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Aviation History
1959
1959 - 0843.PDF
Proteus 705 series achieves 2,000 HOURS in under two years' service Proteus first entered airline service less than two years ago. Overhaul life on the 705 series has now reached 2,000 hours—a rate, of increase, never before achieved by any engine, piston or gas turbine. No engine of comparable power in service today has an overhaul life that even approaches this length. Annual engine overhaul costs for BOAC's Britannia 102 aircraft have now been cut by 75 % since the aircraft went into service. Continued development, even lower fuel consumption Further increases will give Proteus even longer overhaul life, entailing even lower operating costs. In addition, new versions of this engine—which already has a lower specific fuel consumption than any other gas turbine in civil or military use—are now giving even more power at an even lower specific fuel consumption. Over 2^ million miles a month in world service Every day, all over the world, Proteus-powered Britannias fly more than 80,000 miles (2J million miles a month), carrying passengers in quiet, speedy luxury, carrying a great variety of freight loads, and bringing profit to operators. Bristol Siddeley ENGINES LIMITED
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