Airplanes have motors because they need to fly somehow they can't just have pop-up wings and say, "Up Up and Away!!!!" so they could fly you retard so they could fly you retard so they could fly you retard
Joseph Liston has written: 'Fundamentals of powerplants for aircraft' -- subject(s): Airplanes, Jet propulsion, Motors 'Aircraft engine design' -- subject(s): Airplanes, Motors
Reginald Arthur Beaumont has written: 'Mechanical testing of metallic materials' -- subject(s): Airplanes, Materials, Testing, Metals 'Aero engines for students' -- subject(s): Airplanes, Motors 'The testing of aero engines' -- subject(s): Airplanes, Testing, Motors
Joan Everling Zigmunt has written: 'Allison, the people and the power' -- subject(s): Airplanes, Allison engines, General Motors Corporation, General Motors Corporation. Allison Division, History, Motor vehicles, Motors
Herschel Smith has written: 'Aircraft piston engines' -- subject(s): Airplanes, Motors, History
James Slough Zerbe has written: 'Carpentry for boys, in simple language' -- subject(s): Carpentry 'Aeroplanes' -- subject(s): Airplanes 'Motors' -- subject(s): Motors
Francis Pope has written: 'The airplane power plant' -- subject(s): Aerial Propellers, Airplanes, Motors
E H Sherbondy has written: 'Textbook of aero engines' -- subject(s): Airplanes, Motors
George Anthony Cavanagh has written: 'Model aeroplanes and their motors' -- subject(s): Models, Airplanes
Alfred Herbert Packer has written: 'Radio for the amateur' -- subject(s): Radio 'Electrical trouble shooting on the motor car' -- subject(s): Airplanes, Automobiles, Electric equipment, Motors 'Electrical trouble shooting on the motor car and airplane' -- subject(s): Airplanes, Automobiles, Electric equipment, Motors
Clarence John Moors has written: 'Aircraft engine mechanics manual' -- subject(s): Airplanes, Motors
John Schwaner has written: 'Sky Ranch engineering manual' -- subject(s): Airplanes, Maintenance and repair, Motors
Karl L. Herrmann has written: 'The Herrmann engine' -- subject(s): Airplanes, Motors, Technological innovations