can it be, this a Strange design, power by a old man ?
just kidding
background on man-powered aircraft
in 1959 the industrialist Henry Kremer offered
the Kremer Prizes of £50,000 for the first human-powered aeroplane
to fly a figure-of-eight course round two markers half-a-mile apart.
More on here
http://en.wikipedia.org/wiki/Human-powered_aircraft
and the winner was in 1977
this aircraft the Gossamer Condor
look not like at all that Strange design