I designed the end effector for the HOT Team (67) to be adjustable to compensate for variation in ringer inflation, but we did not have to adjust the distance between roller all weekend at GLR.
We have our belts positioned 5-5.5" apart.
If you want you can see pictures of it on our website.
http://www2.huronvalley.k12.mi.us/sc...tos/index.html