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Aviation History
1938
1938 - 1531.PDF
MAY 26, 1938. FLIGHT. 525 Engines (Continued) (Left) ••.-.•:..;' Rolls-Royce Merlin II, twelve-cylinder, liquid-cooled. Rating 990 h.p. at 12,000 ft. ; max.1,050 h.p. at 16,000 ft. ; take-off, 890 h.p. Merlin I figures aresimilar and Merlin III and M.S. engines have been developed.Merlin X with two-speed super- charger, 1,040 h.p. at 2,500 ft.and 965 h.p. at 13,250 ft. • - • -•••>. (Below)Armstrong Siddeley Tiger VIII two-row, fourteen cylinder radial with two-speed supercharger. Normal ratings, 840h.p. at 6,200 ft. and 756 h.p. at 12,800 ft. ; max., 782 h.p. at 15,000 ft.; take-off, 918 h.p. The Tiger IX is medium super-,charged, max. output 805 h.p. at 6,250 ft. (Above) The Bristol Pegasus XVIII nine-cylinder radial with two-speed supercharger. Normal ratings, 884 h.p. at 5,000 ft. and 800 h.p. at 15,500 ft. ; max., 900 h.p. at 17,750 ft. ; take-off, 980 h.p. Other recent Pegasus models are the XX, fully supercharged, max., 925 h.p. at 10,000 ft. ; and theXXII, medium supercharged, max. 915 h.p. at 6,250 ft. ; take-off, 1,010 h.p. The rather smaller nine-cylinderMercury is fully supercharged as the VII and IX (rating, 830 h.p. at 13,000 ft.) and medium supercharged as the XIand XII (rating 820 h.p. at 3,500 ft.). EMPIRE AIR DAY—A WEEK EARLY TAONCASTER'S airport held its Empire Air Day Display•*-' last Saturday. The date had been advanced one week so as not to interfere with the Summer Race Meeting,an important local event which takes place next Saturday. It would, however, have been difficult to choose a better dayfor the job. Over twelve hours' sunshine were recorded, and a very large crowd were present during the afternoon andevening. The number of turnstiles at the entrances had to be increased from five to eleven, and it is hoped to hand overabout three hundred pounds to the Benevolent Fund. In the aircraft parks the public were able to inspect examplesof many of the latest R.A.F. machines, and a representative collection of civil aircraft. The flying programme was also of a very high standard.Individual aerobatics were carried out by a Hawker Hind, a Gloster Gauntlet, and a Comper Swift, while a flight of Furiesof No. 41 (F) Squadron gave a display of flight aerobatics. This was undoubtedly the outstanding item of the whole after-noon, though the attention of the spectators was held through- out the display by one or other of the fifty-five aircraft whichwere present. Over two hundred people took joy-rides with North-EasternAirways, and the Mayor of Doncaster flew with Capt. Anderson in a Rapide and addressed the public by relayed radio-tele-phony. The Weir Aero Engine , r • A RRANGEMENTS have just been completed for transfer- A ring the entire manuiacture and marketing of the 50-h.p. Weir aero engine to Aero Engines, Ltd., of Kingswood, Bris- tol. G. and J. Weir, Ltd., are so busy on rotating-wing aircraft that they have not the time to develop the engine. It is to be hoped that Aero Engines will soon be in a position to announce that manufacture has started. Hysterics and Hell Dives WE would give a good deal to hear the comments of GeorgeBulman on the film Test Pilot, now running at the Empire, Leicester Square. Gable, Loy and Tracy throw someplain and fancy hysterics, in and out of their cups, and Gable, as the seemingly incorrigible test pilot, is represented in thecockpit of a Seversky P-35, a Northrop A-17A, a Boeing B-17B four-engined bomber and what appears to be the Twin-Wasp-Junior-powered Keith Rider racer. But whatever one's opinion of the jhistrionics (of which thereis far too much), the flying shots (of whjch there are too few) are tip-top. A forced landing in the Seversky, "roundthe sticks" in the Keith Rider and spinning down from 30,000ft. in the Boeing, levelling put just in time to mow downa forest, are all presented with uncomfortable realism.
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