Testing problems of vector thrust turbofans arising from incorporation of thrust deflection by means of rotating jet nozzles; details of test bed installed at Bristol Siddeley Engines to test Pegasus engines; interior of cell is 130 ft long, 39 ft wide and 44 ft high; problem in designing cell was layout of exhaust ducting; solution lay in construction of 4 separate manifolds, each 16 ft high, which extend from ground level to full height of nozzles when they are in horizontal position; round-the-clock testing is possible with nozzles operated in same manner as in flight and with minimum perceptible noise level outside bed. (see also Aircraft Production v 25 n 3 Mar 1963 p 91; Aircraft Eng v 35 n 3 Mar 1963 p 77)
VTOL turbofan test-bed
Flight
Flight ; 83 , n 2813
1963
Article (Journal)
English
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Engineering Index Backfile | 1963
Engineering Index Backfile | 1963
An all turbofan VTOL or STOL intercity transport
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