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Aviation History
1944
1944 - 0019.PDF
JANUARY 6TH, 1944 FLIGHT I valve liquid-cooled engine, which is in the 2,000 h.p. class. The arma ment may comprise 12 machine guns in the wings. This version is known as the Mark la. Or it may be four 20 mm. cannon, as in the Mark lb, plus two 500 lb. special blast bombs. The Typhoon has wrought great havoc on the enemy, and in spite of the great load carried it is very manoeuvrable, notwithstanding the fact that the wing loading is 44 lb./sq. ft. Pilots claim that they can turn "inside" the Fw 190. % Ad Astra So far the Napier Sabre remains the only new engine to be "released," but the Rolls-Royce Merlin 61 in the Si tfire IX is giving excellent service, its two-speed, two-stage blower giving a range of operational altitudes which is extremely useful. Incidentally, it is of interest to recall that the Spitfire IX is now operational with both the very pointed wing tips for altitude work ' and with the '' clipped'' tips for increased manoeuvrability. Reviewing the position generally, it is found that, there has been a ten dency to increase wing loadings. This is natural in view of the fact that -#^ore and more load is being de manded from practically all classes of aircraft. The use of runways has made this increase possible, and it is fortunate that the skill of pilots has kept pace with the extra handling difficulties.. In spite of this, however, it is obvious that there are limits beyond which it is unwise to go. The Bristol Bisley, for example, really started life as the moderately loaded Blenheim, but so much "junk" has One of the essentials of a good torpedo-dropping aircraft is the ability to approach fast and to lose speed quickly while the torpedo is actually re leased. In the Beau- fighter this is achieved by bellows flap brakes, which are operated by the slip stream. HORIZONTAL WATER PASSACE5 INTERCOOLER INLET 8RANCH OF INTERCOOLER INTERSTAGE WATER COOUNC PASSACES A Flight copyright sketch of the two- stage supercharger on the Rolls- Royce Merlin 61. This engine, allied to slight alterations in our fighters' wing-form, has given us the greatest opera tional heights. The Supermarine Spitfire which, with two or four .cannon, clipped, normal or pointed wings, as fighter-bomber or height-cover aircraft, is as new to-day as it was eight years ago.
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