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Thumbnail preview of 1946 - 2270 - 0306.pdf...n circular flight and also to supply the electric current, but how much of ^ the lift is provided by the wings and how much by centrifugal force is a matter for speculation. These models are known as R.T.P. models (meaning RESEARCH IN SCALE : This model Vampire, developed bythe A.B.A. research department, is the first jet-propelled miniature aircraft to fly and is demonstrated at the exhibition. s...
1946 - 2270 - 0306.pdf
Thumbnail preview of 1941 - 2408.pdf...fronts elsewhere during the winter. British successes in the Middle East during the coming months will, in turn, help the Russians next spring. Our New FightersA RUSSIAN publication translated by the R.T.P. section of the Ministry of Aircraft Production, dated last January, stated that "the only new tactical development in the present war is the use by the Germans of the two-seater fighter-bomber ...
1941 - 2408.pdf
Thumbnail preview of 1988 - 1870.pdf...-— ,^J«'.> / •••rtp,~M IB \ •pAtm a m jgffi?.*^ • *!ig --• k_vc ^. -^ 'I UboJasirfli^L-U -r-^- >^^*^™n,ir_^ .:...-.•., • | i r &L .^*S. ;V^ .HAP j>* 9 Ro«J Business F>ui*3hins ©881 Time sc...
1988 - 1870.pdf
Thumbnail preview of 1939 - 0576.pdf...8 FLIGHT. ADVERTISEMENTS. MARCH 2, x939. To ensure accuracy in chemical and physical qualities to A.I.D.and B.S.S. Specifications, uSe alloy Steels melted by the Electric process. ;ANDERSON DRO...
1939 - 0576.pdf
Thumbnail preview of 1941 - 1950.pdf...he Forlanini aerodrome, Milan, in the presence of General Alberto Briganti, Commander of No. 1 Air Zone. The particulars of the machine quoted in a translation by the Ministry of Aircraft Production (R.T.P.) stated that the machine was built entirely of metal, had a gross weight of 8,800 lb., retractable landing gear and a pressure cabin. The machine was driven solely by the reaction of ejected ga...
1941 - 1950.pdf
Thumbnail preview of 1941 - 2235.pdf...and American opinions on fighter design, the former having been written by M. P. Stroyeu and published in the Russian journal "Aero- nautical Engineering." The translation is published by courtesy of R.T.P. of the Ministry of Aircraft Production. The second part of our article is written by Lawrence D. Bell and was originally published in "Aviation." Mr. Bell is president and general manager of th...
1941 - 2235.pdf
Thumbnail preview of 1947 - 0199.pdf...ble, ofNorwich. They were married in Bridg- north (Shropshire) last Thursday andafter their honeymoon will be going to Nigeria, where Mr. Noble is engaged inthe Colonial Administrative Service. * * y R.T.P. models of the Vampire and theSandringham, demonstrated at the third National Model Aircraft Exhibition heldin Dorland Hall, Lower Regent Street, London, during January, are featured ina film of...
1947 - 0199.pdf
Thumbnail preview of 1942 - 0142.pdf...hed in the Journal of the Society of German Engineers (Z.VDI) of September 20th, 1941. We are indebted to the Ministry of Aircraft Production for the following translation by Mr. L J. Goodlet, of R.T.P. of H: 288 7 km. the air density is only e.g., at an altitude 0.59 kg./cbm., compared • with 1.23 kg./cbm. at the ground. Since the internal effi ciency of an internal - com bustion...
1942 - 0142.pdf
Thumbnail preview of 1942 - 0550.pdf...comes necessary to cool the air before it enters the engine. This article, taken from the "Jahrbuch der deutschen Luftfahrtforschung," 1938, and trans lated by Mr. K. M. M. Goggin, of Department R.T.P. of the Directorate of Scientific Research, deals with some of the problems encountered when air has to be cooled by air. medium. For this reason, the cooling surfaces have to be relatively...
1942 - 0550.pdf
Thumbnail preview of 1943 - 2040.pdf...erse criticisms. A Russian Fighter '"'I THE detailed review of the Lagg-3 ;which appeared in the last issue of Flight was based upon a translation pro- vided by the Ministry of Aircraft Pro- duction (R.T.P.), mainly from Flyg, Sweden. Features of the Lagg fighter are wood construction and comparatively light flying weight (7,056 lb.). It mounts a V-type 12-cyl. engine of 36 litres, the specific we...
1943 - 2040.pdf
Thumbnail preview of 1943 - 2992.pdf... jet or rocket propulsion as applied to aircraft. The article was originally published in the Swiss journal " Flugwehr und Technik " of July-August, 1941, and has been translated by N. P. Akimoff for R.T.P. of the Ministry of Aircraft Production. The original article devoted a good deal of space to the laws of jet propulsion, but as the mathematics might prove somewhat embarrassing to many of our ...
1943 - 2992.pdf
Thumbnail preview of 1945 - 0901.pdf...eople are, and (b) one ofthese complete Strangers. The Stranger approaches Rotol TestPilot and says : '' Have we not met some- where before ? " "Yes, I'm sure we have, somewhereor other," replied the R.T.P. out of sheer politeness. "What are you doing now? " askedthe Stranger by way of stimulating con- versation. "Oh, I'm still with Rotol." '' Rotol ? Rotol ? who on earth arethey?" said the Strang...
1945 - 0901.pdf
Thumbnail preview of 1945 - 2410.pdf...rachutists at two carefully selected points, together with enough " Window " to magnify them into an airborne divi- sion 20 times its actual size. German Aeronautical Progress MR. W. J. STERN, of the R.T.P. branch of the Ministryof Aircraft Production, who accompanied Sir RoyFedden on his mission of investigation of German aero-nautical research and production plants, has now spent over three mont...
1945 - 2410.pdf
Thumbnail preview of 1950 - 2061.pdf...fin or right below it, even if it means usinganhedral. For further studies of the subject, I would recom- mend Aerodynamics of the Fuselage, by H. Multhopp. This isavailable as an M.O.S. translation (R.T.P. No. 1220). I agree with Mr. Wreford-Bush that my formula is approxi-mate, but then, so is the R.Ae.S. method. By the latter, one can make practically every modern aircraft look stable or un-sta...
1950 - 2061.pdf
Thumbnail preview of 1940 - 3229.pdf...,000 to 3,000 kg. per metre, fora unit weight of 600 gm. and thickness of not more than 0.25 mm. New Covering for the Wing Unit of Aircraft. (L'Ala d'ltalia,16-30.6.40, p. 51.) (Abstracts prepared by R.T.P. and made available bycourtesy of Ministry of Aircraft Production....
1940 - 3229.pdf
Thumbnail preview of 1940 - 3558.pdf...able but must be effected by the throttle at all times. Bendix-Stromberg Injection Carburettor. (Inter Avia, No. 723, Aug. ig, 1940, pp. 1-4.) (Abstracts prepared by and made available by courtesy of R.T.P. of the Ministry of Aircraft Production....
1940 - 3558.pdf
Thumbnail preview of 1941 - 0346.pdf... formula, should make good trainers. MODERN TECHNICAL DEVELOPMENTS Rotating the Landing Wheels : Upper Air Conditions : Recovery from Spinning (Abstracts prepared by and made available by courtesy of R.T.P. of the Ministry of Aircraft Production) '"THE use of runways of concrete or with surface aggre- -* gates such as asphaltic concrete or macadam has resulted in a considerable reduction in the li...
1941 - 0346.pdf
Thumbnail preview of 1917 - 0340.pdf...APRIL 12, 1917. speed meter, fire extinguisher (chemical sprinkler type),searchlight. The contractor must show that the fabric factor of safetyunder normal running conditions for any part of the dirig...
1917 - 0340.pdf
Thumbnail preview of 1989 - 1585.pdf...YOUR VIEW-Should bins be locked? SIR—At the time of the Manchester disaster, three-and- a-half years ago, I read that people were preoccupied with getting their hand luggage out of the overhead ...
1989 - 1585.pdf
Thumbnail preview of 1913 - 0970.pdf...I/IICHTI AFFILIATED MODEL CLUBS DIARY AND REPORTS. CLOB reports of chief work done will be published monthly for the future. Secretaries' reports, to be included, must reach the Editor on the las...
1913 - 0970.pdf
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