David was given a go-cart from someone in the area and needed to get it going. Andrew installed a snowmobile engine on the cart, and yesterday the boys worked on it and got it going. They got it up to quite a speed, and then the engine fell off! Guess the bolts used weren't strong enough.
Now it's back to the drawing board to figure out how to bolt the engine to the frame. I'm not worried; Andrew will figure it out. He's quite the mechanic.