Improvements in or relating to aircraft

摘要: 912,925. Aircraft. BRISTOL SIDDELEY ENGINES Ltd. Aug. 5, 1960 [Aug. 1959], No. 26825/59. Class 4. An aircraft comprises a body 1 having wings 2, 3, propulsion means for producing resultant propulsive thrust which acts through the centre of gravity 4, control adjusting direction in acts, and storage 14, 15 fuel, being capable supporting at cruising speed flight sea-level when is empty but not its all-up weight. A gas-turbine engine 8 drives an axial-flow compressor 9 from part compressed air enters remainder discharged nozzles 12, 13. The exhaust gases are 10, 11. lever 50. controls supply to servo motor 33 which, by gear boxes 34, 35, 44 drive shafts 32a, 32b, sprocket chain drives, rotates 10 13 unison, these controlled 52 on Roll effected lateral movement column 61 operates valve 67 pipes 18, 19 17a, 17b mounted wing tips. Nozzles 20, 21 pivotally nose tail supplied 55, 57 58 with air, 56 itself fore-and-aft effect pitch aircraft. may also be rotated opposite directions pedal 65 yawing. In alternative embodiments, incidence varied, fins provided surfaces operated stick. Specification 881,662 referred to.