premise: How to make a chainsaw flash light or a gas powdered spotlight.
hypothesis: Grab your materials which include a snow blower, a scooter motor, a 9v battery from a RC car, tubing, a bike sprocket and chain, scrap wood and screws and tools. Remove the sprocket from the bike and line up the best fit, wield the chain on the sprocket, design and configure the machine, add some metal framing, add the snow blower to the sprockets and make the final adjustments, mount and light and regulator.