Dirigible on Pontoons

[airman]

http://blog.modernmechanix.com/2011/06/13/my-new-dirigible-on-pontoons/?Qwd=./ModernMechanix/5-1930/dirigible_pontoons&Qif=dirigible_pontoons_0.jpg&Qiv=thumbs&Qis=XL#qdig

 

[Stargazer]

Idea looks good on paper... so why did it never take off? And did it really fly, anyway? What is described as "photos" looks more like artist's concepts...

Anyway, I absolutely LOVE the cover art for that magazine!