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Aviation History
1929
1929 - 0353.PDF
FEBRUARY 21, 1929 THE SECOND ROTTERDAM MEETING International Light 'Plane Competition on June 27-30 THE competition for light aeroplanes held at the Waalhaven aerodrome, Rotterdam, last year, and won by Lady Heath in a " Cirrus-Moth," was a great success. Owing to the clashing of the dates of this competition and the race in England for the King's Cup, there were comparatively few British competitors, but those who did go vowed that they would return next year and bring a lot of friends with them. They will have the opportunity in June of this year, when the second international light 'plane meeting will be held at the same place. The days fixed for this year's competition are June 27, 28, 29 and 30, and in general the rules and regulations are similar to those of last year. There is no entrance fee, but entries should be sent to the Secretary of the Rotter- damsche Aero Club, Veerdam 1, Rotterdam, before June 20. The competition is for two-seater machines with a tare weight not exceeding 450 kg. (990 lbs.), and single-seaters with a tare weight not exceeding 350 kg. (770 lbs.). The two-seaters are required to carry a load of at least 180 kg. (396 lbs.), made up of two people weighing 80 kg. each, and 20 kg. of luggage. For the single-seaters the figures are 80 kg. for the pilot and 10 kg. of luggage, giving a total load of 90 kg. Nature of the Competition The actual meeting includes a rally, a relay race, and the main competition, which latter is again divided into a take-off test, a landing test, a speed trial, an altitude test and a crosscountry flight. The Rally.—In this, competitors leave from a recognised aerodrome (the departure being certified by the aerodrome manager), and fly to Waalhaven aerodrome without landing en route. The shortest distance which will be accepted is 200 km. (124 miles), and the distance covered will be reckoned in a straight line from the point of departure to the Waalhaven aerodrome. " Zero hour " has been fixed at 16 o'clock, Amsterdam Summer Time. First prize (Fl. 125) will be awarded to the competitor S Twith the smallest quotient in the formula , in which S is the number of minutes after 16 o'clock a't which the com- petitor lands at Waalhaven, T is the time taken, in hours, for the flight to Waalhaven, and D is the distance covered between the point of departure and Waalhaven. This dis- tance is expressed in kilometres. In the Relay Race, which will be held later, machines will be divided into groups of three machines each, care being taken to see that, as far as possible, the groups are evenly matched. The " estafette " is carried first by one machine of each group, handed over to the second machine of each group, and, finally, flown over a circuit by No. 3 machines, the team whose No. 3 machine first crosses the finishing line being the winner. The Main Competition Take-off Tests.—This is divided into two parts. First the length of run to take-off is measured. Competitors start with a maximum number of points of 50. For each metre beyond 50 m. in the take-off, one point is subtracted from the 50. In part two of this test machines make a start from a point 1 '5 times the length of the run scored in part one, and must clear an obstacle 3 m. (10 ft.) high. Any machine which does this scores 20 points. Landing Tests.—In this test machines land over a barrier 2 m. high (6-56 ft.), and come to rest in shortest possible distance. The maximum number of points given is 60, and from this will be deducted half a point for every metre beyond 50 m. The Speed Trial.—This will be held over a triangular course of about 20 km. (12-5 miles) in length. For this test only the useful load of the machines is reduced, the two-seaters carrying 60 kg. (132 lbs.) instead of the passenger, the useful load" being reduced to a total of 160 kg. (352 lbs.). For the single-seaters the load is reduced to 85 kg. (187 lbs.). The maximum number of points awarded in this test is 60. If T' is the time of the winner, T" the time of the second, and T'" the time of the third, the winner will be awarded 60 T' T' points, the second man 60 X =7-, the third man 60 X =77-, ' and so on. Altitude Test.—This consists in reaching a height of 1,500 m (4,920 ft.) in the shortest possible time. In this test full load is again carried. Maximum number of points 30. If T' is time of winner, T" time of second man, T'" time of third man, the winner will receive 30 points, the second X' T' man 30 x =7-, , the third 30 X ^rrr,> and so on. The Cross-Country Test.—This is mainly in the nature of a reliability trial, no points being awarded for speed. The test will be flown over a circuit of about 250 km. (155 miles), and compulsory stops of 15 minutes' duration have to be made at two aerodromes en route. Any landings made at other places will be penalised by 30 points. Every com- petitor covering the circuit within 4 hours will receive 30 points. The final classification in the Second Rotterdam Inter- national Light 'Plane Meeting will be by the addition of the points scored in the various tests. Although everyone is welcomed, the Rotterdamsche Aero Club is especially anxious to see the private owner well repre- sented, and from personal experience last year we can assure them that they will one and all have a thoroughly enjoyable time. For further particulars, write to Secretary, R.A.C., Veerdam 1, Rotterdam. Visibility : This view of the de Havilland "Hawk Moth " shows Capt. de Havil- land in the pilot's seat, and indi- cates how good is the view from there. Note also the wide-track undercarriage. [" FLIGHT " Photograph 139
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