.