the Bell L-39, a modified P-39 Airacobra used to investigate low-speed characteristics of swept wings, circa 1946
(via tailkhook topics)
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xplanes: the Bell L-39, a modified P-39 Airacobra used to...
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the Bell L-39, a modified P-39 Airacobra used to investigate low-speed characteristics of swept wings, circa 1946
(via tailkhook topics)