Dale,
I have the same bow and just built a new 12 strand B-50 string for it with all the trimmings, (wool wraps on loops, wool puff ball silencers, and a tie on nocking point). I'm off this next week and will be doin' as much Trad stuff as I can, while I can, and maybe get a few days to Turkey hunt. I'll measure my string and get back with you. And generally speaking youngarcher1 is right, however, each bow has it's own mind sometimes and takes different length than what the norm is, so you just have to play with it. You will also have to play with the brace height as well to find what your bow likes based on your form and shooting style. I will say this though. Once you find out what works best for YOUR bow write it down and keep it somewhere you'll never lose it. I would also make up several strings identical to the one that works best and keep a couple spares with you when you go huntin', stumpin', or 3D-n' so you've got an extra. Good luck and I'll send you the string length for the bow I have.