Flappers - Terrence I Murphy - Libros - Createspace Independent Publishing Platf - 9781720459767 - 30 de mayo de 2018
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Flappers

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When man first walked the earth, he noticed and studied the birds, bats, insects, etc. and it's logical that he attempted to emulate these beautiful, wild, flying creatures by attaching feathers to his arms and flapping them. People in legends and fairytales have always been able to magically fly and ancient Chinese, Persians, Romans, Arabs, monks, scholars, warriors and craftsmen have all tried to build flying machines. History has shown that humans couldn't fly by flapping: not with wings covering their arms or using any other device at the time. It wasn't until the 1930s when Alexander Lippisch and the NSFK (National Socialist Flying Corps) in Germany constructed and successfully flew a series of internal-combustion-powered ornithopters, using Hargrave's concept of small flapping wings, but with aerodynamic improvements resulting from methodical study.

Medios de comunicación Libros     Paperback Book   (Libro con tapa blanda y lomo encolado)
Publicado 30 de mayo de 2018
ISBN13 9781720459767
Editores Createspace Independent Publishing Platf
Páginas 154
Dimensiones 178 × 254 × 8 mm   ·   276 g
Lengua Inglés