That's where the two position control valve for the Sensenich C-2FM two position prop goes. The oil to the prop is connected where that allen plug is...
The schedule is getting refined a bit more now. We have been invited to have breakfast at Sugarloaf regional. It's the prettiest airport in Maine. We...
This is a good point. I'm guessing that you'd have to be payed to check the spark plug at least. And it might be hard to argue that you checked that...