Each took about 5 days. These aren't full days as it's a bunch of epoxy / varnish drying interspersed with sanding. A good way to do the gallows is to create a blank from scrap lumber that fits the pattern of the gallows (and, separately, the tiller). With a good set of clamps, you'll be able to pull down the laminations (laminates?) onto the blank. Then rough cut the edges with a band saw and sand to fit.
In the photo, from front to back, you have the pattern, the blank behind the pattern (both in the vice), and the lamination strips. The lamination strips were clamped to meet the curve of the blank.
Couple bits of caution: cut the edges wide of the line so you can sand down to spec. I cut too close and left little band saw teeth marks in my gallows. And go easy on the epoxy. You don't need a lot for the glue up here and much of it will squeeze out.
Here's how I did it. It starts about half way down.
http://sunmonkeypocketship.blogspot.com ... e-ash.html