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Aviation History
1929
1929-1 - 0732.PDF
FLIGHT, AUGUST S, 192 > Just a few of the aero instruments and acces- sories exhibited by Marabini Aviation, Paris. The compass used by Rene Lefevre, J. Assolant, and A. Lotti for their Atlantic flight is seen on the left. from the cockpit during flight. The Haw propellers are of variable-pitch with two, three or four blades, some designed for aircraft and others for ventilation. Other German companies exhibited aerial photographs and models of aero- dromes.Phylax Feuerlosch-Automaten-Bau, Gesellschaft m.b.H., Fehrhellinerstrasse 47/48, Berlin N.54, Ger- many :—This was a foreign exhibit of fire-extinguishers of the Phylax design. There was an automatic dry extinguisher and hand type for all purposes. The " Phylax Aero Type " was classed as automatic, electric or hand-operated, in 1-litre and 2-litre sizes. Tensometer Huggenberger, Zurich :—This tensometer is manufactured in three types : A, for laboratory utility ; B, for field and works purposes ; whilst C is suitable when a greater range of movement is desired. Through the aid. of fixing devices the instrument can be quickly mounted in any position. It is stated that no structure or material is too large or too small or too oddly shaped for the tensometer to be set upon, whilst extension bars can alter the gauge length as it is desired. Italian Air Ministry :—Perhaps the most interesting accessory exhibit here was the large plaster model of the Benito Mussolini " Medical Institute, with its pneumatic chamber for testing the physique, nerve system and general aptitude of the air pilot. The Institute, by the way, is now being built at Monte Celio, Rome. There were also " Spiga " and " Pirelli " landing wheels on view, whilst a Garelli air compressor for engine starting was a prominent exhibit of technical interest. Italian scale models of aircraft had an historic appeal, for they included the " Santa Maria," a type extensively used by be Pinedo, and the S.64, flown" by <~apt. Ferrarin and Major Del Prete when they made their duration record. Several propellers, radiators and aero- dynamic testing apparatus were also shown. Sweden :—A collective exhibit of Swedish aviation societies and companies were featured to attract attention towards Swedish aviation. The Royal Swedish Institute exhibited a machine constructed for investigating the influence of corrosion on the fatigue strength of metals. Une understood that the experts amongst the visitors to he Stand were particularly interested in the new Paulin instruments, such as the altimeters and barometers. Various Prominent Swedish steel companies exhibited their aircraft manufactures, amongst which stainless steel was an important Proc.uct. Models of Swedish aircraft which took part in the • earch for the Italia airship in the Arctic last year were exhibited "> M'enska Aero A.B., of Stockholm, with aerial photo- S iphs of the desolate Arctic scene where the Italians were drooned AB- Aerotransport, of Stockholm, which or- !av S air transPort systems in the country and beyond, an ev'dence of its fine record of five years' flying without Swe '<X Tllis is the larSest air transport company in from"sr ^ 'ar8e maP traced the main air routes radiating•wh; \ oc*h°lm, the most important route being to London, which ^covered in nine hours. This Swedish company had a separate exhibit. It constructs Junkers all-metal aircraft of military and civil designs, under licence from Junkers. Two models of Junker aircraft were exhibited, namely, the Junkers K.47 high performance two-seater low- wing monoplane (Bristol " Jupiter "), and the Junkers K.37 low-wing monoplane (twin " Jupiters ") general-purpose machine. K.37 was a working model. The model "Jupiter " engine revolved, and the dummy observer was made to manoeuvre the machine gun to show the wide firing range. Guests at the Heston Aerial Garden Party on July 20 had A B. Flygindustri, Malmo, Sweden :— Various types of metal airscrews were shown by Haw-Propellerbau G.m.b.H. of Berlin. the pleasure of observing the originals of these models in action. The Junkers K.47 won third place in the Interna- tional Aerobatic Competition, piloted by Herr Neuenhofer. Both machines are now in production in Sweden. An excellent film of them in flight was one of the attractions of the Stand. Carl H. Lundholm, A.-B., Stockholm :—The " Robur ', S61
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