Have I got the maths right?

[Lee Roberts]

:o

You dont want that:

www.slidesandballscrews.com/pdf/sy85 torque curve.jpg

You want this: http://www.slidesandballscrews.com/p...ue%20curve.jpg

[Robin Hewitt]

You dont want that: You want this:

Unfortunately the X axes for the 80mm motor are gibberish ;)

On the 550 coil it goes 200 800 2000 4000 6000 pps

On the 420 coil it goes from 0 to 30 pps