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Aviation History
1913
1913 - 1347.PDF
DECEMBER 20, 1913. clearly shown in one of our sketches. The tail consists of a semi-circular stabilizing plane, to the trailing edge of which are hinged two elevator flaps with a balanced vertical rudder, almost circular in shape, between them. The simple tail skid is shown in one of the sketches. i/Dm formances of this biplane, we referred to these last week, but they are worthy of repetition. Tested over the measured course at Farnborougb, fully loaded with " Flight " Copyright The simple and strong tail skid of the new 80 h.p. Sopwith biplane. Lateral control is by wing warping, the movement being carried out by a wheel mounted on a vertical column, a fore-and-aft movement of which operates the rear elevators through a connecting rod and counter shaft. The warp cables are led from a rockshaft to pulleys let into the uprights of the/use/age just above the rear spar attach ments of the lower plane. From these pulleys the cables go to the top sockets of the rear outer struts. A continuous cable also runs from each of the outer rear strut sockets of the lower plane over pulleys on the tops of the two rear struts attached to the fuselage. The new tubular steel rudder bar forms the subject of one of our sketches, so needs no further comment here, other xhan we should think that its shortness has much to commend it on account of the sensitive nature of the control on a machine of this type. As regards the actual per- " Flight " Copyright Detailed view of the Sopwith hinged axle and radius-rod on the landing chassis. fuel for 3 hours, pilot and passenger, a maximum speed of 92 m.p.h. and a minimum speed of 36-9 m.p.h. were attained. The climbing speed was 1,200 ft. in one '""*«K, The new type of rudder-bar on the 80 h.p. Sopwith biplane; note the shortness and inclined position of the same. On the right detailed skach showing the attach ment of the rear spar to the fuselage. 1373 "Flight" Copyright. The combined back rest and fuselage cross-member of the 80 h.p. Sopwith biplane. minute, also fully loaded— quite a credit to British aero plane design. It was originally intended to take this biplane over to Paris during the Aero Show in order to demonstrate its wonderful capabilities in the home of aviation, so to speak. We understand, how ever, that this plan has been changed, and that the machine has been sent out to Australia, where Mr. Hawker will put it through its paces above his native soil, and endeavour to rouse the interest of the Australian Government. After staying there some months, we may hope to see him back in England. Our readers will, we feel sure, join us in wishing both Mr. Hawker and the Sopwith Aviation Co. every success in this latest enterprise. D
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