Half sailboat , half plane will attempt to break the 50-knot sailing speed barrier . Pilot Sean Langman crashed dangerously last year but is confident he can make it . ` Comment:
Half sailboat , half plane will attempt to break the 50-knot sailing speed barrier . Pilot Sean Langman crashed dangerously last year but is confident he can make it . `` Wot Rocket '' uses technology called `` supercavitation : '' sailing just above the water .