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I decided to go ahead and modify my spindles to implement Ackermann steering after having my kart for over two years. It didn't seem like a big deal and was always on the back burner. Front wheel scuffing is gone. Wheel hop on hard acceleration and hard turning is gone. Plowing is out and...

After messing around and modifying the stock axle and front spindles to mount larger wheels, I still wasn't happy. I decided to go for a more standard axle and settled on doing a 3/4" custom job with shaft adapters to mount 1" ID wheels. I didn't go 1" for the shaft because it was easier to...

Here's my latest project. This Jeep has been around since about 2018 and has gone through a bunch of revisions. I finally built a rear sub-frame with a 1" custom axle and switched over to a brushless setup. I am using a 24v 30A brushless controller and a 48v 1800w brushless motor. Two 12v23Ah...

Well, I decided I was leaving some rpm and torque unused with the ME1719 even with flux weakening, so I ordered some headway batteries in what are apparently transformer modules. I shucked them in various degrees and checked the fit to confirm I didn't screw up and they all fit as I'd hoped...

A few weeks back, a new member (soilsamplerbill) was messaging me regarding motor controllers for his build. When he was talking to Fany at Kelly, he was asked if he wanted field weakening on his KLS-H controller. Now, it turned out the KLS-H line doesn't support it but the KLS-N line secretly...

I just swapped out my ME1717 for a new ME1719. I think I'll run a bit more with 12t/58t and then switch to another gear set for higher top speed. My initial impressions are pretty good though...

Today I finally got my Chevy Volt 3.1kWh (16s2p) battery installed and took my kart out for an hour long abuse test ride. My battery subframe contraption held up, though I am getting wheel hop instead of spinning when accelerating hard while cornering now. I ran the pack down from 65v to 58.26v...

I decided I wanted to increase the safety of my go-kart while out on the road, whether it be to show my intentions or just to be seen period (especially if driving slowly with my sons on their vehicles). So, I started trying to figure out how to get hazards and turn signals working with...

I realized that I had videos from about the same spot when testing out different gear combos. Here is a side-by-side video of 4.5:1 vs 3.86:1 and they are surprisingly close. I think the 3.86:1 just eats more amperage in general, though I don't know why that isn't translating into serious...

My son's Razor Dune Buggy blew out a bearing in the jackshaft and I am trying to find a replacement. It looks like a single row deep groove bearing measuring 13mm bore, 27mm outer diameter, 7mm width. So far, I haven't found one. Does anyone know who might be a good supplier for the part? I've...

Riding around in my kart when it starts to rain got me thinking about these IP65 Motenergy motors that I ran across. I already have water/dust resistant electronics (battery, controller). Does anyone have any experience with something like the ME1717? I can only find scant info on it, though it...

I am pretty much done with my son's Razor Dune Buggy (36v 1000w controller, Currie motor, headlight, running lights, wig-wags, horn) and now I am jealous and want my own kart. :rolleyes: Would a 48v 1800w 4400rpm MOT-481800BLDC-MB (Boma?) from electricscooterparts.com and a Kelly KLS4812S be a...

I'm looking into ways to get a bigger tire onto the rear of a Razor Dune Buggy (preferably taller, for a little more top speed). Unfortunately, there doesn't seem to be a direct replacement for the 20mm hub split rim because Razor likes proprietary sizes. Could a larger tire fit in place of the...