pulley ratios on 3 pulley axis

[Swarfing]

Jonathan i tried 5.4 already and it was close but not quite. I will try again tomorrow with the DTI, i think sometimes we can only let the math get us most of the way there then rest is probably a bit of trial and error. i will set out a drawing to draw out markers, I have about 1300 cutting distance which is a large distance to loose on.

[Jonathan]

The difference between 5.35 and 5.4 is less than 1% ... I wouldn't be too surprised if there's that much error in the belt, particularly as it's quite long. I would definately try the DTI, or even attach digital calliper as that gets you 5 significant figures (unless your DTI is digital too). Digital calliper is not perfectly accurate, it will say the tolerances in the instructions. Either way it's better than a ruler which could account for the 1% error.

Note to self Read all the damn thread...........

There was only one post to read when you replied :lol: