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Blackburn YA. 7 WB781
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Blackburn YA. 7 WB781
Blackburn YA.7 WB781 (msn 5615), on the Royal Aircraft Establishment Farnborough fire dump (struck off charge on 18 May 1955). (Note: Below the rear cockpit can be seen a blanked-off exhaust of the intended Napier Coupled Naiad turboprop Engine. Also, in the background the badly damaged fuselage of YA.8 WB788 can be seen, already partly consumed by fire). The Blackburn B-54 (company designation), or YA.5 (SBAC designation), was designed to meet Specification GR.17/45 for an advanced carrier-borne anti-submarine aircraft, competing with the Fairey 17 (later - Fairey Gannet). The original Y.A.5 was designed to take the new Napier Coupled Naiad turboprop Engine, consisting of two single Naiads driving contra-rotating propellers through a common gearbox. This Engine was cancelled, so the Y.A.5 flew as the Y.A.7 with a Rolls Royce Griffon 56 piston Engine driving contra-rotating propellers. B-54 / YA.7 WB781 - 2-seat - first flown 20 September 1949 - RR Griffon piston Engine B-54 / YA.8 WB788 - 3-seat - first flown 3 May 1950 - RR Griffon piston Engine B-88 / YB.1 WB797 - 3-seat - first flown 19 July 1950 - Armstrong Siddeley Double Mamba turboprop Engine. Date: circa 1957
Media ID 21130743
© The Peter Butt Aviation Collection / Mary Evans
1949 1950 1955 1957 2 Seat Advanced Anti Submarine Armstrong Badly Blackburn Cancelled Charge Cockpit Common Competing Consisting Consumed Coupled Damaged Designation Double Driving Dump Establishment Exhaust Fairey Farnborough Flew Flown Fuselage Gannet Griffon Intended Mamba Meet Naiad Naiads Napier Note Partly Piston Propellers Rear Rolls Royce Sbac Siddeley Specification Struck Turboprop
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