Urs Heim's Blog (1)

I had a scary problem with massive vibrations from the prop, out of the blue, inflight. It turns out, one of the prop blades was loose inside the adjustment mechanism, which permitted it to rotate almost freely within the adjustment range. And this with an airplane, that has 68 total hours on it and after the prop had been returned to Woodcomp after the intial test flight at CZAW had shown the adjustment mechanism to be faulty at certain RPMs.

I am shipping the propeller back to Woodcomp… Continue