NACA Langley large long-range flying boat projects, 1944

[flateric]

source

The design of the optimum hull for a large long-range flying boat
Parkinson, John B.

NACA Wartime Report L-282.; Originally issued as Advance Restricted Report L4I12, Sept. 1944.

http://hdl.handle.net/2060/19930093019

last one is even heavier than H-4...

 

[Antonio]

Thanks a lot Flateric. I find it very interesting!