Ed_Wischmeyer
Well Known Member
So I finally decided to go from a fixed pitch Sensenich to a Hartzell constant speed on the RV-9A with an O-320. Took off the Sensenich fixed pitch metal prop and the 2 1/4" spacer (I measured it) but when we went to put on the constant speed prop, a surprise, and not a good one. The cowling and prop did not fit -- negative clearance.
If we remove the required 3/8" spacers between the prop hub and the spinner backplate, things just barely fit. The prop is an experimental prop but advertised as an HC-C2Y(L)-1BF, same as Van's sells. This prop shop says that this is the 502nd prop shipped for an RV.
Nobody around here or on any tech support line has any ideas, so it looks like I'll need a new cowling and some baffle modifications.
Any thoughts?
Thanks,
Ed
If we remove the required 3/8" spacers between the prop hub and the spinner backplate, things just barely fit. The prop is an experimental prop but advertised as an HC-C2Y(L)-1BF, same as Van's sells. This prop shop says that this is the 502nd prop shipped for an RV.
Nobody around here or on any tech support line has any ideas, so it looks like I'll need a new cowling and some baffle modifications.
Any thoughts?
Thanks,
Ed