Hmmm, .688 MAX pitch for an MS21059? I've pitched them quite a bit farther after pryng them out of some unreachable area of an aircraft and being rewarded with a couple of bloody knuckles.>:-<
I'm not familiar with that particular installation but most radial engines had a vertical CG near the centerline of the propeller shaft when mounted horizontally. Can't help if it's being shipped vertically (propeller shaft pointing up).
While not an engineer I've worked on several Beech models and they have a lot in common. This problem has cropped up before and many times it turns out to be the emergency extension pump handle not stowed fully. It's just to the right of the pilots seat and easy to accidentally bump with your...
