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Aviation History
1934
1934 - 1088.PDF
iogo FLIGHT. OCTOBER 18, 1934. wing area in sq. ft., and P the rated normal power of the engine(s) in b.h.p. It is not possible to go into details concerning the sound- ness or otherwise of the formula. It may give too high handicap speeds or it may give too low handicap speeds. It will be for each competitor to work out carefully the ratio of pay load which will give the lowest handicap speed. Competitors are free to land anywhere en route to refuel, but the time thus spent will count as flying time. The exceptions are the checking points. Time spent at them does not count as flying time. The tendency will, there- fore, be to fly from one checking point to the next without refuelling. The longest stage between checking points will be that from Athens to Aleppo, which is 751 miles. There are several stages of 650 miles or more. Crew and passen- gers count as pay load, an allowance of 200 lb. being made for each person carried. Petrol and oil do not count as pay load. ' At Mildenhall Competitors were not admitted to Mildenhall Aerodrome until last Saturday, and were given until 4.30 p.m. on Sunday last to '' report with their aircraft completely erected and bearing the necessary certificates of airworthi- ness." During the week the formalities of checking machines for pay load, gross weight, etc., were gone through, and at 6.30 a.m. on Saturday next, October 20, the first machine will be sent off. In the interests of safety it has been decided to send the machines off at short inter- vals, so that there may be no risk of collision. In the case of the speed race, this would impose unfairness on late starters, and in order to remedy this the necessary time allowance will be corrected on the arrival of com- petitors at Singapore. For example, if the last machine in the speed race is started from Mildenhall 30 minutes after the first one, it will not, upon reaching Singapore, be held up at all, but the first machine to leave Mildenhall will be held up for 30 minutes at Singapore. During that period no work on the machine will be permitted. That is to say, as far as working on it is concerned, the machine will be treated as if it were flying. The Route As already explained, there are really two separate races, to be flown concurrently. In the speed race, for which compulsory stops or controls are to be made at Baghdad, Allahabad, Singapore, Darwin, and Charleville, it may be expected that in the majority of cases competitors will take the most direct route, i.e., the Great Circle route. This BAGHDAD SPEED RACECOURSE &. CONTROLS HANDICAP )COURSE ( CHECKINGPOINTS ) THE ROUTE : Comp2titors in the speed race willfollow the Great-Circle courses between controls. Machines in the handicap race may follow thelonger route, with much shorter distances separating checking points. will take them from Mildenhall over the Thames Estuary, southern Holland, Germany, Austria (near Vienna), across the south-western corner of the Black Sea, over the moun- tains of Asia Minor, and down to the low-lying country around Baghdad. Persian mountains will form an obstacle at the very beginning of the second stage, and extremely difficult country will have to be flown over before competitors reach Allahabad. The direct route lies nearly over Isfahan, and the mountains rise to 10,000 ft. or more. After crossing into Baluchistan conditions are little better, and not until SINGAPORE: (SELETAR)
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