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Aviation History
1935
1935 - 0272.PDF
ADVERTISEMENTS JANUARY 31, I( 35 PEGASUS III AIRCOOLED ENGINE is designed to operate on the service fuel of 87 minimum octane value and has an exception ally attractive power output for take-off and climb. Although the supercharger is of the medium speed type and maintains normal pressure in the induction system up to 4,750 ft. at maximum r.p.m., full throttle power is available for take-off and climb. In view of these characteristics, this engine is suitable for a wide range of aircraft covering general service types, marine aircraft and certain civil machines where a good performance at altitude is necessary. PEGASUS Ml ENGINE. The standard reduction gear for this engine is 0.5. but alternative ratios of 0.572 and 0.444 are ato available if desired. PERFORMANCE DATA. Normal Engine r.p.m 2,200 Maximum Engine r.p.m. ... 2,525 B.H.P. for fake-off at Sea Level at normal r.p.m. 750/775 Rated Output at normal r.p.m.665/690at 3,500 feet B.H.P. at maximum r.p.m. Fuel Specification Minimum octane value 725/750at 4,750 feet D.T.D.230 87 Designed and Manufactured by THE BRISTOL AEROPLANE CO., LTD., FILTON, BRISTOL. Telegrams: "Aviation, Bristol.' Telephone : Bristol 45051. c ato yo ezo 800 720 %0 740 720 700 CSU UA uo <x ICO sso yjj 3J0 520 30C 480 t'Jj WO 4£0 400 ^ ,^ •-\ v V- ^> ** ^ t - \ \ \ \ V ^ V <" V ^ \ \ \ \ \ S \ X 4- s \ \ \ \ c DC ^ ^ N^ X Na ^c h<& IN THOUSANDS 6 10 c s X? PI b X \p 1 ^7 X 0 \ b \ A ^' •ECT IE "v 14 X X rs s; v N s. s Ifc \ \ \ SiO un wn aoo 780 7t0 74 n mi Ml UD Ufl uo 1 a: LED [flO HO •M S40 KB 500 w 4L0 va m 9 0 Z 4 t 8 10 IE 14 I ALTITUDE IN THOUSANDS FEET PEGASUS III. POWER AT ALTITUDE. STANDARD TEMPERATURE 8, PRESSURE CONDITIONS. FUEL 87 OCTANE. POWER AVAILABLE FOR TAKE OFF AND CLIMB POWER AVAILABLE WHEN RATED BOOST IS NOT EXCEEDED. Printed in England ior the Proprietors and Publishers, FLIGHT PUBLISHING COMPANY LIMITED, Dorset House, Stamford Street, London, S.E.I, 't.roitli CORNWALL PRESS LTD., 1-6, Paris Garden, Stamford Street, London, S.E.I. "Flight" can be obtained abroad from the following: FRANCE: W. t -, sl BELGIUM : W. H. Smith & Son, 71-75, Boulevard Adolpi island). Adel JS.A.), P LW-AJ^.aJll Lt fi'ad & Son, 248, Rue Rivoli, Paris; Haehette et Cie, Rue Reaumur, Paris, and branehe; Brussels AUSTRALIA : Gordon k Gotch, Ltd., Melbourne (Victoria), Sydney (N.S.W.), *. (Tasmania). NEW ZEALAND: Gordon & Gotch, Ltd., Wellington, Auckland. Christchurrh and Dunedin. INDIA: A. H. Wheeler & Co., Bombay, A * and Calcutta. CANADA: Imperial News Co., Toronto, Winnipeg and Vancouver: Benjamin News Co., Montreal; Gordon & Gotch, Ltd., Toronto. SOUTH - ^ Central News Agency, Ltd. UNITED STATES: The International News Co. New York. Entered at New York Post Office as second-class ma'.
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