I decided to order some artificial sinew from primitive originals. The only stuff I could find in town is at the hobby lobby and it was 4 dollars for a small bobbin of 15# sinew.
I got a roll of 70lb to try out for bow strings and a small bobbin for hafting. After shipping and handling the total was only $14.50. I've read on here that a lot of people find that it stretches a lot. I had to test it out as it just came in the mail today. Tonight I made a quick 9 strand string with three bundles of three in a simple twist...then rubbed it down to heat the wax a bit.
After bracing the new bow at 7" and pulling to 28" a few times I expected the string to stretch and settle down the brace height a bit. To my surprise the brace height has not changed after an hour and about 20 more pulls to full draw.
The previous string was just a three strand of some 117lb nylon catfishing line from walmart. That stuff stretches A LOT. On the same bow the nylon string would be braced at 7" and settle down at about 5.5" - 5.75". And that is on an ~50lb bow.
Even the weight of the bow feels stronger with the artificial sinew string.
How much stretch are you guys getting with your artificial sinew strings??
I'm liking this stuff...easy to work with too. Oh yeah heres a link to where I got it.
http://www. primitiveoriginals.com/arsin1.html