Voltage

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  1. Troy Faccio
    Troy Faccio
    Any way to convert the Go766 to 110?
  2. Ralph Lindberg
    Ralph Lindberg
    .... it would be tough. The motor controller would have to be replaced with one that runs off 110. Then you would have to wire a 110V circuit at like 40 amps. Which means using a NEMA 5-50 plug and.....
    I could do it, but why?
  3. Roger Chandler
    Roger Chandler
    I think a 110v conversion would reduce the available power & torque significantly. Why take a pickup truck and put a moped engine in it? If your location requires a 110v setup, you’d be better off selling the G0766 and getting a Nova lathe or something with a 115v electronics setup.
  4. Brice Rogers
    Brice Rogers
    The G0766 is rated for a 20 Amp circuit at 220/240 volts. So, if you believe those numbers, that equates to 40 Amps at 120 volts. That is a pretty "stout" circuit. But if you look at the manual it says that the full load current dray is 16 amps at 220 volts. So that would equate to around 30 amps at 120 (not 110).

    But 1 HP is equivalent to something like 746 watts. So if the motor is loaded to its max, that would be around 2300 watts. At 240 volts that is actually about 10 amps. At 120 volts, it would double to around 20 amps. So, maybe the 16 amp @ 220 vac requirement is somewhat inflated or maybe not. I have owned the G0766 for about 2 years. I doubt that I have ever fully loaded the motor. A few times I had a catch and the belt squealed. But in two years, that has happened perhaps a half dozen times. The majority of the time I am turning things under 12" in diameter and am taking light cuts.
  5. Brice Rogers
    Brice Rogers
    Part 2:
    The biggest thing that I've turned is a 19" platter of magnolia. It was wet and I took aggressive cuts.I was using a bowl gouge and getting 1/4" wide curls about 1/16" thick. They were like potato peelings and flying 5 to 10 feet. Heaven!

    You can buy a transformer to convert 120 vac to 240 vac. Get one rated for 30 amps or 3000 watts (yeah, I know that the numbers don't exactly add up). The price ranges from around $120 to 200.

    I suspect that if you tried to change out the inverter that you'd spend a lot more.

    If you were to have a problem, it would be that you might occasionally trip your 20 Amp breaker when you are really making deep cuts. If you only have a 15 amp circuit, then you probably don't have enough current capacity.

    Question: don't you have 220/240 vac in your house? I think that just about any house built in the past 50 years has 220 vac. Yes, the outlets around the house are 120 vac, but at the meter box/breaker box you have 240 vac.
  6. Troy Faccio
    Troy Faccio
    It's not that I really want to convert it. It's just that I move out of my house and moved to a duplex just for a year or two and it's not wired for 220. I like the converter answer may have to look into it.
  7. scott ward
    scott ward
    Why not ask the landlord about adding a 220v circuit in the garage. If it were me, I would tell him that I would pay for the permit and electrician to do the work so it was above board. Probably cheaper in the long run than a converter and the extra power and the possibility of overloading a 120V circuit.
  8. Troy Faccio
    Troy Faccio
    The landlord is not on board. That's why I'm looking into other avenues.
  9. Troy Faccio
    Troy Faccio
    The transformer should protect it from it being back feed via breaker. No?
  10. Brice Rogers
    Brice Rogers
    Troy, I don't know what you mean by "being back feed? Are you referring to lightning protection or addressing isolation/ground fault concerns? Or concerns about the breaker not tripping under fault conditions? Basically, if you used a 120 to 240 volt transformer and (imagine) putting it inside of the lathe (just imagine this as the xfmr will be too big - - think of it as a big black box) then the lathe doesn't know that it is actually being fed by a 120 volt circuit and the circuit won't "know" that it's voltage is being transformed to a higher voltage for the lathe.

    Some things to consider: (1) is the garage fed by a single breaker or more? If it is just a single breaker, then your lighting could likely take an amp or two away. (2) Is the garage breaker(s) 15 Amp or 20 amp? If only 15 amps, then you have a marginal situation.
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