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Piasecki YH-21 Work Horse prototype
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Piasecki YH-21 Work Horse prototype
USAF Piasecki Yh-21 Work Horse Prototype Parked Date: 1950s
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Boeing Helicopter Piasecki Prototype Randolph Retriever Rotor Tandem Tandem Helicopter Tandem Rotor Texas Usaf Vertol 1247
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In this black-and-white photograph, the Piasecki YH-21 Work Horse prototype, registration number 1247, stands proudly at Randolph Air Force Base in Texas during the 1950s. The YH-21 was an advanced military helicopter developed by the Piasecki Helicopter Corporation, a pioneering aeronautical company that would later merge with Boeing and Vertol. The Piasecki YH-21 was a tandem rotor helicopter, featuring two large counter-rotating rotors that provided enhanced lift and stability. This design was a significant departure from conventional helicopter configurations of the time and was a testament to Piasecki's innovative engineering. The YH-21 was also notable for its spacious cabin, which could accommodate up to 24 troops or 12 litters, making it an ideal platform for search and rescue, medical evacuation, and troop transport missions. The YH-21 was the precursor to several successful military helicopter models, including the UH-25A Huey and the PV-18. The helicopter's versatility and reliability made it a valuable asset to the United States Air Force, and it saw extensive use during the Vietnam War. This photograph captures a moment in history when aviation technology was pushing the boundaries of what was possible, and the Piasecki YH-21 Work Horse was at the forefront of that innovation. This photograph is a fascinating glimpse into the past, offering a unique perspective on the development of military helicopter technology during the 1950s. The Piasecki YH-21 Work Horse prototype, with its powerful tandem rotors and spacious cabin, represents a pivotal moment in the evolution of helicopter design and military aviation as a whole.
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