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The unique design problems which helicopters produce are many and complex. Through practical examples and illustrated case studies, supported by all the relevant theory, this primer text provides an accessible introduction which guides the reader through the theory, design, construction and operation of helicopters. Fundamental performance and control equations are developed, from which the book explores the rotor aerodynamic and dynamic characteristics of helicopters. Example calculations and performance predictions, reflecting current practice, show how to assess the feasibility of a design.* Tackles the theory, design, construction and operation of helicopters* Illustrated with many practical examples and case studies* Provides the fundamental equations describing performance and dynamic behaviour
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Brief history of Hereford cattle: v. 1, p. 359-375.
By 1650, Barbados had become the greatest wealth-producing area in the English-speaking world, the center of an exchange of people and goods between the British Isles, the Gold Coast of West Africa, and the the New World. Simon P. Newman argues that this exchange stimulated an entirely new system of bound labor.
Brief history of Hereford cattle: v. 1, p. 359-375.
A fascinating account of two eighteenth-century princes from East Africa, their travels, and their encounters with the British Empire and slavery In 1716 two princes from Mpfumo—what is today Maputo, the capital of Mozambique—boarded a ship licensed by the East India Company bound for England. Instead, their perfidious captain sold them into slavery in Jamaica. After two years of pleading their case, the princes—known in the historical record as Prince James and Prince John—convinced a lawyer to purchase them, free them, and travel with them to London. The lawyer perished when a hurricane wrecked their ship, but the princes survived and arrived in England in 1720. Even though the Eas...