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Aviation History
1956
1956 - 1155.PDF
24 August 1956 301 Artists impression of Iroquois B-47 test-bed installation; Orenda 11s being wheeled from test-cell area. it is probable that there will not be extensive subcontracting.U.S.A.F. interest in the Iroquois has been reported but, if this hardened into a concrete order, U.S. production under licencewould be adopted. The peak production rate of Orenda engines had already beencut back from 100 engines per month to 50, and then to 40 per month, when the 3,000th Orenda was completed in May of thisyear. Since then the rate has slowed down further to 25 per month, at which level production is expected to continue for sometime. Current models are the Mk 11 and the Mk 14, as fitted to the CF-100 and the Canadair Sabre 6 respectively. It isreported that the Mk 5 version of the CF-100 is to have Orenda's version of Bristol's "wee-heat" but with Marquardt influences,particularly in connection with the variable finger-type nozzle. The reduction in personnel numbers caused by the slowing downof Orenda production has brought the total number of employees down to about 5,000.The new expansion of test facilities affects both Malton and Nobel. The programme includes the provision of six new testcells, a high-altitude test facility, an aerodynamic test facility and a combustion test facility at Malton; and test cells for developingafterburner design features and for investigating internally cooled turbine-blade design under realistic conditions, at Nobel. Mostof the construction work is expected to be completed this year. Already in use at Malton is the new 60,000 sq ft sales and serviceextension to the main plant. Although no announcement has been made by the company,Orenda interest has been reported in a light turbojet (possibly the Viper) which could be produced to power the projectedCanadair CL-41 jet trainer, if a contract were awarded for this machine.Floorspace areas occupied by Orenda are: Malton, 825,000 sq ft manufacturing and 295,000 sq ft engineering and experi-mental (plus 160,000 sq ft new test facilities); Nobel, 65,000 sq ft full-scale testing (plus 20,000 sq ft new test facilities). A recentpromotion was that of Walter R. McLachlan from vice-president and general manager to president (and general manager).Canadian Steel Improvement, Ltd. Indicative of the progress made in the provision of new facilities at the Etobicoke plant ofC.S.I, since our 1955 visit is the fact that the total equipped floor- space was seen this year to have more than doubled. The plantarea is now approaching 200,000 sq ft and, with an increased number of technical staff (particularly on the foundry side), thetotal of employees is now approximately 350. It has been a very active year for all three main sections, Engineering, Productionand Sales. In the company's new forge bay, which is now complete, aten-ton gravity drop hammer has been installed. Further forg- ing equipment which is being added includes a 2,000-ton hydraulicforging press and a number of open-frame hammers from three to 40 cwt. The total forge area devoted to the production of steel,aluminium, titanium and high-temperature precision forgings for aircraft requirements is approximately 45,000 sq ft.Also completed and now in operation is the light-alloy foundry. The total foundry space for the manufacture of all types of sand,permanent mould and pressure die castings in aluminium and magnesium is about 77,000 sq ft.The company is perhaps most proud of its process tor pro- The Canadian Steel Improvement plant at Etobicoke, near Toronto. Production of CS2F-1 wings is carried out by Canadian Car and Foundry (see page J02). Below are shown outer-panel fixtures at the company's Fort William plant.
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