"Andy Dingley" wrote in message
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Have you read the Old Woodworking Machines site yet ?

http://www.owwm.com/FAQ/3Phase.asp
http://files.owwm.com/PDF/FAQ/PhaseConverters.pdf

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Smert' spamionam

Thanks Andy, useful pointers. I'd seen the first but not the second. Is
there anything else on files.owwm.com? When I try to poke around anywhere
other than the the phase converter FAQ it tells me that I'm not authorised.
Dave S