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Aviation History
1946
1946 - 2252.PDF
Advertisements. FLIGHT NOVEMBER 7TH, 1946 HERCULES ENGINE In building the Hercules engine illustrated, the manufacturers apply 'dag' colloidal graphite to Sleeve Valves in order to provide self-lubricating graphite coatings. Such coatings are resistant to removal in the presence of oil, chemically inert and unaffected by extremes of temperature. The treatment of engine bearing surfaces with 'dag' colloidal graphite prior to or during assembly a protection against scoring, scuffing and metal pick-up. Oil spreads more rapidly over "Graphoid surfaces" the co-efficient of friction of which is of a low order. E. G. ACHESON LIMITED, 9 GAYFERE STREET, WESTMINSTER, S.W.I. FIELD AIRCRAFT SERVICf CROYDON * HANWORTH ' LUTON LYMPNE ' NOTTINGHAM New and Used Aircraft. C. of A. Overhauls, Repairs, Modifications and Conversions Maintenance and Contracts. Service Engine Overhaul—De Havilland Recommended Repairers—Engine Replacement Hire Service. London Ai rpark, Hanwo rth, Middle- sex, where complete F.A.S. Service is now available. FIELD AIRCRAFT SERVICES LIMITED (A.R.B. Approval A.I. 1074/38) Head Office: Great Woodcote House, Woodcote Drive, Purley, Surrey. Tel: Wallington 7001. Telegrams and Cables: Fieldair, Purley. 129.10
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