The gearbox attached to a Webra 91 has a cap bolted prop driver attaching the driven gear.
When flicking the prop the position shifts by a few degrees in relation to TDC, whether turning forward or backwards.
Is there a slip clutch incorporated for any reason such as softening power impulses?
I am tempted to dismantle the driven gear assembly to have a look at it before running the motor.
Anyone have views on the assembly?