Earlier, Kyle Boatright wrote:
One of these days, I'm gonna dust off the Hatz project, and when I do, I'll
need to make some scarf joints in 1/16" ply.

Whenever I need info about ways to make wood aircraft parts, the first
thing I think of is Sequoia:

http://www.seqair.com/skunkworks/Woo...s/Methods.html

Bob K.