Video

François Gissy's rocket-powered bicycle breaks speed record

A man riding a bicycle blasted down a racetrack in France at 333 km/h, claiming a world record.

Bike hits 333 km/h during Friday's test at French racetrack

A hydrogen peroxide-powered rocket with three thrusters fastened to the frame of an elongated but otherwise ordinary-looking bicycle, ridden by François Gissy of France, reached its top speed of 333 km/h in just 4.8 seconds and 250 metres for a Guinness World Record. (Exotic Thermo Engineering/Swiss Rocketman/Facebook)

A man riding a bicycle blasted down a racetrack in France at 333 km/h, claiming a world record.

As you might guess, François Gissy of France was not pedalling Friday – he was seated atop a hydrogen peroxide-powered rocket with three thrusters fastened to the frame of an elongated, but otherwise ordinary-looking bicycle.

The speed he reached in tests at the Circuit Paul Ricard are the fastest ever recorded for a rocket-powered bicycle, according to the racetrack, which sponsored the event, and the Facebook page of Exotic Thermo Engineering/Swiss Rocketman, the company behind the bike. 

In video posted on YouTube that announces a record for a rocket-powered bicycle, a Ferrari racing the bike is left far behind within seconds of leaving the starting line.

The bike, designed by Gissy's friend, Arnold Neracher, reached its top speed of 333 km/h in just 4.8 seconds and 250 metres.

"In the moment, it is scary, but as soon as you stop, you also realize how amazing that was," Gissy said of the experience in an interview with the technology website Gizmag. But he said the wind is extremely powerful when travelling above 300 km/h. "I'm lucky my head is still bolted on the body!"

Cyclist François Gissy poses with the bicycle. He sits just above the rocket, which has three thrusters and is fastened to the frame. (Exotic Thermo Engineering/Swiss Rocketman)

Gissy's previous speed record on a similar bike in 2013 was 263 km/h.

Exotic Thermo Engineering's other inventions include a rocket-powered go-cart, a rocket car, and a jetpack called a "rocket belt."

According to Guinness World Records, the fastest speed ever for a bicycle that wasn't rocket powered was 268.831 km/h by Fred Rompelberg of the Netherlands, riding behind a wind-shield fitted dragster in 1995 and assisted by the slipstream of the car.

The current unassisted bicycle speed record is 133.8 km/h — a record that a team in Toronto is trying to break.

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