Project Gutenberg 2007-06-10 Public domain in the USA. 270 Barber, H. (Horatio) 1875 1964 The Aeroplane Speaks. Fifth Edition Produced by Jonathan Ingram, Marvin A. Hodges, David Garcia and the Online Distributed Proofreading Team at http://www.pgdp.net "The Aeroplane Speaks" by H. Barber is a scientific publication written in the early 20th century. This engaging work provides insights into the principles of aviation, detailing both the mechanics of flight and the experiences of pilots. The text includes practical assistance for pilots and aircraft designers, making it a useful resource for those interested in aeronautics during this innovative period in aviation history. The opening portion of the book depicts a captivating lecture scenario where the fundamental principles of flight personified—like Lift, Thrust, and Efficiency—engage in a lively discussion about their roles in securing flight. Through a humorous and anthropomorphic dialogue, the author introduces concepts essential to understanding aerodynamics while also highlighting the complex interplay between various aerodynamic forces. The narrative effectively sets the stage for a deeper exploration of flight mechanics, as different characterizations of these principles reveal their unique challenges and relationships in creating a flying machine. (This is an automatically generated summary.) Reading ease score: 69.4 (8th & 9th grade). 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