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Aviation History
1910
1910 - 0483.PDF
The propellers are 7 ft. in diameter, and have a pitch of 7 ft 6 in. Both revolve in the same direction ; the torque is balanced by a lead weight attached to one of the skids that protect the extremities of the wings. The propellers were constructed by Short Brothers to the designs of Capt. Carden. Their bosses are fitted with twenty-tooth sprockets, and the sprocket on the crank shaft has twelve teeth. The engine runs at about 1,100 r.p.m. The petrol tank is carried immediately above the engine on a light frame, and the radiators are mounted in the gap between the main planes, where they are supported upon bearers attached to the vertical struts. The chassis upon which the machine is mounted is also an interesting piece of construction, although naturally its present form is not essential to the machine j it was, however, designed at a time when the wheeled chassis was the only device in practical use, and it should be judged accordingly. Compared with the original Voisin chassis, it possesses some interesting modifications that it is only proper to recognise as improvements. The hubs of the two wheels are universally-jointed to an axle that holds them at the required distance apart. They are carried in a double fork that is attached by a couple of radius-rods to the girder member of the machine. The arrangement of these radius-rods is such that they are always in tension, which is a far more suitable stress lor tubular work of this description than a compressed strain. The accompanying illustrations show how the helical springs are arranged to give the requisite suspension. The rear end of the girder is supported by an independent single-wheel chassis that combines a skid, and the nose of the machine is also fitted with a single wheel, which, however, is not shown in our photographs. This latter member is so placed that when it makes contact with the ground the aeroplane is in its running position. This facilitates starting, because it prevents the machine from being tilted too far over, and yet it avoids the necessity of trying to get under way with too great an angle of incidence. LANARK INTERNATIONAL AVIATION MEETING, AUGUST 6TH AND 8TH TO 13TH. Under the auspices of the Scottish Aeronautical Society associated with the Royal Aero Club of the United Kingdom (subject to the Rules and Regulations of the Federation Aeronautique Internationale), PROVISIONAL PROGRAMME AND REGULATIONS. I. Long Distance Competition (flying circle, on four days).— Total prizes, £940. a. For the longest single flight around the flying circle, without touching the ground, during the entire meeting. First prize, £250 ; second, ,4100 ; third, .£50. b. For the longest single flight on each day of this competition. First prize, £2$ ; second, £10. c. For the greatest number of circuits made under this competi tion during the entire meeting. Only circuits completed without touching the ground will be reckoned. First prize, £250 ; second, £100; third, £50. A competitor must have completed a distance of at least 25 miles to be eligible for the first prize, and 15 miles to be eligible for the second prize, under headings a and c. II. Cross-Country Flights (from the starting point round a given mark, say 6 miles distant, and back, on three days).—Total prizes, £1,320. a. For the aggregate of cross-country flights, made without touching the ground, during the entire meeting. First prize, £400; second, £200; third, £100. A competitor must have completed a distance of 24 miles to be eligible for the first and second prizes, and 12 miles to be eligible for the third prize. Only completed flights will be reckoned. b. For the fastest single cross-country flight, without touching the ground, each day of this competition. First prize, £100; second, £30; third, £10. c. For the fastest single cross-country flight, without touching the ground, during the entire meeting. Prize, X20°- III. Aggregate Long Distance.—Prizes, £900. In addition to the prizes under Competitions I and II, the following prizes will be given :— a. For the longest aggregate distance flown during the meeting under Competitions I and II taken together. First prize, £400; second, £200; third, £100. A competitor must have completed a total distance of at least 50 miles to be eligible for the first prize and of 30 miles for the second prize. b. For the longest aggregate monoplane flights for the entire meeting under Competitions I and II taken together. Prize, £200. A competitor must have completed a total distance of at least 30 miles to be eligible for the prize. IV. Speed Competitions (each day). Over five circuits of the course, 8 miles 1,300 yards or thereby.—Total prizes, £1,325. For the fastest single flight over five circuits of the course, without touching the ground, during the entire meeting. First prize, £200 ; second, ^100 ; third, £$0. For the fastest flight each day over five circuits of the course, with out touching the ground. First prize, £$0; second. £30 ; third, £20. For the fastest single circuit of the course, without touching the ground, each day. Prize, £25. For the fastest single circuit, without touching the ground, during the entire meeting. Prize, J£IOO. V. Greatest Altitude (each day).— Total prizes, £915. For the highest altitude attained during the entire meeting. First prize, £400; second, £200; third, £75. The award of these prizes will be subject to the following altitudes being reached : For the first prize, 500 ft. ; for the second and third prizes, 300 ft. For the highest altitude each day of the meeting. Prize, ^20. A special prize of £100 will be awarded to the monoplane which attains the greatest height during [he meeting. The Clerks of the Course shall have the power to reckon as equal competitors whose recorded altitudes differ t>y less than 2 per cent. VI. 'Weight'Carrying Competition (each day).—Total prizes, £690. First prize, £250 ; second, £125. For the best each day of the meeting. First prize, ,£30; second, £15. These prizes will be awarded, in order, to the competitors carrying the greatest weights on their machines for one complete circuit of the course, without touching the ground. The Clerks of the Course will announce beforehand further instructions with regard to the point of landing. At least one passenger of not less than eighteen years of age must be carried, and competitors shall be at liberty to add any dead weight they may desire. The weight of the pilot, his passenger or passengers, and such dead weight shall be deemed the total weight for the purposes of the competition, and such weight must amount to 350 lbs. at least. Dead weight shall be in rolled sheets of lead. The competitors shall be solely responsible for the supply of passengeK and dead weight, and for the fixing of the latter to the machines ; and each competitor shall be held solely responsible for any accident or mishap which may occur to his passengers in the course of the competition. In the event of two competitors carrying equal weights the preference will be given in awarding the prizes to the competitor who makes the fastest round. The committee will verify the weights carried at the conclusion of each flight. VII. Starting Competition (each day).—Total prizes, £385. For the entire meeting. First prize, £100 ; second, £50 ; third, £25 ; fourth, £10. For each day of the meeting. Prize, £20. These prizes will be awarded, in order, to the competitors who succeed in rising from the ground in the shortest distance. Various attempts may be allowed, such number to be intimated beforehand by the Clerks of the Course from time to time, and the same number of attempts shall be allowed to all competitors. The use of starting devices or accessories, other than such as are carried on the machine in flight, will not be permitted for the purpose of the competition. A special prize of £60 will be awarded for the best starting per formance under these conditions during the meeting with a passenger, over 18 years of ape, and weighing not less than 120 lbs. 481 C 2
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