Serge, Most aircraft engines have threaded drive lugs pressed into the prop flange. The drive lugs fit snugly into the back of the prop, which makes the prop more tolerant of improper torque procedures. Nothing wrong with the VW style of bolting through the flange.
Jeff -- "Serge VIDAL" <serge.vi...@sagem.com> wrote: I am lost, here. Do you guys all have threaded prop flanges? My prop has go-through bolts, which are locked on the aircraft side using castle nuts and cotter pins. Serge Vidal KR2 ZS-WEC Paris, France
