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Aviation History
1945
1945 - 0310.PDF
IMtllM • /towel of Me f*t£t4e. .•* • •r- *. - v Predominating factors governing aero engine design of the future will be all-round economy and minimum maintenance. The " Bristol " sleeve-valve engine — based upon a " '""* . principle of exceptional simplicity—has a high efficiency relative to these factors. With a " Bristol " sleeve- valve engine there is no grinding-in of valves ; no spring inspections or replacements ; no tedious tappet adjustments; the only maintenance necessary is the usual servicing of ignition and carburettor ; and occasional filter checks. Coupled with this is economy in fuel and oil ... inevitable result of simplified design, and logical support for the assertion that the sleeve-valve will be the principle behind the power of the future. ...*$* HERCULES sleeve-valve aero engines power the HALIFAX III, LANCASTER II, STIR- LING and many other famous front-line aircraft. THE BRISTOL AEROPLANE COMPANY LIMITED BRISTOL ENGLAND PriuUd tn England for""lh* Proprietor*, FLIUHT PVBIJSHINO COMPACT LIMITED, Dorset House, Stamford 8tre«t, Londou, S.K.I, by THE CORNWALL PRESS LTP., 1-6, Parts SaMen, I^ondon, S " Flight "• can I* obtained abroad from tbe following : AUSTRALIA and NEW ZKALASD : Gordon * Uotcb, Ltd. INDIA: A. H. Wja'eeler * Co. CANADA : Imperial Neva -o; 3ordon 4 3otch,
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