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its normal flying speed and the controls are light and extremely effective.

V. ENGINE INSTALLATION

The Armstrong Siddeley Jaguar engine is mounted on a pressed steel frame in such a way that it can be withdrawn from the aeroplane without removing the carburetor or any other of its parts. The engine cowling is of the simplest possible construction and it is so arranged that it remains on the engine when this is dismounted. All ordinary adjustments to the engine can be carried out without removing any of the cowling. A large door is provided on each side of the aeroplane so that the gear on the back of the engine is completely accessible.

Gasoline is fed to the engine from the gravity tank on the top of the frame containing sufficient fuel to run the engine for about three quarters of an hour. The remainder of the gasoline is carried in a tank inside the body from which gasoline is pumped by a wind driven pump to the gravity tank. By this means the gravity tank is kept full so long as there is gasoline in the main tank. The surplus from the pump drains back into the main tank, first passing a gauge which indicates whether or not it is

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