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Aviation History
1919
1919 - 1667.PDF
DECEMBER 25, 1919 1,000 oz. approximately. Then, to float n oz., the capacity of the floats must at least be :— 1.728 II ,. . 1^0 x T = I9 cublc ins- Now, since it is essential that the floats should only be about one-fourth immersed it follows (since weight equals dis placement, therefore 19 cubic ins. would only just support the machine), that the total cubic capacity should be 4 x 19 = 72 cubic ins. The point is that floats must be made which will displace four times the model's weight of water in order to efficiently float the machine. A Durable Twin-Winder In Fig. 2 I show a twin-winding apparatus that can be used without the aid of a second party to support the machine— a disadvantage of the ordinary converted egg whisk type of winder. It is intended for use in conjunction with a simple apparatus to be fixed to the front of the model, and when in use it is forced into the ground, thus leaving one hand free for winding and the other for supporting the machine. Fig, 3 shows the attachment fitted to the nose of the model. m m THE AIR IN our last issue we gave the main divisions of the Air Estimates for the year 1919-20, amounting to £54,030,850, together with Mr. Churchill's statement and now we supple ment this with a detailed statement, showing how the two largest items—pay, etc., and technical and warlike stores are split up. The sum which it is estimated will be required for the pay of the R.A.F. is divided under nine sub-headings, showing £ 4,600,000 6,400,000 2,250,000 500,000 900,000 1,601,000 to men on dis- the following details :— Pay and personal allowances of officers Pay and personal allowances of men Separation allowance Miscellaneous allowances Women's Royal Air Force Civil employees Service gratuities to officers and charge Air Force Reserve Recruiting staff and expenses Gross total Deduct appropriations in aid Net total.. .. .. .. .. £21,051,000 The details of the proposed expenditure of £19,322,850 on technical and warlike stores are as follows :— ,100,000 30,000 120,000 £21,501,000 450,000 E H R.A.F. Cadets AN unique document is the following list of names of the 55 candidates who were successful in the competitive exam ination held last month for admission to the Royal Air Force Cadet College, as it is the first of the kind to be published :— Name. •Mills, G. H. Buttar, C. P. .. •Henslowe, F. A. Huxham, G. H. "Shepherd, G. C. Barrett, J. B. •Revington, A. P. Wilcock, W... Shortt, R. G. Brook, W. A. D. •Porter, N. A. Waite, R. N. Taylor, J. E. •Murphy, T. C. E. •Stone, R. A. B. •Johnson, S. H. Loch, D. R. .. Rowe, F. C. T. Boultbee, H. L. Mangles, R. A. R. •Brown, J. R. Muir, J. E. R. Connolly, S. G. Hayter-Hames, N. Faithfull, A. F. Berridge, T. D. •Combe, G. Royd, E. A. .. Marks. .. 9,908 •• 9,295 .. 9,108 .. 9,098 • • 9,05° .. 8,929 .. 8,872 .. 8,687 •• 8,673 • • 8,485 • • 8,263 • • 8,249 .. 7,812 .. 7,402 •• 7,394 •• 7,257 •• 7,i3i .. 7,098 .. 7,093 •• 7,043 .. 7,041 .. 6,871 .. 6,865 C. 6,810 .. 6,797 .. 6,707 • • 6,371 • • 6,35i Name. •Keightley, C.F. Gay, G. W Mackay, M. B. •Whelan, R. D. Lindsay, H. D. R. P. Martin, J. L. Goss, E. O Pontifex, R. W. Griffith.W.S.deG.D. •Kearon, H. V. Desmond, T. J. Fleming, T. S. S. Mitchell, F. G. S. •Davis, J. H. A. •Gore, C: W Spicer, G. H. •Bernard - Smith, G. C. B. •Cooper, R. A. B. Glenn, R. W. L. .. Hawtrey, J. G. •Falconer, C. L. Hayter, M. C. •Spaight, R. H. S. Cooke, D. A. R. B. .. Springfield, C. M. O. O •Lacey, E. V. S. Watts, G. E. Marks. 6,347 6,320 6,308 6,302 6,239 6,016 5.948 5,8n 5,778 5,771 5,768 5,689 5,686 5,651 5,643 5,621 5.49o 5.438 5,"5 5,086 5,071 5,054 4.973 4,938 4,909 4,807 4.776 The apparatus consists of two pinions in gear with one another and driven by a wheel, the ratio between them being 4 to 1, that is to say, one turn of the crank imparts four turns to each pinion shaft. A higher gear should not be used, as the two skeins are being wound synchronously. Each pinion shaft-extension is formed into a hook to engage with the attachment on the machine, the pinions them selves being kept central between the gear casing by means of the distance bushes shown in detail. The gear casing should be of brass, and the gears can conveniently be those sold for geared elastic motors. Winders can also be improvised from ordinary hand braces, although rather low geared. A friend of the writer's (a wag in his way) made a winding attachment to gear off the back wheel of his cycle. The cycle was inverted and a friction-driven pulley field against the tyre by means of springs ; this drove the chuck. It was an inefficient arrangement, and after several machines had been smashed due to unequal winding (whereat the projector of the idea was glad to use the cycle to escape the wrath of his dupes !) the idea was discarded. (To be continued.) — m m ESTIMATES Aeroplanes, seaplanes, engines and spares Airships, airship engines and spares Balloons, winches and spares Aircraft technical and warlike stores Armament and ammunition Electrical and engineering stores Hangars MechanicaTand other transport Marine craft and equipment Petrol and oil Rewards to inventors Aircraft supplies delivered under War Contracts Aircraft Inspection Departments, salaries and wages R.A.E., Farnborough, salaries and wages 1919-20. £ 1,413,000 144,000 72,300 158,550 168,200 169,700 64,500 23,000 7,500 1,522,100 25,000 16,100,000 Gross total Deduct— Appropriations in aid Net total.. • These candidates have received 400 marks for military efficiency. ^9,867,850 545-0OO £19,322,850 Under the Vote for work, buildings and lands £5,072,000 is set aside for new works, additions, alterations and special repairs amounting to £2,000 each and upwards. m H Air Customs Facilities at Hounslow at Christmas THE Air Ministry announces that Customs Officers will not be in attendance at Hounslow between December 25 and 28 inclusive. Steps have been taken, however, by which their attendance can be arranged for on short notice. Owners or pilots of aircraft who desire to obtain a clearance to or from the Continent on these days should give notice to the Civil Aerial Transport Officer at Hounslow at least one hour before the attendance of the Customs Officer is required. Sir Hugh Trenchard's Message To the current issue of the Ex-Service Man Air-Marshal Sir H. Trenchard contributes the following message to ex- Service men : "I would like to say that I hope the ex-Service men will put their shoulders to the wheel in peace as they did in war, and help to pull the country through these difficult times. I wish them every good fortune in their work. For those who have been unfortunate, and have not been able so far to obtain employment, I hope that this—their just reward for past services—will speedily be forthcoming." R.A.F. Mess Uniform WE understand that the pattern for the mess dress of officers of the Royal Air Force has been officially approved. Particulars can be obtained from the principal military tailors. Capt. Ross-Smith's Progress IN his flight from Port Darwin across Australia, Capt. Ross-Smith has not been quite as lucky as in his flight from England. He left Port Darwin on the morning of Decem ber 13, and the following day he was reported at Newcastle Water. Then followed a silence, explained by the fact that trouble with a propeller has entailed a forced landing about 20 miles before reaching Anthony's lagoon. Repairs were effected and he arrived safely at Camooweal (Queensland) on December 20. 1669
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