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Aviation History
1926
1926 - 0647.PDF
SEPTEMBER 9, 1926 THE 1926 MACHINES In the following pages we give brief descriptions of the machines entered for this year's light 'plane competition at Lympne. In most instances the machines taking part are those of 1924, which are already, well known to our readers, and which, therefore, do not call for any detailed descriptions. In a few cases new machines have been built specially for this year's meeting, and out of these two have recently been described and illustrated in FLIGHT. These are the Avro " Avenger " and the Cranwell C.L.A. 4 (August 26 and Sep- tember 2 respectively), a detailed description of which is not, therefore, deemed necessary. There still remain two or three new machines to be described in detail, however, these being the Farnborough " Sirocco," the Halton biplane, and the A.N.E.C. " Missel-Thrush." These are described in the following notes in their proper place, the machines being arranged according to their numbers in the competi- tion. In the following table we have compiled such information about the various machines as are thought to be of interest in connection with the competition. It is regretted that the table is not quite complete, but a few constructors have not come forward with the informtion required, for which we apologise, but for which also we can scarcely hold ourselves responsible. No. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Entrant Blackburn Aeropl.Co De HavillandAircr. Co. Bristol Aeropl. Co. R.A.E. Aero. Club R.A.E. Aero. Club Sopwith and Sig- nsiSupermarine Avn. WorksHalton Aero. Club A. V. Roe and Co. A. V. Roe and Co. Cranwell Lt. PI. L1UDCranwell Lt. PI. ClubH. W. Martin George G. Parnall Seven Aero, Club.. Seven Aero. Club Pilot Sq.-Ldr. Longton.. Capt. G. De Havil-land and Capt. H. BroadC. F. Uwins Flt.-Lt. Grav orF.O. Ragg F.O. Mackenzie orF.O. Ragg P. W. S. Bulman . . Capt. Biard Flt.-Lt. Hallidav &Flt.-Lt. Trench B. Hinkler.. VVg. Com. Douglas — Flt.-Lt. Comper .. Lt.-Col. Henderson F. T. Courtney F.O. Boycs Flt.-Lt. Ritchie .. Type of Machine " Bluebird " Bi. .. " Moth " Bi. " Brownie " Mono. " Cygnet " Bi. 11 Sirocco " Mono. " Cygnet II " Bi. "Sparrow II" Mono.Halton Bi. " Avian " Bi. " Avis " Bi. " C.L.A. 4 " Bi. . . " C.L.A. 4 " Bi. .. A.N.E.C. " MisselThrush " Bi. " Pixie III " Mono. Short " Satellite "Mono. Westland " Wood-pigeon " Bi. Engine Type andPower 75 " Genet " 75 " Genet " 36 " Cherub " 36 " Cherub " 36 " Cherub " 36 " Cherub " 36 " Cherub " 36 " Cherub " 75 " Genet " 35 " Thrush " 65 " Pobjoy " 36 " Cherub " 35 " Thrush " 36 " Cherub " A.B.C. " Scorpion " A.B.C. " Scorpion" WingSpan Ft. In.28 0 29 1) 37 4 28 1) 28 (I 34 0 28 6 32 (1 30 0 27 4 27 4 28 0 32 5 34 0 22 9 WingArea Sq. Ft.237 229 I8(J 165 165 192-5 195 294 255 164 164 210 137 168 155 WeightEmpty Lbs.705 720 610 364 505 •181 660 590 480 500 610 Weightof Fuel and Oil Lbs. 105 105 46 48 61 60 105 65 This.m 54 50 6o 73 UsefulLoad Lbs.340 725 340 360 434 340 835 340 a_chinc h 340 340 340 340 Totalloaded Weight Lbs.1,150 1,550 996 772 1,000 880 1,600 995 as been 874 890 1,010 PowerLeading Lbs.'h.p. 17-7 23-9 31 1 24 1 31-2 27-5 24-7 31 1 scratch 27-3 27-8 29 7 WingLoading Lbs./sq. ft. 4-85 6-76 5-52 r— 4-67 5-2 4-5 5-45 3-90 ed 5-3:> 4-24 6'0 No. 1. The Blackburn "Bluebird " Arm.it -ong-Sidde'ey " Ger.et " The Blackburn " Bluebird " is the original side-by-side biplane designed for the 1924 Lympne meeting, for which it was finished too late to take part, modified and strengthened up to take the Armstrong-Siddeley " Genet " engine. The mounting of the engine is, of course, new, but is of the same type as that used for the original Blackbume engine in the 1924 machine. Of other alterations mention may be made of a slight modification of the cockpits. Originally these were side by side, but they are now slightly staggered in order to give the seat width called for in the competition. The wide fuselage is of mixed construction, that is to say the forward portion, from aft of the cockpits to the nose, is of partly tubular construction, while the rear portion is a normal box girder with four wood longerons and wire bracing. The No. 1. THE BLACKBURN " BLUEBIRD Side View.
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