5 Build Your Own Electric Car: DC Motor Basics

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In this video, we delve into how a DC motor works! For this project, we used a series-wound DC motor originally salvaged from an electric forklift.
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This video is one segment of an instructional video I created in 2010 from a home-built electric car I made in 2008. Of course, battery and motor technology has advanced quickly since then, and affordable, commercially-built, Electric Vehicles are now a reality.

This video series covers ONE low-tech and simple way of converting a car to electric. Many of these same ideas and techniques still apply to go-karts, motorcycles, boats, and lots of other projects. We hope that you enjoy watching these videos and learn a little something from them.

A simple electric car conversion project like this one uses
But that also meant we needed to design a separate circuit to disable the ability to drive while plugged-in. That's a built in feature of the now standard J1772 connection used in modern commercially-built cars.

For a nice forum thread on what to look for in searching for a forklift motor to repurpose for an EV, please see the following link:

Yes, we know there's a spider in the video. People love to comment as though they are the only one who has ever seen the spider. You can now follow the spider on Twitter.

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Licensed under Creative Commons: By Attribution 3.0 License

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You are really advising every one to try any work before prepare for repairing. That's actually should be the aim of every person. Thank you very much for such a detail analysis.

ranjulatanayak

I just had to pause the video to express my appreciation for your thorough explanation, I have no questions.

rcdesmond

I converted a VW bug with a Raymond motor that had internal series connections like you mention. Indeed, when I first started the car I had 4 reverse speeds and 1 forward. I took the motor to a motor shop and the corrected the wiring for the direction I desired. These motors are powerful, heavy but easy to work with. I don't have the car anymore but it was a great learning "vehicle" for me. Thanks for making this video.

JimRobb

cant thank you enough for this video! glad i found this channel!

DivPivShiftmaster

Thanks for the details and making things easily defined.

eddiedelahoz

It’s my first day learning about electric motors. You explained this well for me.

RigoStar

You give very detailed instructions when you are explaining Motors. That is very helpful and useful I really appreciate you for that because I was always wondering where those extra two wires come from out of the motor you should become a college professor. Keep up the perfect I love it

dichromatic

Very good, very clear explanation.. thankyou

bossbafalcon

Great teaching skills, no profane expletives, solid information. Thank you and God bless you.

georgechard

Watched this video at least 6 times over the last 3 months and im just starting to understand how it works. Got my first dc motor today. An 11" traction. Excited and thank you, your videos have been super clear and great to follow.

squidlings

Thank you for a clear concise and well laid out video you just got yourself a new subscriber I am very interested in building my own electric car

alfriedar

This was a great video. So much information and it was appreciated. You just earned a sub!

EveryDayPetrolHead

Good information. I used one of these motors to power an electric farm utility vehicle and a useful small mod worth doing
while the motor is apart, is to glue a thermocouple sensor to the stator winding. I just used a cheap digital thermometer and
it gives me good warning about motor temp before any risk of winding damage occurs.
Thanks for posting.

alasdair

You are a great teacher. No extra information just straight to the point. Other guys on here just like to hear their own voices too much and I find it hard to follow. Thanks for this informal video.

KevinSoupy