CASTLE is a top producer of high performance, high quality products for RC aftermarket upgrades with ... setups in lighter 1:10 scale touring cars, stadium trucks or buggies weighing up to 5lbs.

Out back are a pair of used electric wheelchair ... A large car-sized battery box houses the two smaller wheel chair batteries as well as the motor control and RC electronics.

Electric-powered RC cars can go darn quick these days, but you might want to consider jet power if you want to break records. Video after the break.