Guy is on a mission to do the impossible: fly using muscle power alone. He wants to create the worlds fastest human powered aircraft-a plane with no engine that Guy will cycle. Tagged In: Speed Extreme Sports Aircraft Science
(47m) Speed with Guy Martin World's Fastest Toboggan Mechanic and motorbike racer Guy Martin gets ready to break the world record for fasted gravity-powered sled
(47m) Speed with Guy Martin Hydroplaning Bike Speed freak Guy tries to set the all-time record for riding a motorcycle on the surface of water
