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russian aircraft of ww2 | Bi-1 soviet WW2 experimental rocket plane image - Aircraft Lovers ...

russian aircraft of ww2 | Bi-1 soviet WW2 experimental rocket plane image - Aircraft Lovers ...

Bereznyak-Isaev BI-1 (1942) Soviet rocket fighter prototype. 6 prototypes were built. https://en.m.wikipedia.org/wiki/Bereznyak-Isayev_BI-1

Bereznyak-Isaev BI-1 (1942) Soviet rocket fighter prototype. 6 prototypes were built. https://en.m.wikipedia.org/wiki/Bereznyak-Isayev_BI-1

Bell P-59B Airacomet at the National Museum of the United States Air Force - P-59 (航空機) - Wikipedia

Bell P-59B Airacomet at the National Museum of the United States Air Force - P-59 (航空機) - Wikipedia

To maintain secrecy, prototype Airacomets were towed to and from the flightline with a fake propeller and a cover over the engine exhausts and intakes. (U.S. Air Force photo)

To maintain secrecy, prototype Airacomets were towed to and from the flightline with a fake propeller and a cover over the engine exhausts and intakes. (U.S. Air Force photo)

On June 20,1939,the first rocket plane He 176 made its initial flight under strict secrecy. The power engine designed by Hellmuth Walter developed sufficient for about 466 mph. "Those aren't wings," Ernst Udet sneered for the first time, "they're rails." Udet was told that Lippisch had already done considerable work on flying wings and delta wings, but the veteran airman thought more of rattly piston engines and sturdy conventional wings.

On June 20,1939,the first rocket plane He 176 made its initial flight under strict secrecy. The power engine designed by Hellmuth Walter developed sufficient for about 466 mph. "Those aren't wings," Ernst Udet sneered for the first time, "they're rails." Udet was told that Lippisch had already done considerable work on flying wings and delta wings, but the veteran airman thought more of rattly piston engines and sturdy conventional wings.

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