springs provide the most tension when you need the least, and the least tension
when you need the most
see https://forums.maslowcnc.com/t/weights-for-chain-tension/ for the simple
solution I did (with milk jugs, metal, whatever you can hang that’s 4-6 pounds
for a 10’ top beam, you can go up to 10-12 pounds with a 12’ top beam)
here’s the thread on the sources of error
https://forums.maslowcnc.com/t/list-of-sources-of-error/
David Lang
P.S. I read and respond to the forums via e-mail, which is why I respond to
older messages first as I see them