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Aviation History
1929
1929 - 0741.PDF
FLIGHT, APRIL 11, 1929rJIIAMIIIYIOdt I"UTINE ATTENTION BYENGINE UGHT AERO ENGINE WORLD'S RECORDS) IN order to demonstrate in the most convincing manner possible theutter dependability of the GIPSY engine, it was decided to submita standard example to the only infallible test—the test of prolonged use under everyday flying conditions. Accordingly, a standard Gipsy engine taken at random from the flow of production was installed in a standard Moth. Official co-operation was secured, and the engine was sealed by an official of the Air Ministry Aeronautical Inspection Directorate, and arrangements made for accurately recording under official observation all supplies of petrol and oil put into the machine. A PROLONGED TOUR WAS THEN COMMENCED. The machine has been flown at a constant cruising speed of 85 m.p.h. by Airspeed Indicator (checked at 88 m.p.h. ground speed), and the following is the log to date : Total number of hours flown, 288. (= 25,344 miles at 88 m.p.h.) Attention : Routine cleaning of filters and plugs and setting of tappet and magneto clearances, and other normal external adjustments, as advised in maker's handbook. Replacement: One magneto of proprietary manufacture. Petrol consumption : 4.7 gallons per hour (Pratt's spirit). Oil Consumption : .37 pint per hour (Wakefield's Castrol oil). N.B.—In connection with petrol consumption, it should be remarked that ordinary commercial No. 1 spirit was used and that the figure includes wanning up before each flight and literally miles of taxying. THE ENGINE HAS NOT BEEN TOUCHED wntinues f THE WRIGHT AERONAUTICAL CORPORATION, PATERSON, NEW JERSEY, U.S.A. THE DE HAVILLAND AIRCRAFT PTY., LTD., WHITEMAN STREET, SOUTH MELBOURNE, AUSTRALIA. Save time by using the Air Mail. xv
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