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Aviation History
1963
1963 - 2170.PDF
FLIGHT International, 12 December 1963 971 port freight handling. These trucks are often used with a train of loaded trailers which on reaching the aircraft are elevated one by one to the cargo door. A company in this field which has made a particular study of airport requirements is Conveyancer Fork Trucks Ltd (they also supply trailer trucks). Stacatruc Ltd (formerly I.T.D. Ltd) offer, as part of their extensive range of mobile freight equipment, fork-lift trucks of from 2,0001b to 70,0001b capacity; and other manufacturers include Coventry Climax En gines Ltd and Lansing Bagnall Ltd. Though they do not come strictly within the category of airport cargo-handling equip ment, mention should be made of the "Aircon" air-transportable containers developed by Airtech Ltd and now available in aluminium, steel and plastic construction. Again, though it is primarily airborne, the "Rolamat" cargo system developed for the Argosy by Gloster- Whitworth Equipment Ltd must not be over looked. Lastly, reference should be made to the ingenious collapsible-pallet system deve loped by the H. K. Porter Co (G.B.) Ltd. Passenger Steps To the wide range of both towable and self- propelled passenger stairways manufactured by H. W. Edghill Equipment has been added a new model, the "Motostep" Mk 2. Ordered by BOAC primarily for VC10 opera tion, it is also suitable for other large jet air craft. Powered by a Ford 14-litre engine, it is fully controllable from the driver's seat. Another new item from Edghill is the "Stepulator," a battery-powered stair-climbing vehicle designed to assist invalids in negotiat ing aircraft stairs. It is being manufactured for the U K. and Europe by agreement with the S. & P. Mfg Co of West Virginia, USA. Spurlings Ltd, who use the slogan "Stair ways to the airways," manufacture stairs quickly adjustable to various door-heights. Steps are one of the products of C. F. Taylor (Metal Workers) Ltd; the covered stairs illustrated above, as supplied to BOAC, elevate hydraulically to lift 6in. Among other manufacturers of passenger steps are Mercury Airfield Equipment Ltd and Aviation Traders (Engineering) Ltd. Weighing Equipment Certain of the weighing machines made by George Salter & Co Ltd are particularly suit able for airport use—notably the Types 214 and 218 for passengers and the platform Type '15T for cargo. Other manufacturers of weighing equip ment for airline use include S. Parsons & Co Ltd and Dowty Group Ltd. Vehicles and Engines, Miscellaneous All three truck manufacturers in the Leyland Motors group—Triumph International, Albion Motors and Scammell Lorries—provide a w 'de range of four-, six- and eight-wheel chassis for fuel tankers. Leyland, through their Special Products Division, also market diesel engines for use in aircraft starting and servicing equipment. Utilizing Commer and Carrier chassis, the Rootes Group have made a special study of airport and airline requirements. Numbering some 20 models, their vehicles in this field range from 7cwt vans for general duties (tar mac control is an example) to passenger coaches and 7-ton scissor-type high-loaders for freight. A number of other motor-vehicle manufac turers and suppliers, in conjunction with body builders, cater for airport requirements. In Particular, mention may be made of A.E.C. "d, Alvis Ltd, Dennis Bros Ltd, Transport t( !<i"pment (Thornycroft) Ltd, Ford Motor Co Canopy-type passenger steps by C. F. Taylor (Metal Workers) Ltd for BOAC Stepulator stair-climbing invalid chair (H. W. Edghill Equipment Ltd) Ltd, Rover Co Ltd, Fodens Ltd, Spurlings Ltd, Palmer Coachbuilders Ltd and R. J. Searle Ltd. Rolls-Royce Ltd have provided the following list of airport proprietary equipment in which their engines are used (the first two items are by the Oil Engine Division, the remainder by the Motor Car Division): (1) 210 h.p. six- cylinder engines for Python refuellers. (2) 293 h.p. six-cylinder turbocharger, used to power the Hampson Airmaster 490B engine starter. (3) Vernon electric aircraft starting sets, 40 and 50kW. 40kW sets are powered by B.60 petrol engines developing 130 h.p.; 50kW sets are powered by B.81 petrol engines of 198 h.p. (4) Air-conditioning trolley manufactured by Sir George Godfrey & Partners Ltd is powered by a B.81 petrol engine; (6) Auto Diesels Ltd manufacture GPUs powered by B.60 petrol engines (130 h.p.). (7) Sentinel and Douglas Tugmaster tractors use the B.80 petrol engine (170 h.p.). (7) Pyrene airfield foam-spreading equipment is powered by a B.81 petrol engine developing 235 h.p. (8) For various crash tenders manufactured by Alvis, Thornycroft, and Douglas a B.8I engine supplies the power, h.p. ratings ranging from 98 to 235. (9) BOAC airport coaches are powered by a B.60 petrol engine giving 130 h.p. Zwicky Linemaster fuel-control nozzle and (below) the same company's "Tigris" hydrant dispenser in use by Shell at Copenhagen- Kastrup SECTION FOUR: FUEL, OIL, etc, SERVICING Fuellers Zwicky Ltd manufacture fuellers in capaci ties of from LOOOgal to 10,000gal, and with flow rates of up to 750gal/min. A special feature is the use of the Linemaster hose-end pressure controller. This is an automatic control valve consisting basically of two dia phragms, one of which is subjected to a pre determined air pressure and the other to the fluid pressure on the delivery side. Should the latter exceed the former the valve closes. These protective coupling are also used on the latest Zwicky hydrant-fuel dispensers, which are suitable for flow-rates of up to 750gal/min. Though rather outside the scope of this review, since it is designed for use in places where there are no permanent refuelling facili ties, the company's new Portapack unit—a lightweight power-operated dispenser for fuel in drums—merits brief mention; it was des cribed on page 942 of last week's issue. Ancillary fuelling components made by Zwicky include shock alleviators, quick- release hose-end filters and storage-tank float ing draw-off headers. Many of the airport refuellers used by the big fuel companies are products of Thompson Bros (Bilston) Ltd in conjunction with chassis and engine specialists such as Fodens and Rolls-Royce respectively. One 10,000gal unit has a single-pump, twin dispensing system giving flow rates up to 750gal/min; another unit, of 3,500gal, is designed for use with a 4,500gal trailer; and a third is a l,500gal equipment with 2,000gal trailer. There are also hydrant dispensers in the range. Among other refueller manufacturers are the Steel Barrel Co Ltd and Saro (Anglesey) Ltd. Rellumit (London) Ltd are specialists in hydrant refuelling equipment, and a compara tively recent addition to their range is the
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