Bob:

Wow a triple taper, I wouldn't have guessed - but why not. I use a fuse. jig so that will be no problem.
I am assuming inside dimensions on the firewall, F1 & F2. I can build on the wing saddle so the stab
incidence should be no problem.

thanks - Steve B.

PS, I feel like celebrating tomorrow and firing up the Wen Mac. I've got an Ace Commander but
it needs tuning. I'll try for a Berg Stamp.