Flappers - Terrence I Murphy - Bøger - Createspace Independent Publishing Platf - 9781720459767 - 30. maj 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.

Medie Bøger     Paperback Bog   (Bog med blødt omslag og limet ryg)
Udgivet 30. maj 2018
ISBN13 9781720459767
Forlag Createspace Independent Publishing Platf
Antal sider 154
Mål 178 × 254 × 8 mm   ·   276 g
Sprog Engelsk