Concavities are typically hard to produce with skin-on-frame, as you are usually trying hard to stretch the fabric quite tightly. Before stretching,...
I have lived aboard in that marina . . . .
No eagle stories (there), but one morning I had two large ravens follow me for a hundred yards along that...
Dare I mention skin-on-frame? They'll take less time to build, for far less money, and just 40-60lbs for a fine rowboat is worth considering . . . ....