Easy Conversion of AC Washer Motor to 12VDC

No tools needed.

Driveway Dudes Paul shows you how you can convert a 230VAC washer motor to operate by using just a 12VDC battery without having to modify, breakdown, dismantle or rewire it.
The rpm can be controlled by the use of a potentiometer/rheostat.

Simply by using just 3 wires as jumpers it is easily done and if you wish, by removing those 3 wires it can again be used as a 230VAC motor.

There are many old motors still about that may have stopped working and all they may require is just a good clean and new set of carbon brushes.

The applications can be whatever you want. You could increase the voltage from DC 12V to 24V, 48V, 60V, 72V, etc and in series or parallel.

You could go off grid and/or use the motor AC with a suitable power inverter

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This video demonstration is for guide purposes.

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Don’t pay someone else when you can Do It Yourself!

[philippa.]

I was so surprised when I tried it out myself that it actually worked

[howlinwolfgangnester]

Wow extremely works. I used an old lap top charger for power source. I am building a BBQ Rotisserie and i had an old copying machine motor and a washing machine motor to chose from. I was afraid the coping machine motor would not have enough power to turn Miss Piggy but i wasnt sure how to get the washing machine motor to run with out the coil power source as when i wired the brushes + and - to the laptop charger it had no power. I did just as you said in this video and the washing machine motor was turning. So great video and now i will weld the washing machine belt bucket wheel pully to the metal rod that will go through the body of miss pigy. We will feast in your honor Sir

[samuelwkkabwe]

I have learnt something I didn't know and I'm ready to start my project.

[pkf]

i have several of these motors, in my stash. suddenly they now have some potential. Thanks for sharing

[supermarioisacat]

No AC rated motor can run on straight DC without some form of commutation. Which means this particular one must be a brushed, AC/DC universal motor. Also, a raw potentiometer placed in series with the power source, for use as a speed control will be cooked once an actual load is applied to the shaft.

[colinware]

12 volt motor + battery= almost endless uses "off grid" remote locations, camper van fun, propulsion. ...12v a lot safer than 240!
Great video and instruction, looking forward your next one, thankyou!

[terriecotham]

Thanks for posting as most people would not thank this could be done.
well done video

[rogertyler]

That's Unusual Being Able To
Do Something Like That. That
I've Heard Some Of Those AC Motors Have AC To
Rectifires In Them

[jostouw]

I used to boost vacuums by fitting a bridge rectifier to give DC to the brushed motor as they are basically a DC motor to start with!

[CliffsShed]

Great video, was wondering about the torque but some of the other comments have cleared that up,
Thanks for putting this up!
All the best,
Cliff

[nothankyou]

I'm saving this for when I'm on a longer study break, but I'm sure I'll be thanking you so I'll do it now.

[FarmerBoBonYoutube]

using that same concept if you charge the rotor windings with 12V dc, u can use the stator output then as a generator, and once the motor is at speed u can use the stator output to keep the rotor charged as long as you keep the motor I have done this with a 30KW 3phase electric brush motor. Works like a charm. Built myself a 3 phase generator with a 1400cc petrol engine running it.. and that will give you an 220v output.. on your motor...

[indigocharlie]

Very well explained. Also noticed how you don't erm or omm or tut like a lot of people making videos with speech. Could listen to you all day. Thank you for excellent video.

[mrshoney]

Thank you for sharing your knowledge, very well presented and explained.

[stoweby]

This has been incredibly helpful. Thank You!

[jakevangeersom]

That is NOT an AC motor it is a UNIVERSAL motor, AC motors are not able to run on a battery, universal motors however are designed to run on both AC and DC.

[paulmoffat]

Motor nameplate says 230-240v, 1.8A, 350W - (1/2 Hp Rated Load) which should be at (1.0 Service Factor). 12VDC will turn it, but do not expect any sort of power output (not even a fan), as the battery would need to provide 29 Amps to run fully, and possibly burn out the winding as it is rated at 1.8 Amps.
The operating volts required suggest that this is from England.

[MrFreddiew]

Very interesting, how efficient is the motor when running off 12v, and how is the motor torque affected? Does this mean also that you could use this same setup to generate 12v as a generator of a small wind turbine?

[kirschkern]

PERFECT !!!!
THANKS SO MUCH
i search so long for this informationds. Thx alot.

[apmdavies]

In this configuration there would be only a little usable power. If however you connect the field winding across the two brushes (in parallel) and the apply 12 v also across the brushes, even though the speed will be slower than the rated output, the torque should be much higher. Experiment with the wiring of the field coils (if there is more than one) for the optimum performance.