Re: single to three phase , beat this with a rotary ?

Posted by JDseller on March 04, 2012 at 11:59:51 from (208.126.196.144):

In Reply to: single to three phase , beat this with a rotary ? posted by buickanddeere on March 04, 2012 at 10:50:23:

Well buickanddeere I just built the fifth one I ever have done this last week. I have used the original for over thirty years running a lathe and milling machine. Each of my sons and my brother now have ones we built.

I use a used three phase motor and old single phase motor we had left off of a silo unloader. I buy the couplers off of Grainger. I put a six inch pulley between the two shaft couplers. I them weld the whole assembly together. I then just bolt the motors on a board with the home made coupler/pulley hooking the motors together. Wire it up using simple blade type switch box.

To use them you just spin the pulley with the bottom of your shoe and turn the switch on. You are good to go.

Total cost was less than $75. The others cost me even less than that. So I am guessing that the $275 dollars saved would buy all of the lost electric I am losing over the inverter type for the next fifty years or so.

I know you purest out there just go crazy when we talk about a rotary converter but they work and are cheap. You have to remember that most of us don't need three phase for very long. Mine might set for weeks at a time and never be used. So when is the energy cost ever going to be an amount to worry about??

Replies:

• Re: single to three phase , beat this with a rotary ? Buickanddeere 06:19:49 03/05/12 (0)
• Re: single to three phase , beat this with a rotary ? Fritz Maurer 18:37:10 03/04/12 (2)
  • Re: single to three phase , beat this with a rotary ? Buickanddeere 06:25:48 03/05/12 (1)
    • Re: single to three phase , beat this with a rotary ? Fritz Maurer 17:00:46 03/06/12 (0)

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