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Aviation History
1964
1964 - 1308.PDF
fLIGHT International, 30 April 1964 23 new addition -bo the Bristol Siddeley range ^ of gas turbines Bristol Siddeley have signed an agree- ment with General Electric Company of the United States for the manufacture of the 2850 shp T64 turbine engine. This engine, designated T64BS, represents an important addition to the Bristol Siddeley range. It extends the power bracket, at present covered by the Gnome, towards 3000 shp and, by development, to over 4000 shp. The T64BS is available in turboshaft and turboprop versions. With a high power to weight ratio, compact dimensions and an extremely low specific fuel consumption, the T64BS has important appli- cations in Europe for the new generation of large helicopters and for medium size propeller-driven STOL transports. T64BS BACKGROUND AND SPECIFICATIONS The T64 is a proven design with over 18,000 development and flying hours behind it. Both turboprop and turboshaft versions have received 150 hour model test approval by the United States Navy and are now in production for the Sikorsky CH-53A Heavy Assault Helicopter, the Vought-Hiller-Ryan XC-142A tri-service VTOL transport and the de Havilland CV-7A Buffalo Army STOL transport. T64 gas generators have also been supplied for the Hughes XV-9A Army hot-cycle research helicopter. LEADING PARTICULARS Maximum shp Sfc Military shp Sfc Airflow (Ib/sec) Pressure Ratio Weight (lbs) Horsepower/Weight Maximum height (in) Length (in) TURBOSHAFT "TURBOPROP T64-6 2850 0.495 2690 0.499 24.5 12.6:1 723 3.94 30.0 83.4 T64-10 2850 0.490 2650 0.500 24.5 12.6:1 1167 2.45 46.0 113.0 *Turboprop performance is eshp and esfc de Havilland Caribou—T64 flight test aircraft BRISTOL SIDDELEY SUPPLY THE POWER Bristol Siddeley Engines Ltd. Leavesden, Hertfordshire
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