What do you get when you cross 7 hobby gearboxes with 14 wheels and a LiPo battery? Instead of speculating an answer, we can just check out one of [rctestflight’s] projects. He came across those hobby ...

Normally tractor pulls are events where ridiculously powerful purpose-built rigs tow special sleds down a 100-meter dirt track. As the weighted sled travels, the weight slides toward the front of the ...