I've made a few 60" static recurves but none were sinew backed so I have been thinking about this for a good bit while waiting for the right stave to show up. Last year at the classic Clint(osage outlaw) gave me one of the staves he got from the giant osage he harvested. I was very excited when he gave it to me, not only because it was one of "the" staves but also because of this hole in it, centered from side to side. I think the stave was 72" or so.
After studying this stave for a while I decided that that cool hole was a bit too close to the tip for my liking. I don't think it would have made me a good bow. This stave was cut in 2011 so it is close to being season ready for a bow, it has nice rings and it only had the one big knot and a small pin along one edge. The stave was from over 3" at one end to 2 1/4" at the other end with the flare around the knot. If you look close, just below the big knot I drew a pencil line. From the other end to that mark is 56". You'll never guess what I did next...
After getting the stave almost down to one ring I cut it off at 56", at the pencil line just below the knot. I then drew the center line and measured and marked off the bow's outline(1 3/4" most of the way out then tapering to 1" tips for now).
I then cut it out just outside the lines...
One tip does have a little dogleg in it that I will get out when there is less wood to move. I have thinned the limbs to 3/4" to the fades. The handle is 1 1/4" deep. I will start reducung the thickness next with a farriers rasp. When I get it down to floor tiller stage I'll see about adding the recurves. Here she is now. 56"t/t with a slight natural reflex. Front profine and side profile...