After a short delay, I did get a replacement string from a very kind young man on a traditional archery site. He sent not one but two strings for Josh's bow. I offered to pay him and he would hear nothing of it. Trad folks are really good people.
He even matched the colors of the riser.
Before I could use the new string, I needed to build a tillering tree to check the limbs for even bending. I had a section of treated 2x4 up in the rafters of my garage for a few years so I knew it was good and dry. I drilled a series of 3/4" diameter holes at a 15 degree angle in the edge of the 2x4. The holes are 2 1/2 inches deep. In those holes, I glued short sections of 3/4 inch wooden dowels. I then sanded them to round off any sharp edges.
And marked off the distances along the side.
This is the bow holding end of the tree. I use a piece of leather to protect the riser when I clamp the bow in place.
I attached a plywood base so it would stand by itself.
With the string grooves filed and the tillering tree finished, I strung the bow for the first time. and drew it back. It was a good feeling. I then put it in the tree and drew the bow to a few different lengths to see if the limbs were flexing equally. Here are the pics.
I can see some differences in the flex of the limbs. I will sand away certain areas to make the limbs act the same.
Lessons learned. I could have left out every other wooden peg. I really don't need one at every inch.