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Aviation History
1950
1950 - 0830.PDF
27 APRIL 1950 contributing to ee Bristol" sleeve-valve fuel economy »• High efficiency induction system low " Bristol" sleeve-valve engines employ a high efficiency single stage supercharger. Its advanced aero- dynamic design not only reduces the power required to drive it, but also results in a lower induction tempera- ture, which is equivalent to using a fuel of higher octane value. An even mixture distribution is also of great impor- tance to the efficient running of an engine, particularly at low engine speeds and with modern leaded fuels. The soundness of the "Bristol" combined supercharger and induction system has been demonstrated by tests which have shown that lead separation is avoided, and preheat- ing of the charge is quite unnecessary. There is therefore no restriction on the use of low engine speeds and optimum economy can always be attained. consumption slcHkv<k-v»lv<' THE BRISTOL AEROPLANE COMPANY LIMITED E N G L A N
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