Motorised surfboards weigh just 15kg and travel at speeds of up to 33mph . Capable of thrusting riders into the air off waves and the wake from boats . The first wave rider was a man called John McAlpine, who rode his board in the surf for three years before he died aged only 29.
Motorised surfboards weigh just 15kg and travel at speeds of up to 33mph . Capable of thrusting riders into the air off waves and the wake from boats . Contraption , made in Czech Republic , is powered by a two-stroke engine .