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Aviation History
1930
UNTITLED0 - 1368.PDF
FLIGHT, NOVEMBER 21, 1930 32 HENDY THE HENDY AIRCRAFT CO., LTD. SHOREHAM-BY-THE-SEA, SUSSEX r\ESIGNED by Mr. Basil B. Henderson, the " Hendy 302 " is a low-wing *-' cantilever monoplane cabin machine intended for the private owner. The machine incorporates in its wing construction some unusual and patented features of which Mr. Henderson is the inventor. It is well known that with cantilever wings it is more difficult to provide torsional stiffness than adequate strength in bending, and the Henderson system of wing con- struction, here carried out in wood but easily adapted to metal construction, is designed to give great torsional stiffness. Fundamentally, the system con- sists in duplicating the internal drag bracing of the wing and placing one set of bracing on the upper faces of the spars and one on the lower. The bracing itself consists, in the "302," of crosses or " X " members of wood, attached by three-ply gussets to the top and bottom faces of the spars. Thus the spars and duplicate bracing crosses form a sort of box which is very rigid in torsion, and experience with two machines has shown that the Henderson system of wing construction is not only strong but also reasonably light. The " Hendy 302 " is a monoplane of very clean lines. The first machine was rushed through in time for the King's Cup Race, and although bad course-keeping prevented the machine from showing what it could do, the speed over one stage of the course was such as to demonstrate that the " 302 " is very fast, the maximum being a little over 130 m.p.h. Cruising at 1,900 r.p.m., the machine flies at 112 m.p.h. Structurally, the " Hendy 302 " is mainly of wood construction, this being simple, light and cheap when machines are being built in fairly small quantities. Mr. Henderson and Captain Percival are now arranging for the machine to be built in considerable numbers, and if later it should be found advisable to produce a metal version there is no great difficulty in doing so. The cabin of the machine is roomy and well lighted by large windows in the sides and roof, and the view, particularly from the front cockpit is good, much better than one would expect. The front seat is far enough forward to enable the pilot to look over the leading edge, and the taper of the wings is such that towards the tips they obstruct the lateral downward view to a surprisingly small extent. The cabin top could, if desired, be removed and the machine used as an open tourer, but the absence of draught and noise which the cabin top affords makes it unlikely that anyone would, after trying the machine, wish to do away with the cabin. The engine of the " 302 " is a " Cirrus-Hermes II," completely cowled in. The smooth and narrow top of the cowling obstructs the view but little, but if a purchaser should so desire there should be no difficulty in fitting an inverted engine, either the inverted " Hermes " or the " Gipsy III." The petrol tanks are placed in the wing, and fuel is supplied to the engine by pump. LE " HENDY 302 " a ete etudie et misau point par M. Basil B. Henderson comme appareil rapide bi place de tourisme II est equipe d'un moteur " Cirrus-Hermes.'' C'est un monoplan conduite interieure a aile surbaissee, dont la plus grande partie est en bois. Le longeron d'aile est d'un type tout particulier brevete par M. Henderson, qui donne une structure d'aile tres resistante a la torsion, de sorte que le battement d'aile est presque impossible avec cette construc- tion. Le toit de la cabine est monte a char- niere d'un cote et peut s'enlever complete- ment au besoin : l'appareil devient alors un biplace ordinaire a poste decouvert. Malgre que la cabine soit fermee, les vues du siege du pilote (siege avant) sont excel- lentes. Cet avion est tres rapide. CL " HENDY 302 " ha sido disefiado por *•"•" Mr. Basil B. Henderson como aeroplano rapido de dos asientos para el turismo. Tiene instalado un motor " Cirrus-Hermes " y es un monoplano de cabina, de ala baja, construido principalmente de madera. El larguero del ala es de un tipo excepcional, patentado por Mr. Henderson, y da una estructura de ala que es muy rigida en la torsion, de modo que con esta construction la sacudida del ala es casi imposible. El techo de la cabina esta engoznado a lo largo de uno de los lados, pudiendo omitirse totalmente cuando asi se desee, en cuyo caso queda una maquina ordinaria de dos asientos. A pesar de que la cabina es cerrada, la vista desde el asiento del piloto (el asiento del frente) es muy buena ; la maquina es sumamente rapida. Hendy 302 2-seater light aeroplane. (Cirrus Hermes engine.)Biplace leger Hendy 302 (moteur Cirrus Hermes). Aerjplano ligero Hendy 302, de dos asientos (motor Cirrus Hermes). 1296
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