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Aviation History
1914
1914 - 0269.PDF
MARCH 14, 1914. (/y^g The 200 h.p. Wight seaplane. form at last year's Aero Show, although, of course, several alterations suggested by a great amount of flying during the past season have been effected. Most interesting, from an aerodynamical point of view, is the peculiar double-cambered wing section which several people were rather inclined to scoff at last year but which has since proved its worth. In fact so pleased is its designer, Mr. Howard T. Wright, with it that he has applied it to the propeller also, and with equally good results. We understand that this propeller has been tried against several well-known makes and has proved superior to them, at least for this particular machine. The engine fitted on this year's machine is a 200 h.p. Salmson mounted at the rear. Maker. Anzani... Argyll ... Austro- Daimler Benz ... Clement Gnome Green ... Mercedes Renault Salmson- Canton- Unne Sunbeam Statax ... Wolseley "8 CO M Ori i F 5. H Ra 11 11 11 GB II 11 G F 11 >> Vert II 11 IJ 11 Ro »> 1 11 GB Vert GB G F 1* Vert Ven V ,, „ )» )* II GB ,, ,» ,, ,, n ti „ ,» V II Ro »» V 11 1 i 0 1 A II »» W II 11 11 I) A >' W W W A M W 11 J) II 11 11 A »1 A&W W IM i 0 a. V C O a AERONAUTICAL .5 « B t_ . pe r Rev s Per k I 601250— 10011250— 1251250;— J ^ 1 0 3; a 0 ; Cylinders. SI 3 0. C -B 8« Fue l per Num a J a 0-03 0-63 0-63 10 10 10 12011200 6o-6 6 901300: 6,0'6 I20iI20O 6o-6 9s!i3So; 6°-5S 250 — ;— — So|i2oo—0-73 100J1200— o-73 65!i25o 300-55 72I1300 40-55 ioo;i20o3oO'56 120; 1300 40-56 105135° 6o"6 70:1800 — 0-64 100,1800 — 0-64 90 130 200 150 15° 225 10 40 75 30 1250—b-6i 1250 — o-6i 1250 — o-6i 1250 — o-6i 2000 — o-6 2000 — o-6 1400; 40-7 1200 80-58 1800J 40-7 1200 4 3-63 6 6 6 6 7 9 4 6 (» 8 12 7 9 14 9 cS 12 3 5 8 & s E 90 105 115 125 120 130 I06 — 124 no 140 140 120 96 96 120 (20 120 I20 90 90 58 too 3i" 5" aj km i B 120 "45 '55 '75 140 175 '53 — 140 150 152 152 140 120 140 140 I401 140 150 150 'So. 60 120 5i"i 7"i .2 QJ ENGINES Jacket. How Alin r» K a A S ! CI — tt 11 St — CI Electrolytic ,, ,» Welded St — n i> „ Rubber ring „ Rubber ring ,, Integral CI — 1* St Brazed If II 1) 71 It tt CI Electrolytic »» »i St — 11 „ 1) Jointed 1 Mat e — — — Steel Copper 1, Steel Copper — — Copper Copper Steel — — Copper 1, >> ,» Copper !» Copper AT OLYMPIA, 1914. Valves. Position. I. E. Head Head »» 1 II II I II Sinc.1 Htad », >> tn Head >> >> JI Piston „ Walls i „ Head ,, Head Head Head Head At side At side ,1 Head II 11 II Side 11 Head .. .. 11 Side l» II Head Head i) >i 11 11 *» 11 How operated. I. Auto 11 ,, E. R&PR II Car burettor. ! o' Type- * — Zenith 11 11 11 e sleeve R&PR R&PR »» II 1* I* 2 2 AD 2 2 Benz R R Auto R & PR 1 Gnome Piston „ 1 ,, R R 1 Zenith R R 1 2 Zenith R R 1 Mercedes Direct Direct —, — i] 11 R&PR R&PR 1 !» II 1 — M II II !» R R l» II Direct R & PR II 11 R&PR II 1 » 1; — 2 Claudel 4 >. i, G& A 1! ,. 1 Claudel 1 0 5 R 1 (j .2 3 *fi •8 3 §1 1! •ft,* JH U.S. 2 Gibaud Pump 242 2 ,, it * >. Bosch F & T 11 11 2 Bosch 2 »* FF J63 464 6oo» 405t 540t 365 — Pump 850 Bosch „ 207 11 »i „ 276 IF 298 Bosch FF 2 Bosch FF — F & S II 440 444 399 639 liiisch Pump J375 it 11 11 11 11 11 463 660 — Bosch F & S 480 2 Bosch ,, Bosch Pump 11 11 ., F&S II II — 60J 200 385 720 GB = Great Britain. Vert = Vertical. Ro = Rotary. St = Sfeel. CI = Cast iron. F & T = Forced to main crank-shaft bearings and trough. G = Germany. Ra = Radial. V = R = Rockers. FF = Fully forced. Including radiator. t Including radiator and water. F = France. Vee type. A = Air. W = Water. R & PR = Rockers and push-rods. F & S = Forced to crank-shaft bearings and splash. i Including oil and petrol tanks. Argylls, Ltd. (33.) THESE well-known motor car manufacturers will make their ctebut in the aeronautical industry with a 120 h.p. 6-cylinder sleeve- valve engine which has a bore and stroke of 125 mm. and 175 mm. respectively. The weight of the complete power unit including the radiator is 600 lbs. From the success that has been achieved by automobile engines embodying the form of valve with which this motor is fitted-—in confirmation of which it is only necessary to refer to the world's records established by a 15-9 h.p. Argyll car at Brooklands during last May, in the course of which two runs each of 14 hours duration were made—we believe that the engine should prove very successful in the /uture, as valve trouble has been a prolific cause of engine failure in the past. The engine exhibited has been entered for the Military Aeroplane Engine Competition, and we look forward with interest to the results of tests with this motor, which, so far as we are aware, is the first sleeve-valve engine to be used in aeroplane work. On the same stand, one of the first six experimental engines built by Messrs. Argylls, Ltd., will be exhibited as well as a sectional model showing the construction and method of driving the sleeve-valve. 269 Austro-Daimler Motor Co., Ltd. (87.) THIS firm, as the sole agents for the Beardmore Austro-Daimler Aero Engines, Ltd., who now manufacture these engines in this country, will exhibit two six-cylinder models upon their stand—a 90 h.p. 120 mm. by 140 mm., and a 120 h.p. engine 130 mm. by 175 mm. Both of these designs have seen much aeronautical service not only in this country, where the War Office, the Admiralty, Messrs. Sopwith, Cody and others have been purchasers, but also abroad, so that their reliability has been thoroughly tested. In the engines exhibited, various improvements have been incor porated, mainly in connection with the 90 h.p. motor, which is now more on the lines of the 120 h.p. engine, and in the construction of the cylinder. The original features which have so long charac terised these engines are, however, retained. Both engines are now provided with two-point dual ignition, which not only enables the engines to be started upon the switch (thereby avoiding the necessity for swinging the propeller except for the purpose of priming the cylinder) but also ensures the attainment of the maximum of power and precludes the possibility of the stoppage of the engine in the event of mis-firing at one set of plugs. Means are, however, fitted on both engines for hand starting by a IJ to 1
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