I have other hobbies, one is archery. The way to make changes in the length of the bow string or cam cable is to twist it. Bow strings are made of kevlar these days. You can buy kevlar as fishing line. I did that, 150# test.

I am working on a 1/4 scale BUSA fokker D-7. I absolutely want pull-pull for the elevator and rudder, probably the ailerons as well. What is wrong with making my pull-pull cabels out of say, a half dozen strands of the kevlar fishing line? 900# test now! To make my fine ajustments in length I could simply twist the bundle. I am envisioning using quality snaps from swivels instead of clevisis. The ends would be finished with a bunch of half hitches and CA glue.

How about going right off the servo arm? I read some guys don't like the idea. There is no need to make the cabels banjo string tight. In fact the steel cabels on my current daily flyer are steel and a bit loose. The play in the surfaces is less then a push-pull lash up.