Originally Posted by Cbfn1

I took the pipe off the plane today.looked inside and it has what looks to be a washer welded or glued 9 inches back from the front of the pipe.looking through the washer I can see one more with an offset hole around 4inches further back.
I want to measure to the first washer or baffle that is at 9 inches right?
I cannot see through the pipe.
Im waiting for the 11/7 and 11/8 props to arrive.