I came across a few interesting things:
Blended Wing Body - New Concept in Passenger Aircraft Check Klingon version
Next thing are propfan engines. As any type of aircraft you build you need an engine that would provide thrust most effectively at certain speeds. Propfan is supposed to be able to increase efficiency by 10-30%.
Green sky thinking - carbon credits and the propfan comeback?-12/06/2007-Los Angeles-Flight International
Airworthy Electric plane!
Green sky thinking - carbon credits and the propfan comeback?-12/06/2007-Los Angeles-Flight International
As I am writing this very late at night I wont comment much. But I think that Any heavier than air aircraft that would be useful cannot rely solely on solar cells.
