I also used 1-1/2" for the PVC tubes, but on the ones for the wingtip ends I glued on a 1-1/2" PVC coupling for a better fit.
I also used 1-1/2" for the PVC tubes, but on the ones for the wingtip ends I glued on a 1-1/2" PVC coupling for a better fit.
Jim Ott
Portland, OR
Kitfox SS7 flying
Rotax 912ULS