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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Bristol T.T.A. ： ウィキペディア英語版 Bristol T.T.A. The Bristol Type 6 T.T.A was a British two-seat, twin-engine biplane designed in 1915 as a defence fighter. Two prototypes were built, but the T.T. did not go into production. ==Development== The Bristol T.T.A was designed in 1915 to a War Office requirement for a local defence aircraft. The T.T.A was a two-seat, twin-engine biplane with ''T.T.'' standing for twin tractor; the Bristol Type number 6 was added retrospectively in 1923. The guiding principles in the design were compactness and a wide field of fire from both cockpits. The T.T.A was an unswept biplane with slight stagger, the wings having constant chord and carrying long ailerons on the upper planes. The wings were of three-bay construction, the inner interplane struts supporting the engines in rectangular nacelles mid-way between the wings. Twin-wheeled undercarriage units were mounted below each engine, with a tailskid and a nose skid to prevent nosing over. The large area tailplane was the same shape as that of the Scout D, with the same unbalanced elevators, but the finless rudder was balanced. The gunner sat in a cockpit right in the nose of the aircraft, armed with two free-mounted 0.303 in (7.7 mm) Lewis Guns. The pilot, sited behind the wing trailing edge, had a rear pointing Lewis gun.〔 The original design (the Bristol T.T.) envisaged the use of two 150 hp (110 kW) R.A.F. 4a engines, but the B.E.12 and R.E.8 aircraft had been given priority for these engines and Bristol were advised to use 120 hp (90 kW) Beardmore engines. With these engines, the aircraft was designated T.T.A, two prototypes were ordered and the first completed on the 26 April 1916. The second followed in May, and both aircraft flew to Upavon for service tests. Top speed and climb rate were better than the T.T.'s higher powered but larger competitor, the F.E.4, but the aircraft was not liked and gained no production orders.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bristol T.T.A.」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.