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I think that you are on the right track with the cordless drill motors. Readily available, high torque, speed control, forward/reverse, fast re-charge + multiple batteries. I built a small go cart using a pedal car frame, razor scooter tires and a 20Volt Dewalt drill motor for my daughter. It...

Not sure what you mean by 'remotely' monitoring. 'Centrally' monitoring makes more sense. Here is a product used for golf carts that might be useful. http://www.evdrives.com/category_s/1949.htm

Well....., maybe BUT, You would then need an AC controller to regulate the speed of your motor (not sure of what kind of speed controller the bench grinder motor would come with) - three phase would be simpler than single phase. I'm not sure what kind of controller would use 120 Volt single...

I had one of the gearboxes open, but I don't recall if the 'worm' was cut into the motor shaft. I think that is was.

I've seen these repurposed for a homemade Segway using Arduino control. I started on a similar project of my own, but haven't completed it [yet]. Sid is correct, there is quite a bit of reduction through the gearbox. Lots of torque, but the speed isn't too much unless you use larger diameter...

Yes, an important piece. 18" tires. One thing that I did when programming the controller is set output to 75% as suggested due to the low inductance of the motor. Apparently the controller can see that as a short circuit if the inrush is too high. That may account for the top speed being a...

On the motor end, I had as few as 12 on the motor and on the jackshaft 18. That's along with the 10 and 60 on the wheel side, so - 9:1. There was plenty of torque, not much speed. Also, I found that the 12 tooth was so small that there was a lot of noise. probably because both sprockets were...

One thing that I found difficult was finding a sprocket that had a 7/8" bore (motor shaft) in go-kart sizes. So I went ahead and used the jack shaft arrangement that came with the kart and used chain and sprockets more suited to industrial applications on the motor end that were readily...

Electric Go Kart Drivetrain I've attached some photos of a kart that I built a couple of years ago. My main focus was to pull the kids through the snow on their sleds as opposed to pulling them myself - avoiding a heart attack or something! I find it under powered and my choice of batteries...

I had the same issue. I went to an industrial bearing and belt supplier and purchased sprockets and chain. You can probably find that on line too. The grade/size is heavier and did not match any of the go-kart chain size (which seems to be more in line with bicycle parts). So I have a...

Personally, I'd steer clear of the Cushman motor. You will be limited to the pulley and belt arrangement that comes with it as Cushman uses a tapered shaft. You may also find it tough to get any other size 'driven' pulley than the one on the differential that you have now. I was not able...

Probably not. The motor is an integral part of the drive train and is mounted to the rear end. The motor does not have a bearing on the output end and has a female spline on the shaft to connect to the gearbox. However.... That is a good price for that vintage EZGO golf cart. Without the...

Looking at the drawing there are a total of five diodes in the control circuits. One for the main control power between the battery positive and the [key] control switch (that one is usually a little larger as all of the control power flows through it). Then there are two diodes between the...

Possibly the diodes go across the coils - sometimes referred to as coil suppression diodes. They are usually smaller diodes. See the link for a wiring diagram and note the diodes across the coils. http://www.evdrives.com/v/images/Contactors/Diagram_Forward_Reverse_PM_Motor_with_SW182_or_SW202.pdf

Some Info - links I've used Alltrax controllers in golf carts, go carts and other parade float vehicles with great success. I have used the AXE series and I have not used the SPM controllers. However, they have all been user friendly and there is a lot of info out there. I believe the SPM is...

The tires are 18". I had a buddy follow me to check the speed. It was 18 - 20 MPH on level ground. Hill climbing is good - I'm on paved streets though. I have not taken it on any off road trails. Plenty of torque - I can easily get more speed. I'll play with the sprocket ratio. I'm going...

I changed out the sprocket on the motor to an 18 tooth. Now 1:1 on the motor to jack shaft. That puts me at 6:1 overall. This thing has plenty of torque and pretty good speed. I did not have anyone clock the speed as it was too cold out to stay too long. I will get that soon and post it. The...

A Little History I'm new to go karts. A buddy of mine was cleaning out his garage and was going to toss this go kart. I told him that I would take it and see what I could come up with. It came disassembled with no engine. I'm an electric kind of guy anyhow, so I decided to convert it to...

Similar Project I used a permanent magnet motor (Montenergy ME-0708) with an alltrax controller at 48 volts. Plenty of torque - I'm at 9:1 on the reduction (12 tooth sprocket on the motor to an 18 tooth sprocket on the jack shaft and 10 tooth from the jack shaft to 60 tooth on the drive...

Wiring Diagrams Alltrax Controllers has a page called Document Depot http://www.alltraxinc.com/Doc_Depot.html There are wiring diagrams for their controllers there, but you might be able to adapt the general concept to what you are building. Also some wiring diagrams at this site...