Zero4Zulu
Well Known Member
I'm working on rebuilding a RV6A. The engine is a O320 B3B (Conical Mnt.) I have changed the sump to the more forward carb. location from the far aft type sump. The builder had 3/8" spacers behind the engine mounts to make room for the FAB and nose gear interference with the previous sump.
This plane has a Hartzell constant speed prop. I'm also replacing the spinner and bulkheads to fix a poor job there also.
Between these two issues, it means I'll need to move the cowlings aft at least 3/8". I am redoing the cowl attachments anyway so I don't mind that.
Question is..............how much will moving the engine back 3/8" effect the CG and is this a good thing since it is a constant speed prop with more weight up front?
This plane has a Hartzell constant speed prop. I'm also replacing the spinner and bulkheads to fix a poor job there also.
Between these two issues, it means I'll need to move the cowlings aft at least 3/8". I am redoing the cowl attachments anyway so I don't mind that.
Question is..............how much will moving the engine back 3/8" effect the CG and is this a good thing since it is a constant speed prop with more weight up front?