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第二次世界大战期间,当大西洋的战斗即将落幕的时候,央国海军部意识到未来他们仍需要一种高性能的专用反潜飞机.随即开始了新一代反潜机的招标工作,在提交给海军的众多方案中,费尔雷航空公司计划以非常著名的萤火虫式战斗机为原型,研制一种以同轴反转螺旋桨驱动的新型飞机。当时海军部认为新型反潜机安装的航电设备应当比二战中所使用的设备更为先进。1945年底,他们给这种新飞机一个代号——GR.17/45,费尔雷公司发现,他们正在研发的新飞机非常适合携带新型电子设备,他们还用阿姆斯特朗-西德利公司生产的“双曼巴”涡轮螺旋桨发动机代替了仍未研制成功的“默林”活塞式发动机,这时费尔雷公司的竞争对手布莱克本公司也向海军部递交了他们的设计方案——YB.1费尔雷公司则向海军部递交了被称为Q型的最终改进设计方案,1946年8月,海军部允许布莱克本和费尔雷两家公司各自研制自己的样机,经过了三年多的时间,费尔雷公司于1949年9月开始在位于海斯的工厂装配第一架Q型试验样机,并于9月19日在奥尔德马斯顿进行了试飞,早期的试飞暴露出Q型飞机
During the Second World War, when the battle of the Atlantic was coming to an end, the Central Admiralty Department realized they would still need a high-performance dedicated anti-submarine aircraft in the future, and immediately started the bidding for a new generation of anti-submarine aircraft. Among the many options, Fairleigh Airlines plans to prototype a very popular Firefly aircraft and develop a new type of aircraft powered by a coaxial inverting propeller. At that time, the Navy Department believed that the new avionics-mounted antisubmarine aircraft should be more advanced than those used in World War II. At the end of 1945, they gave the new aircraft a symbol - GR.17 / 45 and Fairey found that the new aircraft they were developing was ideal for carrying new types of electronic equipment. They also used Armstrong-Sidley's The “Double Mamba” turboprop replaces the “Merlin” piston engine, which was not yet developed when Ferrell's rival Blackburn, Inc., submitted its design proposal to the Navy - YB.1 Fairey submitted to the Department of the Navy the so-called Q-type final improvement design. In August 1946, the Admiralty allowed Blackburn and Ferrell to develop their own prototypes. After three For so many years, Ferrell began assembling the first prototype Q at the Hayes plant in September 1949 and conducted a test flight at Alder Marston on September 19, Q type aircraft exposed