Love it! He's had his problems to deal with in life but keeps coming back with a positive attitude. And it has to be said an utterly bonkers invention.
I presume that is the basis for his attempt on the world sped record for a bike?
Same principal as a recumbent in that you reduce frontal area by lying on your front instead of your back and travelling headfirst superman style.
Problem is they can bugger your neck as your effectively looking up all the time to see forward and they're not as comfy as your weight rests on your abdomen/pelvis area. The missionary position for cycling