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This one?

Nope that one is completely useless

EBay is not your best bet
Find out who services electric forklifts near you - then VISIT with some cash
You should be talking about 100 pounds for a 9 or 11 inch motor
 
Nope that one is completely useless

EBay is not your best bet
Find out who services electric forklifts near you - then VISIT with some cash
You should be talking about 100 pounds for a 9 or 11 inch motor
OK andks duncan. I will see who is near.

What other specs are important or is it solely on the size and the shaft?

Voltage, amps, kW?
 
There is a whole thread on what to look for! - its worth skimming your way through - this thread!!!

But it does kind of boil down to
Type - Series DC
Size
Size of brushes
Back when I built my car it was DC forklift motors

Today if I was starting again I would be using the motor and transmission from a crashed production EV
 
Hi,

I have decided now is the time to build an EV and I'm going to start assembling the bits and pieces over the course of this winter. Next summer, I build.

A good starting point would be a motor. I love this thread but I can't read the whole thing... I just want the core criteria of the motor I am looking for. Is this list complete and correct?
  • DC Motor
  • Male shaft with keyway
  • 100-150 pounds
  • Highest 'native' voltage possible
  • I saw something about cabling/windings, can someone link me to a post that describes what is desirable?
  • I saw something about 'advancing the brushes', can someone link me to a post that describes how this is done, and can anyone tell me if some motors can't support this, and how to identify them so I can avoid buying a bad one?

Anything else?

Thank you!
 
Greetings EV people.
I am embarking on a t3 VW bus build. Locally available motors from a forklift breaker seem a bit small other than the following, has anyone ever heard of these Meiden 3 phase “inverter controlled” motor?
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Greetings EV people.
I am embarking on a t3 VW bus build. Locally available motors from a forklift breaker seem a bit small other than the following, has anyone ever heard of these Meiden 3 phase “inverter controlled” motor?
If it's "3-phase" or "inverter controlled" it's not a brushed DC series-wound motor. There's nothing wrong with that, but despite the thread title about "forklifts", this thread is really only about brushed DC series-wound motors.

I suggest starting a new thread in this same Electric Motors section of the forum for this specific motor.
 
Run both of those on a belt drive and you'll be good. Need an inverter vs a DC speed controller to run them, as has been noted. One inverter can do both if they run to a common pulley.
 
Need help with finding specs on the hyster motor that was given to me. It's HYSTER part no. is 338609, serial no. 5B .12906. What kind of HP does it have and what kind of speed controller do I need. I'd appreciate any help you can provide. Thanks!
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Hey all

I thought I'd chime in and discuss the basics on choosing a forklift motor. In general, I advise people to look for a motor that weighs between 100 to 150 lbs. The heavier the car, the heavier the motor needs to be to push it around. The way I see it is, you don't want Peewee hermin trying to pull you around but you probably don't want to feed Hulk Hogan either, lol.

When searching for cores, look for insulation that is wine colored with yellow banding, brush leads that are still copper color and not scortched, and a commutator that isn't grooved or pitted. Don't be afraid to remove the cover band and have a look inside the motor (and while you're there take a pic to send me). I get a lot of "I wish I had wrote you before I bought this emails" and it's a bummer to read them honestly. I'd bet that almost half the motors I've built are still not up and running yet, so you might not need that motor as fast as you think you might. Sometimes looking to eager to buy not only drives the price up but might also cause you to buy something ill suited for your needs to boot.

Look for armatures that have a commutator with a large bar count as the larger the bar count the higher the voltage it'll take. Also, look for solid field leads (if you're looking for a series motor) or you might end up with a sep-ex or compound wound motor that may not suit your needs. Shafts can be one of the biggest issues in using a lift motor so make sure the shaft is something you think you can attach to or modify. There are motors I reshaft, but there are others that aren't as easy to do, or have no "standard" useable replacement shaft avaiable and then you're looking at needing a custon shaft made which makes them cost prohibitive.

Choosing the right motor isn't rocket science (unless you're a racer, hehe) but does need a little thought thrown at it so the end results are rewarding and meet your needs.

Happy hunting

Jim Husted
Hi-Torque Electric
hitorqueelectric.com
Hi Jim - thanks for all this info. I stumbled across a forklift yesterday, a Clark TMG25. I think it's a 5000 lb capacity lift. Any way to know what motor is in it? Google isn't helping me much, or the Clark web site. Thanks, Bill
 
I stumbled across a forklift yesterday, a Clark TMG25. I think it's a 5000 lb capacity lift. Any way to know what motor is in it?
Like most others, you won't find much information... so just go by size and weight.

What's the diameter? Is it roughly proportional to other motors you've seen? How much does it weigh?

Since proportions are roughly the same, and weight is scales with proportions, usually the shorthand is to just know the inches of diameter of the motor. 7" for a motorbike. 9" for a car, 11" if you want something significantly powerful.

If they're stubby or otherwise odd-shaped, go by weight.
 
It was crammed in with a bunch of other stuff. I was able to take a photo of the metal labels on the forklift and the massive charger. I didn't see any way to access and get a view of the motor. It has to be a 36 volt motor, the charger Vmax was 45 volts and something like 170 amps.
 
Which is the price of a Leaf motor and is the excess weight of about 10kW in additional battery.

If this was 2012, it'd be a no-brainer. Depends what you need for your build, in the end.
 
remy: my conclusion exactly. Discussed this with my friend, and came up with these thoughts, none of which are new or unique in any way:

We both like weird ugly cars that are mostly RWD.
The Lexus GS450H are easily available, easy to fab up in the cars we might select as recipients, and are powerful enough to do what we would like. Normal driving and cruising.
In spite of reading a lot on the Open Inverter forum, it isn't clear to me if we can buy one of the units from Damien/Johanne that would be assembled and come programmed done if required. The inverters themselves are easily purchased.
The Leaf motor is a great piece of equipment, but would require a fair amount of work to get it t work in a RWD application. I would be willing to mate it with a TorqueBox.
You commented early on that the new Ford motor is reasonably priced. I agree. I have not seen anything on pricing or availability of controllers/inverters.
Neither of us is very interested in just doing a daily beater. I found a 2002 VW Beetle I can buy for $1k, but all the other costs will still add up. At some point, I might as well buy a new Leaf or Bolt, and replace one of my other ICE vehicles.
A Javelin, El Camino, etc is the type of car that would make us want to do the swap. Maybe a Corvair, C3, VW Thing, Jensen-Healey, etc.

If going the Damien route, I would want to acquire those parts before I bought any Lexus or other units.
 
Hello all.
I understand I'm trying to revisit a thread from 15 years ago but it seems like not allot of people are using old fork lift motors and making there own EV conversions that way anymore.
I would really like to but would love a little guidance on what motor to look out for and you all seem to know your stuff.
I want to convert a smaller 4x4 with a kerb weight of 1165kg and would love your opinions on what DC brushed motor would work best.
Indo have a few hills I'll need to climb as well so wondering what sought of voltage I'll need to manage that.
I was thinking along the lines of a 90V motor bit was unsure if old forklift motors go that high?
Also, what kind of motor would I need to look out for as in how to identify if it is the right one for me while I'm searching for one.

Thanks in advance.

JM
 
You need to spec the max grade and at what speed you want climb it to establish the hp of the motor.

IMO, these days it's a huge mistake to use a DC motorized vehicle in hills and mountains...with regenerative braking (brushless motors generally) you can charge the battery going down the hill, which you then use the energy stored to climb it. Net is as if you were operating on flats. With a DC, you'll use friction brakes and fade them (you have zero compression braking unlike an ICE)to no brakes which is hazardous or you'll need to run the motor in reverse as a downhill brake, consuming significant battery energy.
 
Hi Everyone

Does anyone know about a forklift motor source in the DC/Baltimore Area?

Any tips on finding one? My phone calls and eBay messages have all been unsuccessful.

P.S. I know the DC Forklift route is unadvised in this modern era - however I am locked in to DC due to some early cost related decisions I made for my Version 1. Mainly, I have a low voltage pack (Li-ion 77V nominal) and a beefy DC controller. I have all the components excluding a DC motor, whereas a high voltage AC system would require money I don't have. (Poor college student)
 
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