{"product_id":"anigrand-craftswork-anig2024-1-72-mcdonnell-xhjd-1-twin-rotor-helicopter","title":"Anigrand Craftswork ANIG2024 1:72 McDonnell XHJD-1 twin rotor helicopter","description":"McDonnell XHJD-1 twin rotor helicopter. In 1944, U.S. Navy launched a competition that called for a large rescue helicopter which could carry up to 10 occupants. McDonnell was determined to win a new Navy contract as the company only had sub-contract jobs at the war time. With investment in Platt LePage Aircraft Co., McDonnell was allowed to learn helicopter techniques and developed its own design, Model 65. Considering a most suitable configuration for a large helicopter, it was fitted with twin side-by-side rotors mounted at the end of main wings. In 1945, McDonnell proposed the project to Navy and was rewarded contract for construction of one test bed, designated XHJD-1. First flight was made on April 1946. It became the world's first successful t win-engines, twin rotors helicopter. From 1946 to 1951, XHJD-1 was tested for numerous flying researches peculiar to its twin-rotor configuration. Upon completion of its trails program, the XHJD-1 was then retired and was donated to the National Air and Space Museum","brand":"Anigrand Craftswork","offers":[{"title":"Default Title","offer_id":53773763510609,"sku":"ANIG2024","price":67.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4992\/2129\/files\/ANIG7224.jpg?v=1778725488","url":"https:\/\/www.jadlamracingmodels.com\/products\/anigrand-craftswork-anig2024-1-72-mcdonnell-xhjd-1-twin-rotor-helicopter","provider":"Jadlam Toys \u0026 Models","version":"1.0","type":"link"}