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Aviation History
1919
1919 - 0472.PDF
If MoiggJ f 4 The G.W. '« Bantam " in flight, piloted by Capt. Chamberlain. A.PRIL 10, IQIQ covering of the body is fabric in the rear half and three-ply wood in front. The controls are of a very neat type, and are illustrated in some of the accompanying sketches. The details of the universal joint of the control stick are somewhat unusual and form the subject of a sketch. On the dash in front of the pilot are mounted a very complete set of instruments, conveniently arranged. The engine plate is one of the lightest we have yet seen, weighing as it does only 12 lbs. It consists of the usual capping plate over the nose of the fuselage, made of 14 gauge steel and further lightened by circular holes, flanged to give greater rigidity. The rear engine-bearer is formed by a pyramid of channel section members bolted to the main engine plate and carrying at their other end—at the apex of the pyramid—the rear engine support. The engine—an 80 h.p. le Rhone—is overhung and is surrounded by an aluminium cowl. At present no " spinner " is fitted, but later it is intended to fit one over the hub of the airscrew. The latter has, we understand, been designed according to data furnished by M. L. de Bazillac, who has devised a method which affords, by the simple use of a series of charts, the simultaneous solution of both aerodynamical and static propeller problems at a glance without any involved calculations, all such data as diameter, pitch angle, blade sections, intake velocity, etc., E E E E E E BEE S E H E E E E £ E E E E Capt. Chamberlain, the G.W, pilot of the Gra- hame-White 4' Bantam,'' in the cockpit, and standing against the machine, M. £. Boudot, the designer HEMHEWEEHH THE GRAHAME-WHITE DAY BOMBER " GANYMEDE.*'—This machine is fitted with three Sunbeam "tMaori " engines of 270 h.p. each. Near the ground the speed is 105 m.p.h., and at 10,000 ft. 93 m.p.h. The landing speed is about 52 m .p.h. The total weight of the machine loaded is 16,000 lbs., and she has an endurance of nine hours at 10,000 ft. The photograph shows the machine being wheeled out in readiness for a flight' 472
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