'Real Iron Man' hoverboard inventor is recruiting 25 people to test a new craft

Inventor Franky Zapata is looking for 25 brave volunteers to test new flying craft
The Frenchman is famous for crossing the Channel on a jet-powered hoverboard
JetRacer flying car is a sophisticated version of his board but pilot now has a seat
Has ten kerosene-powered micro turbo-jet engines to take off and land vertically