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Aviation History
1932
1932 - 0970.PDF
FLIGHT, SEPTEMBER 23, 1932 Refuelling Capt. N. Stack's Spartan Matlplane from the Shell and "B.P." lorry at Heston prior to his flight to India and back. for noting down other interesting details, such as the weather experi enced. The specification of the S. & M. Tycos Altigraph is as follows: —Re volving drum clock with a start and stop device, performing one revolu tion in six hours, and a reliable re cording movement giving a range of 0/8,000 ft. in 200 ft. divisions on the chart (the metric equivalents being supplied when necessary). The charts are printed on a special paper, and the recording pen is filled with a special ink. A very light and com pact case houses the Altigraph, with corner attachments at the top and bottom for suspension purposes if de sired. Approximate measurements are 7| in. x 4J in. X 4 in., and weight 2 lb. Inquiries should be addressed to Short & Mason, Ltd., Aneroid Works, Walthamstow, London, E.17. TRAINING AT GATWICK "THE Redwing School of Flying, 1 which operates at Gatwick Aero drome, Lowfield Heath, Surrey, sets out full details of the courses they have organised for training pilots and engineers in a pamphlet just received. The main students' course is arranged to extend over two years, but there is an alternative and comprehensive one- year course when the longer period is not within the student's means. WELDING THE August issue of The Welder, 1 published by Murex Welding Pro cesses, Ltd., contains part III of the article on the Spanweld system, an article on the finish of welded plant, and many other features of informa tive value to those interested in the practice of welding. This magazine will be sent each month free of charge on application to The Welder, Ferry Lane Works, Forest Road, E.17. STEEL v. RUBBER SPRINGS ""THE results of long investigation *• into the relative merits under varying conditions of steel springs and rubber springs are published in a booklet produced by the Coil Spring Makers' Association, Williams Deacon's Bank Chambers, Church Street, Sheffield, to whom all corre spondence should be addressed. This investigation, which was instituted by that Association, is of primary in terest to railway and transport engi neers, as the results bear especially upon buffing and drawgear. One con clusion arrived at in favour of the rubber spring that will have an in terest for the aircraft constructor is its advantage in the weight factor. Rubber requires about 2.9 lb. per inch-ton of capacity, as against 4.2 lb. for the steel coil spring, which, in other words, means that the steel spring for a given capacity weighs about 45 per cent, more than the rubber, but the cost of the steel spring is only about half that of the rubber. This result published in favour of the rubber spring as regards weight is one example of the impar tiality of the investigators in their comparative tests. RAPID REFUELLING AUR illustration shows the refuel-w ling from the Shell-Mex & B.P. lorry of the Spartan Mailplane prior to Capt. N. Stack's flight to India, and serves to remind us of the patient and untiring industry of those who serve these fuel lorries to main tain the supply for aircraft in all parts of the country. The recent itinerary of this lorry included some active work in connec tion with the Week-end Aerien. After serving our foreign visitors on their arrival at Heston, it left at once on an all-night journey to Bristol, arriv ing in time for the landing of the visitors on Friday morning. It re turned again to Heston and was ready to meet the demands when the air craft flew back on the Saturday. That night it left for Lympne to cover the general departure for the Con tinent. Altogether Shell-Mex & B.P., Ltd., supplied 25 of the visiting machines with spirit, and in addition it attended to the requirements of 17 marshals. Aero Shell oil was also used by 14 visitors. The lorry was in attendance at the Nethercourt Aero drome at Ramsgate las+- Sunday, nd seldom does any important flying meeting take place at which this " rapid refueller " is not to be seen. at a different town each day, and over 126 towns have now been visited. At each performance the machine is subjected to many severe forms of aerobatics, such as inverted loops, bunts, upward spins, flick rolls and flick loops. So far, the " Tiger Moth " has never once been out of action through mechanical failure or trouble of any description. The machine enables Fit. Lt. Turner- Hughes to put up some of the most masterly exhibitions of aerobatics seen. TRIBUTE TO THE TIGER MOTH^i CLT. LT. TURNER-HUGHES has done 320 hours of flying in the " Tiger Moth " since April 12 at National Aviation Day Displays all over the country, Sir Alan Cobham informs the de Havilland Co. He carries out four items in the pro gramme twice daily. This involves four displays of diverted flying daily 906 CAPT. STOCKEN'S NEW ADDRESS ("•APT. R. H. STOCKEN informs us that his work during the past year or so has justified him trans ferring his office to Dorland House, 18-20, Regent Street, London, W.l (Phone Whitehall 8845). Capt. Stocken has done a great deal of engine flight test work, advanced dual instruction, seaplane instruction, and similar work, and is prepared to pur chase aircraft on behalf of private owners, and undertake liaison work for firms of the aircraft industry at home and abroad. He also speaks French fluently. SHERARDIZING A LITTLE book on the history, ^* operation and application of the process of rust-proofing, known as Sherardizing, has been written by Mr. G. Petrie and Mr. J. C. Mills, and published by Whitehead Brothers (Wolverhampton), Ltd., price 2s., post free. This process employs zinc dust as the medium for rust-proofing, applied by heat-treatment, the zinc dust being the product of zinc distil lation. Details of an Air Ministry test are quoted in the book. Sea-water spray tests were made on treated samples of steel strip, a universal joint and bolt and nut, the thickness of the Sherardized coating being 0.0002 in. These samples were exposed in a weathering shed for eight months and sprayed with sea water three times per day for the whole period. At the end all the samples were coated with a whitish corrosion pro duct and showed small amounts of rust. On the whole, corrosion did not appear to be serious, but protection over a longer period would have been expected with a heavier coating of the same quality. The address of the publishers is 32, King Street, Wolver hampton.
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