Irregular Spindle Speed

[Doddy]

Also if Ali express shows bugger all info how can it suggest Star -Delta.?

Various adverts give nothing like the amount of technical detail that I'd like, however, most, do clearly state the two voltage options, and a close-up of the 6 pin connector.

e.g.

http://www.chinaseniorsupplier.com/M...tificiate.html