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Aviation History
1909
1909 - 0687.PDF
OCTOBER 30, 1909. FLYER SILHOUETTES FROM THE PARIS SALON. Continuedfrom page 674.) GREGOIRE-GYP. MONOPLANE, principally interesting on account of the method of While considerable care and attention has been given to the •warping the wings by means of a bevel-gear mechanism, which construction of the main wings and their warping mechanism, there •rotates the tubular steel main spars. The arrangement is both neat and compact, more, particularly, however, in that it is operated by the steering- wheel and is the «ole control in <flight. Depressing the horizontal steering - column "rotates both spars in unison and -warps both wings "in the same sense. The warping of the wings by means ot movable main spars depends on the provision •of a fixed fulcrum to hold the inner extremi- ties of the wings rigid. An accompanying sketch shows the arrangement diagrammati- •cally. Gregoire-Gyp Moaoplane at Paris Flight Show. GREGOlRt -GYP "Flight" Copyright. The wings on the Gregoire-Gyp monoplane are warped by means of movable main spars connected through bevel gear to the steering-wheel, as shown above. A rudder is fitted for use when the machine is running atout on ithe ground, but it is not intended to be operated in flight. ¥ H is a noticeable absence of equally good workmanship elsewhere. The chassis, which combines ski and wheels, at first glance resembles that on the Hanriot, and a comparison of the two designs is instructive. FERNANDEZ. Small biplane, designed to have a similar appearance to the .American-built Curtiss flyer ; its construction is, however, less con- vincing. Bamboo is used extensively in the outrigger framework, Elevator -Tan. but elsewhere the spars are wood. The decks are double surfaced, -and the trailing extremities of the planes are arranged to warp "Flight" Copyright. Steering and balancing is effected on the Fernandez biplaneby the use of two hand levers mounted on a vertical frame, which is itself pivoted for the purpose of operating theelevator. 689
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