Aug 132017
As a followup to the photos of the H-33 display model, here’s a Grumman report from July, 1971, giving a pretty good and well illustrated description of the H-33 orbiter.
The abstract on NTRS can be seen HERE.
The PDF file can be directly downloaded here:
Alternate space shuttle concepts study. Part 2: Technical summary. Volume 2: Orbiter definition
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