I have tried:
2x DC engines (2.048kW total)
1x Steam engine (16.384kW total)
1x Creative industrial coil at:
2048rad/s, 1nM
1rad/s, 2048nM
32rad/s, 64nM
64rad/s, 32nM
65536rad/s, 65536nM <- I was pretty pissed at this point so I just thought 'sod it, have this'...