If any one else wants to build it, do it! And of course you keep the bike, all I want are photos, of the construction and finished product.
Wait! If any one else can design something totally new and better, let me know about it. BUT DO NOT JUST ASSUME THAT IT IS POSSIBLE TO INVENT SOME THING NEW WITH OUT PLENTY OF RESEARCH.
I made it possible to carry a propane tank because that is the heaviest thing i carry on a regular basis.
Utility Cycling Technology: Cargo Bicycle Design Contest