The Engineer - German hydrogen plane HY4 claims altitude record theengineer.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theengineer.co.uk Daily Mail and Mail on Sunday newspapers.
The Engineer - German hydrogen plane HY4 claims altitude record theengineer.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theengineer.co.uk Daily Mail and Mail on Sunday newspapers.
HY4, the hydrogen powered four-seater aircraft developed by Stuttgart’s H2FLY, has achieved what’s claimed to be a world record altitude of 7,230 feet.