recommended electronics for a razor go kart

[junkman]

A buddy gave me an electric razor go kart a while back, piddled with it some today. The batteries are shot for sure, don't know about the esc, but kinda kicking around going brushless. I will take some pictures of how it is set up this evening. I was thinking a 100a or so plane esc, 6s, and some sort of outrunner, servo controller. I have a bunch of rhino 4900's in 2s and 3s, so would like to do something I could use those with. I hooked a jump box up straight to the motor thats on it, it actually pulled me around the driveway better than I figured just on 12v, I think the kart was originally 24v. I am not looking for a speed demon, maybe 12-15mph, basically just to ride around the driveway while my son is on the power wheels he is getting for Christmas, maybe 30 minutes or so run time. I have scanned through some of the e-bike builds, and am continuing to do so. I have quite a few brushless, 1/8 scalers, but not really messed with outrunners, or a project like this. Any help is appreciated.