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Aviation History
1961
1961 - 1817.PDF
Tractors F. L. Douglas (Equipment) Ltd offer a widennge of tractors, including the Tugmaster ;ypes 3022 and 3044, heavy-duty vehicleswhich have been developed specifically for handling the largest jet aircraft. The power-plant is a 240 h.p. diesel (Leyland, Cummins or Rolls-Royce) and automatic transmissioni omprises a torque converter and self-changing gearbox. Power-assisted steering is provided,with reversion to manual control available. These vehicles are so designed that they may Passenger steps, with canopy, by C. F. Taylor (Metal Workers) Ltd FLIGHT, 93114 December 1961 David Brown 950 Taskmaster tractor on duty at Ringway, Manchester be equipped with GPUs if required. A recentaddition to the Douglas range is the N.S.6, a particularly compact vehicle with a tractiveeffort of 11,8001b and weight of up to 9J tons. Mercury Truck & Tractor Co Ltd manu-facture "Air Tug" tractors of from 2,0001b to 20,0001b drawbar pull, which enables themto be used for a multiplicity of purposes from towing light servicing equipment to the largestjet aircraft. David Brown Construction Equipment Ltdmanufacture three types of aircraft towing tractor, all fitted with the 42.5 b.h.p. enginewell tried in the company's agricultural tractors. The 950 Taskmaster develops a draw-bar pull of 3,7001b and is suitable for towing aircraft of up to 45,0001b gross weight. The960 Turbo Taskmaster has a Brockhouse turbo-transmitter (i.e., hydraulic torque con-verter) and a drawbar pull of 6,2001b; the smooth take-up of the torque converter en-ables this machine to handle aircraft weighing up to 110.0001b. Thirdly, there is the 950Turbo Taskmaster Super, which has twin rear wheels and can tow aircraft of up to 150,0001b;power-assisted steering and braking are available. Among other aircraft tractor manufacturersare Lansing Bagnall Ltd. The Tugmaster DC7-Q—one of the powerful tractors from the F. L Douglas (Equipment) range A Verheul-bodied A.E.C. "Regal" Mk IV operated by KLM for apron transport at Schiphol Tractors of the lighter type, for towingtrolleys rather than aircraft are made by Wessex Industries (Poole) Ltd with petrol orbattery power. Fork-lift Trucks Widely used in industry, the fork-lift truckhas for many years been a useful tool for airport freight handling. These trucks arecommonly used with a train of trailers which they have themselves loaded and which onreaching the aircraft are elevated one by one to the height of the cargo door. Well-known manufacturers of fork-lifttrucks include Conveyancer Fork Trucks Ltd, Coventry Climax Engines Ltd, I.T.D. Ltd,Lansing Bagnall Ltd, Matbro Ltd, Ransome, Sims & Jeffries Ltd, Stockport ManufacturingCo Ltd, and Wessex Industries (Poole) Ltd. Defrosting Equipment Defrosting of the surfaces of aircraft parkedin the open in winter is a vital precaution. For reaching the highest components—e.g.,tail units—the hydraulic platform made by Simon Engineering (Midlands) Ltd is employedby at least one operator; it gives a 40ft eleva- tion and 26ft horizontal reach. Trolley-type dispensers for defrosting areproduced by Rollason Aerocessories Ltd and Zwicky Ltd. De-icing fluids, including special hoar-frostremovers, are supplied by Kilfrost Ltd [T.K.S. (Aircraft De-Icing) Ltd]. Vehicles and Engines, Miscellaneous Apart from the specialized types of vehicledealt with in various sections of this review, a great many others, large and small, perform avariety of duties in and about airports, for the carriage of passengers, crews, officials, freightand equipment. Most of the leading motor-vehicle manu-facturers and suppliers, in conjunction with body-builders, cater for these requirements.In particular, mention may be made of Rootes Motors Ltd, Scammell Lorries Ltd (of theLeyland Group), A.E.C. Ltd, Alvis Ltd, Dennis Bros Ltd, Transport Equipment (Thorny-croft) Ltd, Ford Motor Co Ltd, Rover Co Ltd, Fodens Ltd, Spurling Motor Bodies Ltd. PalmerCoachbuilders Ltd, and R. .1. Searle Ltd. Among manufacturers of engines areA.E.C. Ltd, Coventry-Climax Engines Ltd, Leyland Motors Ltd and Rolls-Royce Ltd. Weighing Equipment Certain of the well-known weighingmachines made by George Salter&Co Ltd are particularly suitable for airport use—notablythe Type 218 for passengers and the platform Type 113T for cargo. Genera/ In addition to the individual suppliers towhom reference is made in this section. Aero- contacts (Ground Equipment) Ltd offer anoverall service through which an airport or airline operator can obtain all equipmentrequired for apron, workshop or hangar use.
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