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Aviation History
1913
1913 - 0941.PDF
but the cylinders have a bore and stroke of 120 by 140 mm., and run at 1,300 r.p.m. normal speed. The weight, including radiator, is 360 lbs., and the price complete £625. The petrol and oil consumptions per unit of power are the same in both engines ; two carburettors are also employed on the 90 h.p. model, but the ignition is served by one Bosch magneto fitted with a double dis tributer. In the sizes below the 90 h.p., which include the 65 h.p. and the 40 h.p. motors, only four cylinders are used. The bore and stroke of the 65 h.p. engine is 120 mm. by 140 mm., the normal speed 1,350 r.p.m., the weight 255 lbs., and the price ^495. In the 40 h.p. model the corresponding figures are 100 mm. by 120 mm. for the bore and stroke, 180 lbs. for the weight, 1,450 r.p.m. for the normal revolutions, and ^315 for price. On test, conducted under the direct supervision of the Austrian Army, the 90 h.p. model delivered its stated power on the dynamometer at 1,310 r.p.m. ; it was then fitted with its propeller, and ran for 20 hours under full load at an average of 1,320 r.p.m. without stopping. At the end 0! this run the engine was examined, and, having been found to be entirely in good condition, and requiring no adjustment, was restarted for a further run of 20 hours under full load at the same average speed. At the conclusion of this period the engine was again connected up to the dynamometer, tested, and found to be giving the same power as it did before the test. It was then dismantled, and having, as the result of very careful inspection, been found to be in perfect condition, it was finally accepted by the authorities. I201P GO HP 9Cr-P Power curves of the 60 h.p., 90 h.p. and 120 h.p. Austro- Daimler engines. The cam-shaft and crank-shaft of the 120 h.p. Austro-Daimler engine. ® ® ® ® ROYAL FLYING CORPS (MILITARY "WING). WAR OFFICE summary of work for week ending August 23rd:— No. 1 (Airship) Squadron. South Farnborough.—The early part of the week was devoted to rigging " Eta," and to overhauling the engines of "Beta." " Eta " was out on three days, carrying out various trials. On the 20th she towed the Naval airship No. 2 from Odiham to Farnborough. '' Beta'' was flown to Tidworth and back (120 miles) on the same day. On the 21st " Beta " was taken to Wraysbury, where she remained two nights. She returned to Farnborough on the 23rd. No. 2 (Aeroplane) Squadron. Montrose.—BE's and Maurice Farmans were out daily throughout the week. Capt. Longcroft tested a new BE on the 16th at Farnborough, and flew this machine to Montrose on the 19th, with the Commanding Officer as passenger. One landing only was made—at Alnmouth— to replenish with petrol and oil. The journey of about 530 miles took 7 hrs. 40 mins., exclusive of the time spent at Alnmouth. The first part of the flight breaks the existing world's record for flight with a passenger. The machines of the Squadron going to Ireland are now ready for the flight there, preparatory to taking part in the Irish Command manoeuvres. No. 3 (Aeroplane) Squadron. Netheravon.—Several long cross-country reconnaissance flights were made by officers of this squadron during the week. Work in the observation of artillery and rifle fire was carried out on the 21st. 1,264 miles in all were flown. No. 4 (Aeroplane) Squadron. Netheravon.—Breguets and Maurice Farmans were out daily carrying out reconnaissance flights. On the 21 st, several machines co-operated in a 3rd Division exercise. Major Raleigh flew two Breguets over to Netheravon after they had been tested at Farnborough on the 19th and 20th respectively. ^(No. 5 (Aeroplane) Squadron. South Farnborough.—All the officer and N.C.O. pilots were flying daily on Maurice Farmans, carrying out reconnaissances and instructional flights. Flying Depot (L. of C). South Farnborough.—Experimental work on BE's and Maurice Farman's was continued. To Assist General Henderson. LIEUT.-COL, W. MACADAM (R.E.) has been appointed an assistant director of military aeronautics at the War Office. The I.C.S. Entente Cordiale Prizes. WE learn from the International Correspondence Schools that the ^700 which they have offered for a race from Paris to London will be divided into a first prize of ^500, and a second of £200, while in addition there will be the International Schools Challenge Trophy. It is stipulated that there must be a minimum of ten entries, and at least four, must be British pilots. Sopwith Batboat Wrecked. IT is indeed a stroke of ill-luck that the Sopwith Batboat which, by its winning of the Mortimer Singer Prize and its subse quent work in naval hands, had proved itself such an efficient machine, should have been wrecked on Sunday. On the previous day Lieut. Spencer-Grey, R.N., had arrived from Southampton, and as the sea was too rough for the machine to be beached it was moored close to the West Pier. It rode out the night splendidly, but the next morning the heavy seas splashed over the boat, and matters were not improved by the wash of passing steamers. It is hardly to be wondered at that eventually the boat was waterlogged. An attempt was made by a party of coastguardsmen to get the craft ashore, but the task was by no means easy, and seemingly in the process the machine struck on a submerged groin, being completely wrecked. It will be seen that the unfortunate happening was really due to no defect in the machine. A Bleriot built by an Amateur. MR. VINCENT FILL and his 35 h.p. Anzani-Bldriot type mono plane are seen in our photographs on page 957. This machine has been entirely built by Mr. Fill in his spare time as a pupil at the Eastbourne Aviation Co's flying grounds. Although assisted by the foreman, all the work was practically done by himself. The machine flies well and Mr. Fowler has himself been up on it for some time. The whole work has been thoroughly well carried out, and does great credit to its constructor, who took his ticket on an E.A.C. biplane about three weeks ago, and he is now learning to fly the machine of his own building. 967
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