Quote Originally Posted by JAZZCNC View Post
What drives are you using.?

4.1Mh isn't bad for nema 34 from that i guess it's 8 wire motor wired in parallel. If it's a 4 wire which are often wired series I'd expect much higher inductance so would question that 4.1 figure.?

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I did wonder that. These ones:
https://www.ebay.co.uk/itm/German-Sh...72.m2749.l2649

https://www.robotics.org.za/85BYGH450D-008