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One iteration of the Model 820 (there were quite a number of variants) is described and illustrated in US Transport Projects #5:http://www.aerospaceprojectsreview.com/blog/?p=2538It's the aircraft in the middle in the image below:The same issue includes info and diagrams of an early Sikorsky SST, a giant Boeing "resource carrier," the "Hot Eagle" suborbital troop-lobber, a nuclear powered seaplane to tow C-5 Galaxies...
One iteration of the Model 820 (there were quite a number of variants) is described and illustrated in US Transport Projects #5:
http://www.aerospaceprojectsreview.com/blog/?p=2538
It's the aircraft in the middle in the image below:
The same issue includes info and diagrams of an early Sikorsky SST, a giant Boeing "resource carrier," the "Hot Eagle" suborbital troop-lobber, a nuclear powered seaplane to tow C-5 Galaxies...
