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Aviation History
1952
1952 - 1281.PDF
9 May 1952 555 Some of the assembly lines in the Sabre erec tion hall; the cockpit line on the right moves forward and then backward along the next row until it meets the wings at the back; then it comes forward again. building on the corner of the airfield may be taken over to meet the ever- increasing demand for space. A further idea of the expansion in hand can be gauged by the anticipated labour increase from the present 8,500 to something like 18,500. Although the emphasis at Canadair is on production, the company was justi fiably proud of its design work on the DC-4M and is out to get orders for its own original layouts. There is a full design team under William K. Ebel, late of Glenn Martin and Curtiss-Wright, which has been engaged on both civil and military project studies. A four- turboprop transport in the 120,000-lb class was dropped because of the future uncertainties of the engine position; but two twin-engined airliners are actually on the board, as well as military studies. The history of the T-36 is interest ing too. Within three weeks of receiving the U.S.A.F. specification, Canadair had prepared a design that ranked top in the' competition. For various reasons, however, the work was awarded jointly to Beech and Canadair; the Beech design was accepted as the basis, but detail design aft of the main spar has been given to the Canadair D.O., and production orders are, of course, divided between the two firms. The company claims that it can undertake design of any type of aircraft for delivery in 1953/54. The shapers of policy at Canadair are John Jay Hopkins, who heads both parent and daughter companies; J. Geoffrey Notman, Canadian-born executive and general manager; Robert A. Neale, vice-president manufacturing, for many years at Boeing; William K. Ebel, vice-president, engineer ing; Peter H. Redpath, vice-president, sales, late of T.W.A. and S.A.S.; with John E. L. Duquet, Q.C., J. Gordon Barker (secretary and treasurer) and James F. Tooley (comptroller), all Canadians, looking after the legal and financial aspects. (To be continued) R.Ae.C. COMMITTEES LAST week (page 523) we listed the names of Royal Aero Club * officials, and members of the Club Committee, for 1952-53. The constitution of the other committees is as follows :—'• Finance.—Capt. K. J. G. Bartlett, G/C. W. N. Cumming, O.B.E., D.F.C., Col. W. C. Devereux, C.B.E., E. S. Greenwood, O.B.E., Maj. R. H. Mayo, O.B.E., G/C. C. S. Morice, D.S.O., M.C., Maj. J. Stewart, O.B.E., C. F. Uwins, O.B.E., A.F.C., Frank Woodhead. House.—G/C. W. N. Cumming, O.B.E., D.F.C., G C. C. S. Morice, D.S.O., M.C., Maj. J. Stewart, O.B.E., L. Swan, Capt. H. S. Broad, M.B.E., A.F.C., E. H. W. Lucas, Capt. J. G. Renton, M.C., Maj. B. Shilson, O.B.E., A. M. Walmsley. Records, Racing and Competitions.—Capt. H. S. Broad, M.B.E. A.F.C., E. C. Bowyer, J. Cunningham, D.S.O., O.B.E., D.F.C., I. A. Forbes, Cdr. A. Goodfellow, E. S. Greenwood, O.B.E., D. J. Lyons, P. B. Mayne, Maj. R. H. Mayo, O.B.E., J. K. Quill, O.B.E., A.F.C., F. Rowarth, S. Scott-Hall, C.B., J. N. Somen, A.F.C., G/C. H. J. Wilson, C.B.E., A.F.C. Private Flying and Air Touring.—J. G. Benson, C. E. Berens, W. H. Byars, J. R. Cory, J. G. Crammond, E. S. Davis, A. D. Duncan, J. J. Dykes, R. G. Kent, D. C. Maxwell, Maj. H. A. Petre, D.S.O., M.C., P. Q. Reiss, Col. E. Reed, J. C. Rice, W. Guy Robson, H. M, Samuelson, J. N. Somers, A.F.C., O. J. Tapper, J. C. C. Taylor, M.B.E., A. G. Wilson. "Royal Aero Club Gazette".—Capt. K. J. G. Bartlett, G. Dorman, A. D. Duncan, E. H. W. Lucas, H. W. H. Moore, Col. R. L. Preston, C.B.E. Londonderry House Maintenance.—Miss N. Collins, A. S., Lumsden, G/C. C. S. Morice, D.S.O., M.C., D. S. Scoffham, D.F.C., L. Swan. Alcock and Brown Memorial Committee.—Lord Brabazon of Tara, M.C., P.C., Col. W. C. Devereux, C.B.E., Maj. R. H. Mayo, O.B.E., J. C. C. Taylor, M.B.E. Note: The chairman, Mr. S. Kenneth Davies, C.B.E., is an ex-officio member of all committees. STEWARDS OF THE CLUB Lord Brabazon of Tara, M.C., P.C., Air Marshal Sir Roderick Carr, K.B.E., C.B., D.F.C., A.F.C., Lord GoreU, C.B.E., M.C., Sir Francis K. McCleah, A.F.C., H. W. H. Moore, Maj. H. A. Petre, D.S.O., M.C., The Duke of Sutherland, Kt., P.C., Frank Woodhead. OFFICIALS FOR RACES AND RECORDS Timekeepers.—P. B. Mayne (chief timekeeper), Maj. J. W. Barber, Maj. A. L. Ebblewhite, A. J. Gibbons, Maj.-Gen. A. H. Loughborough, C.B., O.B.E., L. H. Lumby. Handicappers.—F. Rowarth (consultant), D. J. Lyons (chief handi- capper), C. M. Britland, W. J. Charnley, Miss I. J. Ferguson, W. S. Johnson, W/C. R. F. Martin, D.F.C., D. R. Murrin, L. R. Wilson. F.A.L REPRESENTATIVES Capt. K. J. G. Bartlett (vice-president), A. F. Houlberg (Models Commission), Maj. R. H. Mayo, O.B.E. (Sporting Commission), Col. R. L. Preston, C.B.E. (Air Touring Commission), P. A. Wills, C.B.E. (Gliding Commission), Sir Harold Whittingham, K.C.B., K.B.E., Ll.D., F.R.C.P., F.R.C.S. (Medical Commission), Maj. T. W. Willans (Parachute Commission). TRUSTEES OF THE KEMSLEY FLYING TRUST (Secretary: B. A. G. Meads, M.B.E.) Capt. H. S. Broad, M.B.E., A.F.C., B. Collins, Cdr. A. Goodfellow, H. W. H. Moore, Col. R. L. Preston ,C.B.E., The Duke of Sutherland, Kt., P.C. SURFACE-HARDENED ALUMINIUM FOLLOWING the appearance of a news-item (Flight, Feb ruary 15th, 1952) dealing with surface-hardening of light alloys as practised by the Glenn L. Martin Co., of Baltimore, Dowry Equipment, Ltd., of Cheltenham, have provided some information on British work in this field. The Dowty laboratories first studied the subject in 1946 and developed a satisfactory process for the synthetic production of thick anodic films on high-strength light alloys. The film is integral with the metal and is stated to confer the hardness and abrasion resistance normally associated with casehardened or nitrided steel. Film-thickness is controllable, the optimum being 0.003m, of which approximately half is growth on the original surface dimen sion. Greater depth can be obtained at the expense of surface smoothness. The hardened surface is stated to be suitable for high-pressure metal-to-metal seals, and use is being made of this property in numerous Dowty hydraulic valves; a high bearing-pressure on the treated surface can be sustained in conditions of poor lubrication. Methods have been developed for machine-grinding the anodic film to close dimensional tolerance with a surface finish of from 2 to 4 micro-inches. Mechanical properties of the base-alloy are stated to be unaf fected by the anodic film; the core-hardness will not, of course, resist indentation by impact, but such indentation—unless due to a blow from a point or knife-edge—will not cause fracture or "bubbling" of the hard film. A test-application of the process has been made to the pivot journal of an aircraft tailwheel; after 125 miles of simulated rough taxying both journal and the laminated fabric bearing showed no dimensional change beyond o.oooiin, although both surfaces had become highly polished. The process is being applied to numerous Dowty aircraft components, where the substitution of surface- hardened light alloy is expected to save considerable weight.
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