McDonnell XHJH Whirlaway
Код 2446192
- ISBN: 978-5-5118-3637-9
Код 2446192
High Quality Content by WIKIPEDIA articles! The McDonnell XHJH Whirlaway was a 1940s American experimental twin-rotor helicopter designed and built by McDonnell Aircraft for the United States Navy. It was the first successful twin-engined, twin rotor helicopter in the world. The Whirlaway was the largest helicopter flown up to that time.
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