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Aviation History
1936
1936 - 1730.PDF
JUNE 25, 1936. FLIGHT. 703 stub wing of the Phoenix five-seater monoplane. This component is a pivotal feature of the design, providing an efficient bracing scheme for the wing structure as a whole, together with a good base and neat housing for a wide- track retractable undercarriage. The latter is a Dowty system of hydraulic inboard retraction, which is shown in actual operating condition, complete with hydraulic pump, control box and dashboard indicator showing the exact position of the undercarriage at all times; there is also a red light warning device which lights immediately the engine, is throttled back, and continues to glow until the wheels are in the fully down position. The time of retraction is 12 seconds, and of lowering 8 seconds. The undercarriage consists of semi-canti lever shock-absorber struts, braced fore and aft by rear bracing struts and side- way^ by the retracting strut. The side "V" structure rotates on a horizontal cross tube mounted between the front and rear spars. The retracting strut comprises two opposed hydraulic jacks, which fold the strut back on itself with a "nutcracker" action, thus lifting the lower end of the shock strut upwards and inwards. The wheels retract snugly between the spars, and the openings in the underside of the stub are covered by wheel shields. A photograph appears on page 698. The Heston Aircraft Co., Ltd., Heston Airport RHODOID (Stand 52)—Exhibited by the makers, May and Baker, Ltd., Rhodoid transparent sheets are supplied to the aircraft industry in thicknesses from imm. (40/ioooin.) to 6mm. (Jin.) for the manufacture of windscreens and windows. Rhodoid can be formed or moulded for curved windscreeens, gun turret windows, etc. Transparent sheets are also supplied in thinner substances for inspection panels, draining eyelets and instrument and chart covers. Rhodoid is also supplied in black, white and opaque colours, which are used for instruction plates and labels. Black sheeting is also used extensively for moulded fairings. In all forms it is non-inflammable, con forming with the British Standards Institute Specification F.56. The trans parent sheets are of excellent clarity, and no discoloration is noticeable, even after prolonged exposure. Makers: May and Baker, Ltd., Dagenham, Essex. ROTHERHAM (Stand 9). — Well- known makers of pipe-line fittings, this firm will exhibit a typical range of unions, filler caps, strainers, flanges, etc. The exhibit will also include the Rother- ham mechanical air pump, which, de- M,Q@G!nJ STAND 27 Photographs of modern aircraft, and other striking pictures typical of the work of Flight's photographic staff, will be a feature of our own exhibit at the S.B.A.C. Show. Copies cf Flight and of the book Squadrons of the Royal Air Fore? will be displayed. signed for a windmill drive, gives an adjustable range of pressure from one to ten pounds per square inch. All working parts are completely enclosed and dustproof, and the pump has been extensively used on numerous types of aircraft. Makers: Rotherham and Sons, Ltd., Coventry. RUBERY, OWEN (Stand 11).— This firm, which claims the honour of being Great Britain's largest manufacturers of A.G.S. parts, will show general aircraft accessories, such as bolts, nuts, washers, eyebolts, studs, fork joints, turnbuckles, spring washers, thimbles, shackles, * shackle pins and screws; there will also be a selection of pressings and release gears. Makers: Rubery, Owen and Co., Ltd., Darlaslon, Staffs. SIEBE GORMAN (Stand 2) —This exhibit will consist of high-altitude oxy gen kit, electrically heated clothing, gunners' safety harness, flotation life jackets, and an inflatable , dinghy. Makers: Siebe Gorman and Co., Ltd., 187, Westminster Bridge Road, London, S.E.i. 1 SHORT BROTHERS (Stand 63).— One of several firms of aircraft construc tors also to be represented in the static show, the famous Rochester concern will exhibit an " Empire " boat wing-tip float; a model of the " Singapore " Mark III. boat; a model of the Scion; and various framed and coloured photo graphic enlargements of Short aircraft. Makers: Short Bros., (Rochester and Bedford) Ltd., Rochester, Kent. SMITH'S INSTRUMENTS (2.3, 24. 25).—In addition to the items under other headings to be shown by this firm, mention must be made of the Frazer- Nash wing-tip flare device, which, with its ingenious enclosing and shielding device, removes the only objection to this type of illuminant. Makers: Smith's Aircraft Instruments, Cricklewood, Lon don, N.W.2. VICKERS (Stand 64).— At their Wey- bridge works Vickers make a number of component parts for the industry, including such details as patent fuel and oil cocks, hand and centrifugal fuel pumps, high-pressure air pumps for in flating such things as oleo units and universal pulleys. At their stand will be seen a representative collection of such important items. Makers: Vickers (Aviation), Ltd., Vickers House, Broad way, Westminster, S.W.I. WILLIAMSON EAGLE CAMERAS (Stand 79).—The makers of these famous instruments will show their prin cipal range of models. There will be the Eagle III., for survey, military and pic torial work, automatically giving 125 jin x jin. exposures; the Eagle IV., for survey and military work, automatically giving 200 18cm. x 24 cm. exposures and taking lenses up to 30m. focus; the P. 14 hand-held camera, for commercial and pictorial aerial photography; the pistol camera, for aerial snapshotting; the famous Williamson camera gun which has proved of such value in air gunnery training; and the Eagle stereo plotter, for the production of accurate maps and contours from pairs of air photographs. Makers: Williamson Manufacturing Co., Ltd., Litchfield Gardens, London, N.W.10. SIR ISAAC PITMAN (Stand 46).—In addition to those useful reference works, the Air Annual of the British Empire, the Encyclopaedia of Aviation, and the Handbook of Aeronautics, these well- known publishers will display their full range of practical technical books on various aspects of aeronautical engineer ing. Publishers: Sir Isaac Pitman and Sons, Ltd., Parker Street, Ringsway, London, W.C.2. A.C. SPHINX (Stand 80).—Sparking plugs of various types suitable for aero engines, silencers, air cleaners, fuel pumps, petrol gauges, air filters and tachometers will be on this stand. Makers: A.C. Sphinx, Ltd., Dunstable, Bedfordshire. AIRSPEED (Stand 46).—Models of twin-engined transport monoplanes and component parts of the Envoy Series II monoplane which, with Cheetah IX engines, does 211 m.p.h., have been chosen for the exhibit of this company. Makers: Airspeed (1934)- Ltd., Ports mouth Airport. R. AND J. PARK, LTD. (Stand 45). —This stand is a shipping information bureau operated by R. and J. Park, Ltd., shipping agents, 143, Fenchurcb Street, London, E.C.3. Unification TAUGHT learns that Mr. F. S. Spriggs. of Hawker Siddeley JT Aircraft, Ltd., has now assumed complete control of the organisation of the Armstrong group at Coventry, A. V. Roe and Co., Ltd., of Manchester, and Air Service Training, of Hamble. Mr. H. K. Jones has been elected a director of Hawker Siddeley Aircraft, Ltd. These appointments should constitute a big step in the unification and direction of its activities. Car Touring and Photography M OTORISTS and amateur photographers—whose interests often overlap with each other, and also with those of flying folk—are especially well catered for in two of our asso ciated journals appearing this week. In the first place, to morrow'« (June 2G) Summer Number of The Autocar is of great assistance to everyone planning a summer tour by car. The Royal Automobile Club, the Royal Scottish Automobile Club, the Royal Irish Automobile Club, the Ulster Automobile Club, and the Automobile Association have each contributed specia) suggestions for a tour. Secondly, during the last few years the vogue of the miniature camera has increased by leaps and bounds. This is easy to understand when it is realised that outstanding results are obtainable with these pocket instru ments. There is now a very large choice of such cameras at widely differing costs, and a fully illustrated review of all types on the British market is the special feature of The Amateur Photo grapher of June 24. Miniature Leopard Moth's Victory AT the Gala Day of the Northern Heights Model Flying Club, held last Sunday at Fairey's Heath Row Aerodrome, the Flight challenge cup in the Flying Scale Model Contest was won by Mr. W. L. Henery. His D.H. Leopard Moth made three flights totalling 116.8 sec, and gained a number of points for accuracy and workmanship.
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