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Republic XF-12 spy plane
0 kommentarerThe Republic XF-12 was an experi...
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XF-12 four Pratt & Whitney R-4360 Wasp engines
0 kommentarerXF-12 was designed by Alexander ...
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XF-12 Naca wind tunnel testing
0 kommentarerTo meet the performance requirem...
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XF-12 collapsed under carriage.
0 kommentarerThe XF-12 was an impressive airc...