Military aeroplanes, simplified, enlarged; an explanatory consideration of their characteristics, performances, construction, maintenance, and operation, specifically arranged for the use of aviators and students . Close view of the car of aBlimp, similar to a trac-tor aeroplane fuselage. A Blimp dirigible starting out. Therudders at the rear may be noted. 2. FLYING MACHINES. The Aeroplane — In distinction to the airship, supported in the airby a buoyant gas, the aeroplane is supported by an upward windpressure, generated by its own speed through the air. This lift-ing pressure is obtained on
Military aeroplanes, simplified, enlarged; an explanatory consideration of their characteristics, performances, construction, maintenance, and operation, specifically arranged for the use of aviators and students . Close view of the car of aBlimp, similar to a trac-tor aeroplane fuselage. A Blimp dirigible starting out. Therudders at the rear may be noted. 2. FLYING MACHINES. The Aeroplane — In distinction to the airship, supported in the airby a buoyant gas, the aeroplane is supported by an upward windpressure, generated by its own speed through the air. This lift-ing pressure is obtained on specially formed wing surfaces, whichare set at an inclined angle, and forced through the air at the re-quired speed by an air propeller. Suitable auxiliary surfacesand rudders are used to preserve the equilibrium of the craft andto enable the pilot to steer it. 10 The Helicopter — Air propellers are similar in character to marinescrew propellers, and not only are they made use of to push orpull an aeroplane, but it has been proposed, in operating themon a vertical axis, to use their thrust directly^ in lifting type of flying machine is called the Helicopter or directlift machine, and does no
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectairplanes, bookyear19
