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Scimitar syndrome, or congenital pulmonary venolobar syndrome, is a rare congenital heart defect characterized by anomalous venous return from the right lung (to the systemic venous drainage, rather than directly to the left atrium). [1] This anomalous pulmonary venous return can be either partial (PAPVR) or total (TAPVR).
The A.W.35 Scimitar was a development of Armstrong Whitworth's earlier Armstrong Whitworth A.W.16 fighter, powered by an Armstrong Siddeley Panther engine, with a lowered nose decking and an enlarged fin and rudder. The first prototype (G-ACCD) was a modification of the second A.W.16, and first flew in this form on 29 April 1935. [1]
The Armstrong Whitworth A.W.16 (or A.W.XVI) was a single-engine biplane fighter aircraft designed and built by the British aircraft manufacturer Armstrong Whitworth Aircraft. It was a single bay biplane with wings of unequal span braced with N -type interwing struts, and bore a close family resemblance to the A.W.XIV Starling Mk I, though with ...
A. Armstrong Whitworth A.W.14; Armstrong Whitworth A.W.15; Armstrong Whitworth A.W.16; Armstrong Whitworth A.W.19; Armstrong Whitworth A.W.23; Armstrong Whitworth A.W.27
The company was founded by William Armstrong in 1847, becoming Armstrong Mitchell and then Armstrong Whitworth through mergers. In 1927, it merged with Vickers Limited to form Vickers-Armstrongs , with its automobile and aircraft interests purchased by J D Siddeley .
This left two aircraft companies with Armstrong in the name – Vickers-Armstrongs (usually known as just "Vickers") and "Armstrong-Whitworth". The most successful aircraft made by Armstrong-Whitworth in the inter-war period was the Siskin which first flew in 1919 and remained in RAF service until 1932, with 485 produced.
The Armstrong Whitworth A.W.19 was one of the latter group. [4] The A.W.19 [5] was a single-engine single-bay biplane with unswept, constant chord wings of mild stagger. The wings were fabric covered over a structure built up around rolled-steel strip spars and aluminium alloy ribs.
Sir W. G. Armstrong Whitworth & Company (1912–1920) After merger with Siddeley-Deasy, Sir W. G. Armstrong Whitworth Aircraft Company (1920–1927) Armstrong Whitworth Aircraft (1927–1963)