Military aeroplanes; an explanatory consideration of their characteristics, performances, construction, maintenance, and operation, for the use of aviators . ypes •— the Wright, however, had two propellersand the Curtiss only one. These types were open-bodied, entirelyunprotected, and with the motor to the side of or behind the aviator. A few years of development, led to the ado])tion of cither a na-celle —• short fuselage, protecting seats and motor only, — or a using a fuselage on a pusher machine, it becomes necessary eitherto mount a i)ro])ellcr at the extreme rear t()r])edo fa
Military aeroplanes; an explanatory consideration of their characteristics, performances, construction, maintenance, and operation, for the use of aviators . ypes •— the Wright, however, had two propellersand the Curtiss only one. These types were open-bodied, entirelyunprotected, and with the motor to the side of or behind the aviator. A few years of development, led to the ado])tion of cither a na-celle —• short fuselage, protecting seats and motor only, — or a using a fuselage on a pusher machine, it becomes necessary eitherto mount a i)ro])ellcr at the extreme rear t()r])edo fashion, to mounta propeller on either side, or to have a proi)cller running on a large bear-ing around the fuselage. In pusher flying boats the propeller tipsjust clear the boat. The earliest Wright machine had the elevator in front, so thatto ascend the elevator was tiirncd up, thus lifting up the nose, andyice versa; whereas, when it was later changed to the rear, for reasonsof stability, to ascend it became necessary to turn the elevator theopposite way, thereby pressing down the tail. This distinguishes frontelevator and rear elevator. 17. MILITARY TRACTORSAbove — Tractor with stagger, overhang, wing flaps and flat — Tractor with ailerons and dihedral span. The rudder has no fixed surface in front of it, and being hinged so as to balance the air , it is called a balanced —Tractor with double flaps, high rudder and fins for directional stat)ility. 18
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectairplanes, bookyear19
