1- Normally the RPM on change should be 2200 to go into cruise. 2 - Sounds like the pitch change/feather plate on the rear of the prop is not running true or alternatively the two bearings that contact it are not touching at the same time. Use a finger dial guage to check if the plate is true.
regards Rob Rob Thompson 0429 493 828 (Please note that my new email address is amessageto...@gmail.com) On Sat, Oct 13, 2018 at 6:53 AM Jarek Steliga <jarekstel...@gmail.com> wrote: > > > Hello, > > I am quite new here (have owned Dimona for only 3 months). > > Despite scrupulously folliowing the instructions regarding the required > RPM-s of between 1800 to 1900 at which the propeller pitch is changed from > START to CRUISE in midair, I have only succeedded twice despite numerous > attempts. Also pulling the pitch lever in the cockpit results in scary > vibrations which discourages me from continuing my trial and error methods. > Can someone please help? > > > Best regards > Jarek > > >
