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Aviation History
1938
1938 - 0582.PDF
204 FLIGHT. MARCH 3, 1938. I' L.. .L. ~1 LATECOERE -* 631. S.E.200. .*-:,"."• Data are: Span 187ft. (about 25ft. more than the Lieutenant), weight empty 53,350 lb., all-up weightI 3I>359 1D-> gross weight in "overload" condition 145,000 lb., top speed 260 rn.p.h., cruising speed at 70 per cent, power 217 m.p.h. The new combination of Liore et Olivier and Romano (S.N.C.A. de Sud-Est) is working on the S.E.200 (late LeO 49), another six-engined model (Gnome Rhone P. 18) with conventional outboard floats and a hull reminiscent of the Short Empire boat. Figures are : Wing area, 3,552 sq. ft. ; weight empty (without equipment), 57.760 1b. ; all-up weight, 134,920 1b. As in the case of the Latecoere 631, a 10 per cent, overload is permissible. Intended for similar work the C.A.M.S. 161, now under construction, will be fitted with six engines of lower power —liquid-cooled Hispano Suiza 12 Ydrs2, delivering a total of 5,520 h.p. at 1,500m. Wing floats are retractable as in the Latecoere, the long tail fairings extending for some distance behind the wing. In essentials the wing resembles a scaled-up version of that on the new C.A.M.S. 141 mili- tary flying boat which has just been launched. The 141 has four Hispano Ys and a modicum of strut bracing. Not the least interesting feature of the 161 will be the radiator system : in addition to surface cooling employed for cruising there will be retractable radiators for use at take-off. Data relating to the C.A.M.S. 161 are: Span, 151ft.; wing area, 290 sq. ft.; weight empty, 41,667 lb. ; all-up weight, 81,570 lb. ; top speed (at 1,500m.), 220 m.p.h.; cruising speed (at 4,000m.), 186 m.p.h. A point of particular interest concerning the develop- ment of these huge machines is that, in many cases, large- scale models are made, not only for the wind tunnel, but for actual flight tests. The C.A.M.S. concern have a model of the 161 fitted with six Train engines of 60 h.p. apiece. A pilot and observer are carried on test flights. A CROP OF BRITISH PROTOTYPES THIS week it becomes permissible to refer to certainnew prototype Service aircraft now under construc-tion or on test. Prominent among these are two new ab initio trainers of entirely new design and of wooden construction. Built by the Heston Aircraft Co., Ltd., and Phillips and Powis Aircraft, Ltd., these machines meet Air Ministry Specification T.1/37, and it is reasonable to sup- pose that whichever is chosen for large-scale production will eventually supersede the three types of initial training machines at present in service with the R.A.F. The Heston Aircraft machine, two examples of which are being built, is a tandem two-seater, low-wing mono- plane with a D.H. Gipsyqueen I engine, which is virtually a Gipsy Six Series II. In general layout and in power plant the Miles machine is similar. A new version of the Armstrong Whitworth Whitley heavy bomber monoplane is listed—the Whitley IV, with two Rolls-Royce Merlin engines. These may be of the Merlin X series with two-speed blower, power figurec for which are given hereafter. In view of the fact that the Whitley with two-speed-supercharged Tiger VIIIs of lower power is estimated to do 215 m.p.h., the performance with the Rolls-Royces should be quite outstanding. Among the new engines is a Kestrel Special, details of which are not available, and a moderately supercharged Merlin, designated the Merlin M.S. The latest type of fully supercharged Merlin is the Merlin III. Figures for the new two-speed-supercharged model previously mentioned are: 1,000//.040 h.p. at 2,500ft., and 925/965 h.p. at 13,250ft. Recent Bristol types include three experimental Hercules —H.E. (iSM) (two-speed supercharger), H.E. (4M) (moderately supercharged), and H.E. (5M) (modefately supercharged). Perseus models are the Pr.E (iS), VI, VIII, X, XI and XII. The Series VI is rated at 715/ 745 h.p. at 6,500ft., the VIII at 645/670 at 5,000ft., and the XII at 715/745 h.p. at 6,500ft. All except the Per- seus X are moderately supercharged. Apart from the Pegasus XVII and XVIII, which are already familiar, there are the P.E. (6S) and the Pegasus XIV and XV (fully supercharged). The Napier Dagger engine previously known as the E.108, is now designated the Dagger VIII. Engines of this type are being installed in Hereford bombers now under construction in the Short and Harland factory at Belfast. The Hereford is a development of the Handley Page Hampden. A Hambie Send-off IF the future warmth of a Mess depends upon the success ofthe house-warming party, the brand-new Mess of Air Ser- vice Training, Ltd., at Hambie, threatens to be stifling. That was the thought of one of the many who enjoyed theinaugural dance last Friday. Group Capt. R. F. J. Barton, the Commandant, and Mrs.Barton, received the guests, most of whom found an opp<l!" tunity during the evening of inspecting the new building, andin many cases of trying the billiards and ping-pong tablfS- The fine entrance hall, large dining room (and, incidentally,the excellent buffet) were duly appreciated.
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