Scrapheap Challenge

Two teams of engineering obsessives attempt to build trains with a difference: they're human powered. The Super Subs - three nuclear submarine technicians from Plymouth - try marrying an ageing Land Rover chassis with a motley selection of mountain bikes, while their opponents - the rugby-playing Sweet Chariots - opt for an outrageous man-sized hamster wheel.

Category

Cars/motoring / Game show / Science

Original air date

09/08/2010