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Speed

— Bicycles

Cyclist reaches 85.71 mph on way to human-powered speed world record

Aboard an enclosed recumbent bicycle in Nevada today, Canadian Todd Reichart has claimed the world record for human powered speed. The annual World Human Powered Speed Challenge draws cyclists from around the world seeking to push the limits of pedal-powered motion, but it was the 33-year-old who left the competition in his wake to clock a top speed of 85.71 mph (137.9 km/h).

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— Bicycles

Interview with a madman: Francois Gissy hits 333 km/h on rocket-powered bicycle

Last November, Frenchman Francois Gissy hit 285 km/h (177 mph) on a rocket-powered bicycle. Now, at the Circuit Paul Ricard in the South of France, he's knocked his own world record out of the park. Dialing in a massive 4.5 kN of thrust, which generates roughly the equivalent of 560 horsepower (418 kW), Gissy took his rickety-looking rocket bike up to a monstrous 333 km/h (207 mph), hitting top speed in just 4.8 seconds and generating about 1.96 Gs worth of acceleration. We had a quick chat with Gissy, who tells us he's hoping his next run will put him over 400 km/h (249 mph) in less than two seconds on a machine he's calling the "Spine Crusher." Read More
— Automotive

Beyond the car: Ultra-fast, ultra-efficient motoring with the Acabion Da Vinci

Peter Acabion, of Acabion GTBO fame, has released details of his next concept vehicle – an ultra-efficient, 1,200 mpg, 650 km/h, solar electric successor to the car. With four enclosed wheels, a transforming aerodynamic tail, a jet fighter style cockpit and a self-loading trunk capable of storing a whole washing machine, the four- to six-seater Acabion Da Vinci would use extreme aerodynamic profiling to squeeze vastly more speed and efficiency out of its available energy than any car currently available. Read More
— Automotive

Genty Automobile powers up Akylone hypercar concept

Genty Automobile has released further details of its 2015 Akylone concept that promises to give even the most potent supercars a run for their money. Some two years after first revealing plans to introduce a new supercar to the market, Genty has now updated and uprated its design to provide even more power, with a 366 CID V8 with twin turbos that promises to put out more than 1,200 bhp, and provide the Akylone with a blistering 0-62 mph (0-100 km/h) time of 2.7 seconds. Read More
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