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Aviation History
1945
1945 - 0570.PDF
MARCH 22ND, 1945 The time spent in maintaining an engine at maximum efficiency should be taken into consideration when judging the reliability of that engine. Whereas design simplicity reduces working parts and correspondingly minimises risk of failure, such simplification is justified only providing performance efficiency and reliability are also improved. " Bristol" sleeve-valve engines are a supreme example of this fact: the smooth sleeve action eliminates vibration and shocks . . . there are no tappets to adjust or springs-and rocker •\ mechanism needing constant inspection and replacement. Coupled with these advantages, the simplicity of the sleeve-valve principle offers greater economy in fuel and oil... inevitable result of simplified design, and further support for the assertion that the sleeve- valve will be the principle behind the power of peacetime air transport . .. whca economy and reliability will be the major factors deciding aero- engine design. STOL AEROPLAN C O M l*rtoted~ UJ England for the l'roprtrtorc, FLIGHT I'UBLISHINI; COMPANY LLHITKO. Uorset House. Stamford Street, London, 8.E.1, by TUB CORNWALL PRBSS LT^.. l-(t. far.1 G^^ea, ixroa.' ^;|"Flight" can he obtained abroid irom t'« following: AVSTIAUA «»d S>» 7,KAI.ANI>: (^wdou & Gotoh. Ltd. INDIA: A. H. Wheeler & Oo. CAXATU : Imperial News Co., Gordon * ';?„'...' SOBIH \nidi: Central ^CITB \sencv. Ltd., Wm. )>»wiioo * 8oiw (S.A.). LM. VsiTBO STATK» : The International News Co. Entettd as SeoolKl I'll" at thf New York, I .S.A.,*o« ui.
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