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Aviation History
1950
1950 - 1630.PDF
244 FLIGHT, 31 August 1950 Guide to the S.B.A.C. STATIC SHOW NORTHERN ALUMINIUM CO.,LTD., Banbury, Oxfordshire (Stand 148).—As one of the principalsuppliers of light alloys to the air- craft industry—their products in-cluding sheet, strip, extrusions, tubing, wire, forgings, castings andaluminium paste—the firm will display token exhibits associatedwith these specialities. METROPOLITAN PLYWOODCO., LTD., 18-30, Leonard Street, London, E.C.2 (Stand 137).—Storagecontainers, aircraft flooring and sections, laminated compositepanels, sheet-metal-based and flexi- ble veneers.MOLLART ENGINEERING CO., LTD., Kingston-by-pass, Surbiton,Surrey (Stand 167).—In addition to a complete range of Mollart patentuniversal joints and Hooke's-type joints, a typical application ofsuch couplings in an Airspeed Ambassador control box will bedisplayed. Various precision com- ponents, such as wing-root fittingsand helicopter parts, will be shown, while on the production-equipment side there will be gauges, tools, fixtures and, finally,the new Medigraph perspective drawing instrument.MOND NICKEL CO., LTD., Sun- derland House, Curzon Street, Lon-don, W.I (Stand 78).—It is now possible to disclose the existenceof Nimonic 90 alloy, already in ex- tensive use; blades of thismaterial and perhaps a complete rotor, will be shown. It is claimedthat at a temperature of 750 deg C its load-carrying capacity is 10per cent higher than that of Nimonic 80A. lor the rest, the ex-hibit will emphasize the results ot intensive research in the Monti / Mollart batent universal jointNickel laboratories, combined with\^ J^ the experience of Henry VYiggin **•"«»•»" ~and Co.. Ltd., in the production of nickel-chromium alloys.MUREX WELDING PROCESSES, LTD., Waltham Cross, Herts(Stand 109).—The central feature ol this exhibit will be the Murexground power unit for servicing and starting aircraft, includinggas-turbine types. It has an engine-driven generator supplyinga current Of 600 amp continuously at 2Sv for servicing and pre-Sightchecks and a peak current, of over 1,000 amp for engine Starting.Models with other capacities are available.MURPHY RADIO, LTD., Welwyn Garden City, Herts (SUM 103)Eight items will be exhibited, as follows: three V.H.F. airbornetransmitter/receivers, for 140, 23 and 5 channels respectively; minia-turized airborne radar equipment with B.A.B.S. facilities; voltageregulator; passenger-announcement equipment for aircraft; 50-wattV.H.F. transmitter for ground OLDHAM AND SONS, LTD., Den-ton, Manchester (Stand 15).—A comprehensive range of aircraftbatteries will be exhibited, in- cluding high capacity-to-weightratio batteries for the lighting of different types of aircraft; groundstarter batteries; and general- purpose accumulators for radio,operation ana lamp and airfield lighting. PALMER TYRE, LTD., THE, Pen-fold Street, Edgware Road, Lon- don, N.W.8 (Stand 65) in addi-tion to undercarriage equipment, to be dealt with in these pages station use; and SOO-watt radarbeacon. NEWTON BROTHERS (DERBY),LTD., Alfreton Road, Derby (Stand 49).—The products of thiscompany will be referred to in our review of special services nextweek. NORMAL AIR, LTD., Yeovil(Stand 9).—The cabin air-condition- ing equipment developed by thisArm will be reviewed in our special services feature next week. Plessey 50-watt fixed-station fcHF. transmitter, type PT. 15 pgext week, this company will dis- play Silvoflex pipes for fuel, oil,hydraulic fluids and compressed air; a complete D.H. Gobh'n fuelsystem and a Rolls-Royce gas- turbine sub-assembly will be shownas examples. PARK, LTD., R. AND J., DominionWorks, Thames Road, Chiswick, London, W.4 (Stand 77).—This firmwill have a display emphasizing the services which they offer inaircraft packing, shipping and in- surance, including A.I.D. approvedpre preservation and tropicaliza- tion. PETO AND RADFORD, 50, Gros-venor Gardens, London, S.W.I (Stand 13).—The company recentlysupplied a 52 lb battery which, installed on board, gave theComet's four turbojets six succes- sive starts at five-second intervals.Among the batteries shown at Farnborough will be a non-aerobaticunit with a weight xapacity ratio of 14| oz/a.h.; fully aerobatictypes; and ground-starter units. All these batteries have the firm'spatented Davis polystyrene vent plugs. PLESSEY CO., LTD., andP L E S S E Y INTERNATIONAL, LTD., Ilford, Essex (Stands $6 and17)-—In addition to the actuating equipment made by the first?named company (and to be re- ferred to in these pages next week)a selection of Breeze wiring accei- sories will be shown. The asso-ciated company will display radio equipment, most of which has beennewly developed since the last S.B.A.C. Show. Exhibits will in-clude the PR.2S receiver and P.24 transmitter for unit installation in8.B.A.C. racking; the PT.10 trans- mitter and PR.71 receiver as aunit; the new PT.15 transmitter; the PV.14 aerial multicoupler wide-band amplifier for 2-20 Hc/s; and the P.TR.61 transmitter/receiverfor medium and light aircraft. PRESSED STEEL CO., LTD., Cow-ley, Oxford (Stand 30).—This exhi- bit will consist of photographsshowing the application of the company's presswork to aircraftproduction and of Prestcold re- frigeration to the testing of in-struments and special assemblies under low-temperature and low-pressure conditions. PYRENE CO., LTD., 9, QrosvenorGardens, London, S.W.I (Stand 35). —In addition to aircraft fire-flght-ing equipment, to be dealt with in our special review next week, thePyrene Co. will show examples of its range of extinguishers for usein buildings, including soda-acid and foam types. A Pyrene airfieldcrash tender will, as usual, be on duty during the flying display. Inquite a dfferent field the company produces a metal aircraft-wheelehock now used as standard equip- ment by the R.A.F.; pulling achain collapses the chock and per- mits it to be drawn clear of thewheel. R.F.D., CO., LTD., Cattesuali Lane,Godalming, Surrey (8tand 89).— The principal exhibits on thisstand, coming within the sphere of safety equipment, will Le dealtwith in our review next week. Other activities of the company—to be illustrated on the stand by photographs—include the manufac-ture of towed targets, the Porto- bel gunnery trainer, paratroopballoons, weather covers, and fabric for a wide variety of pur-poses, including aircraft uphol- stery; examples of printed fabricsby the R.F.D. textile division will be on view. REDIFON, LTD., Broomhill Koad,Wandsworth, London, S.W.18 (Stand 82).—Equipment to beshown here will comprise a general- purpose 2-2.5kW medium-frequencytransmitter covering 200-500 kc/s and normal^ operated as amedium-freqiffncy radio beacon; a high-frequency general - purposetransmitter for ground-to-air and point-to-point communications; atransmitter/receiver with five crystal-controlled frequencies, offer-ing extreme simplicity of operation; a V.H.F. approach control trans-mitter/receiver; and a specially high-grade general-purpose com-munications receiver. Alto on view will be a model of the flightsimulator for Stratocruiser crew training, now in production.RENFREW FOUNDRIES, LTD., Hilltngton, Glasgow, S.W.2 (Stand48).—This firm, which is associated with Almin, Ltd., of FarnhamRoyal, will display typical sand- and die-castings for engines andairframes, in Alminal aluminium alloys. Information will be avail-able on the subject of aluminium- alloy castings. REYNOLDS TUBE CO., LTD., HayHall Works, Tyseley, Birmingham (Stand 90)—Steel-tube exhibits onthis stand will consist of a Centaurus engine-mounting ring asused on the Ambassador; air-intake guards for use during groundrunning of jet aircraft: a specimen of tapered tutes as used in theAnson undercarriage; pilot-seat jack tubes; and a range of steeltubes from Jin to Sin, together with some non-circular sections. Inlight alloy will be shown pressure vessels for various aircraft pur-poses, a control col urn tube and cowling-rail segments.ROMAC RADIO CORPORATION, LTD., The Hyde, London, N.W.9(Stand 104).—The central feature of this exhibit will be the Model160 aircraft equipment designed to meet M.C.A. requirements foroperation hi controlled zones; it incorporates a 12-channel crygtal-controlled transmitter /receiver, M.F. D/F. receiver with left-right McMichaeT^pe IT t-3 phase ..snster (see paragraph on pre- vious page) indicator, centre-zero course meter,3.B.A. beacon and marker re- ceivers, and intercommunicationfacilities. Also on view will be a fau marker receiver and V.H.F.R/T. equipment with mobile and fixed stations. ROTAX, LTD., Willesden Junction,London, N.W.10 (Stand 124).— Among representative examples ofthe range of Rotax aircraft elec- trical equipment will be severalnew items. One is a high-energy ignition unit for gas turbines,which produces two nimultaueoua and independent sparks, nearly 120times per minute, and a hundred times as powerful as the sparkproduced by booster-coil systems. A double-shot tarbo-starter hasan output speed in excess of 8,000 r.p.m. and develops 155 h.p.' In thepiston-engine field there is a 110- volt starter as used on seteral newlarge aircraft with rectified A.C. systems, and other new develop-ments include a 100-arap circuit- breaker and a 3kW rotary trans-former. Other exhibits will L« representative of the firm's actua-tion, lighting, de-icing and other equipment. ROTOL, LTD., Cheltenham Road,Glos (Stand 160).—In addition to airscrew exhibits, to be dealt within these pages next week, Rotol, Ltd., will show examples of theiraccessory drive gear boxes, includ- ing the largest made to date—forthe Hermes IV; four of these gear boxes drive, among other items,three Eclipse air pumps, two Mar- shall cabin blowers and two Rotaxalternators. Another gear box will be the compact unit tor the Dartsin the Viscount, while a completely new development will be a twin-drive box for a jet aircraft under development. Another Rotol ex-hibit will consist of a strain- gauge set-up for the testing ofairscrews. RUBERY, OWEN AND CO.,LTD., Darlaston, Staffs (Stand 24). —Aircraft general sundries, controlgear, airscrew bub assemblies, etc. RYUAHD. LTD., LLEWELLYN,Balsall Heath Works, Birmingham, 12 (Stand 81).—Here will be seenexamples of aircraft protective and decorative finishes; cellulose dopesand lacquers; oil primers and syn- thetic finishes: seaplane varnishes;Duralac jointing compound; stov- ing enamels; and paint removers.8ALFORD ELECTRICAL IN- STRUMENTS, LTD., Silk Street.Salford. Lanes (Stand 89).—The products of this company will bereferred to in our review next week.SANGAMO WESTON, LTD., Great Cambridge Road, En field, MMdx.(Stand 19).—This company's elec- trical instruments will he referredto in our review of major com- ponents and services next week.SAN KEY AND SONS, LTD., JOSEPH, Albert Street, Bilston,Staffs (Stand 157).—.Sheet-metal components and assemblies ofpressed and fabricated construc- tion for gas turbines; airscrewspinners. SAUNDERS VALVE CO., LTD.,Owmbran, Newport, Mon (Stand 7).—The basic feature of this ex-hibit will consist of examples of the well-known Saunders S.P.(spherical plug) cocks, for hydraulic systems, water injec-tion, etc., with an entirely new model designed to control air attemperatures of up to 850 deg C. As described in Flight of August17th, a number of detailed improve- ments have been made, while alarge-bore range (up to 4in) is also available. Electrically actuatedmodels will be demonstrated under power, and new multi-way type*will be ihown. Secondly, a feature will be made of the new
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