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Author : Robert Van Der Linden,Thomas J. Paone
Publisher : Zenith Press
Page : 217 pages
File Size : 40,8 Mb
Release : 2016-05-15
Category : History
ISBN : 9780760350270
"[This book] celebrates aviation's most significant achievements through the stories behind twenty-nine legendary aircraft housed at the NASM."--Jacket.
Author : Horace Frederick King,John William Ransom Taylor
Publisher : McGraw-Hill Companies
Page : 146 pages
File Size : 46,5 Mb
Release : 1969
Category : Transportation
ISBN : UOM:39015003730341
Author : John T. Greenwood
Publisher : Unknown
Page : 320 pages
File Size : 47,6 Mb
Release : 1989
Category : Aeronautics
ISBN : STANFORD:36105041044293
Over 400 illustrations and text by aviation historians and aeronautical experts recall historic achievements in flight.
Author : United States. Air Force
Publisher : Unknown
Page : 24 pages
File Size : 43,8 Mb
Release : 1957
Category : Electronic
ISBN : IND:30000132476775
Author : Tim Grove,National Air and Space Museum
Publisher : Abrams
Page : 112 pages
File Size : 53,8 Mb
Release : 2016-06-28
Category : Juvenile Nonfiction
ISBN : 9781613129241
Milestones of Flight takes readers soaring through the high points of American aviation: from the Wright brothers and their competitors to the military pilots who first circumnavigated the globe, from the initial space rocket to the moon walk, from the earliest manmade satellite to today’s spy drones. The book also describes what inventions—such as rocket propulsion, the wind tunnel, and the silicon chip—helped move flight upward and beyond. Profusely illustrated with objects from the Smithsonian’s collection, Milestones of Flight provides an inspiring look at America’s contributions to aviation. The book includes a bibliography, author’s note, and index.
Author : John T. Greenwood
Publisher : Unknown
Page : 320 pages
File Size : 45,8 Mb
Release : 2008
Category : Aeronautics
ISBN : 0883635895
A history of aviation focuses on the technical developments and specific models of aircraft and the future of aircraft design.
Author : Phillip S. Meilinger
Publisher : Unknown
Page : 76 pages
File Size : 54,8 Mb
Release : 2003
Category : Aeronautics, Military
ISBN : NYPL:33433032382420
Author : John T. Greenwood
Publisher : Unknown
Page : 128 pages
File Size : 54,6 Mb
Release : 1991-09-02
Category : Electronic
ISBN : 0517076241
Author : Intitute Smithsonian
Publisher : Trident
Page : 320 pages
File Size : 53,9 Mb
Release : 1996-12-18
Category : Aeronautics
ISBN : 0883633167
Author : Phillip Meilinger,United Air Force
Publisher : CreateSpace
Page : 64 pages
File Size : 48,7 Mb
Release : 2012-05-26
Category : Electronic
ISBN : 1477547576
The concept of flight has fascinated man for millennia. The minds of the ancients invented winged gods and goddesses who lived in the heavens or who traversed it in chariots of gold. The restless brilliance of Leonardo da Vinci designed a flying machine five centuries ago; but his vision, as well as those of many who followed, relied on the muscle power of man to make it work. That would not be enough. A mechanical engine would be necessary. Flight would have to be a byproduct of the industrial revolution. In the meantime, man turned to an alternative means of reaching into the sky-balloons. The first balloon ascent occurred in Paris in 1783-the same year the United States gained its independence from Britain, ratified, coincidentally, by a treaty signed in Paris. Over the next century and a half, balloons and their more steerable brethren, dirigibles or rigid airships, were designed and flown in various countries worldwide. But the notion of heavier-than-air flight in a winged vehicle would not go away. Throughout the latter half of the nineteenth century a number of aviation pioneers studied the problem of flight from an increasingly scientific viewpoint. All recognized that two primary problems needed to be overcome-power and directional control. Someone would have to build an engine that was both powerful enough and light enough to lift an airplane and its pilot into the air and sustain it. The internal combustion engine was the obvious solution, but early motors that were made for automobiles and dirigibles were too heavy- they delivered too little horsepower for their weight. Related to this issue was the need for a suitable airscrew, or propeller, to attach to the engine that would propel the craft through the air. The second problem, controlling an airplane in flight, seemed even more difficult. Both of these problems were solved by two hard-working and taciturn bicycle mechanics from Dayton, Ohio. (Their bicycle shop has since been restored and moved to Greenfield Village near Detroit). Orville and Wilbur Wright, sons of a minister, designed and built their own gasoline engine that was not a spectacular device, but adequate for their purpose. It weighed about 200 pounds and delivered 12 horsepower. Just enough. Also important, the brothers designed and built their own propellers. Their solution to the directional control issue was more ingenious. Learning from the flight of birds, the brothers saw that birds made subtle changes in their wingtips, bending them up or down slightly, and this allowed them to turn quickly and gracefully. The Wrights therefore rigged up a series of cables and pulleys that connected the wings of their craft to levers where the aviator would lie (later sit). When manipulating the levers, the pilot would actually twist the shape of the wings themselves-much like a bird alters the shape of its wings-allowing the craft to turn. This "wing warping" method was soon replaced by more practical devices-movable rudders and ailerons. The latter consisted of a separate airfoil usually attached to the outer portion of a wing: but the basic principle the Wrights invented was sound. On Dec. 17, 1903, at Kitty Hawk, North Carolina, the Wright brothers made history's first powered flight in a heavier-than-air machine that incorporated their two scientific breakthroughs. Their invention, the airplane, changed the world. As the centennial of their momentous achievement approaches, the United States Air Force has established the Centennial of Flight Office, whose mission is to celebrate airpower and the Wright brothers' historic event. One of their projects is this pamphlet series, which will trace the most significant people, events, technologies and ideas in the history of the United States Air Force.
Author : Anonim
Publisher : Unknown
Page : 118 pages
File Size : 51,8 Mb
Release : 1992
Category : Minnesota
ISBN : MINN:31951P00219945S
Author : Claude-Alain Roulet
Publisher : Earthscan
Page : 211 pages
File Size : 45,6 Mb
Release : 2012-05-16
Category : Architecture
ISBN : 9781849773713
Energy efficiency in buildings requires, among other things, that ventilation be appropriately dimensioned: too much ventilation wastes energy, and insufficient ventilation leads to poor indoor air quality and low comfort.Studies have shown that ventilation systems seldom function according to their commissioned design. They have also shown that airflow measurement results are essential in improving a ventilation system. This key handbook explains why ventilation in buildings should be measured and describes how to measure it, giving applied examples for each measurement method.The book will help building physicists and ventilation engineers to properly commission ventilation systems and appropriately diagnose ventilation problems throughout the life of a building. Drawing on over 20 years of experience and the results of recent international research projects, this is the definitive guide to diagnosing airflow patterns within buildings.
Author : Claudia M. Oakes,Kerry Mark Joëls
Publisher : Unknown
Page : 48 pages
File Size : 42,8 Mb
Release : 1983
Category : Aeronautics
ISBN : OCLC:10471391
Author : Indur M. Goklany
Publisher : Cato Institute
Page : 209 pages
File Size : 44,6 Mb
Release : 1999-11-01
Category : Political Science
ISBN : 9781935308775
America's air quality is better today than ever before in modern history and continues to steadily improve. How did this remarkable turnaround come about? Basing his conclusions on a painstaking compilation of long-term empirical data on air quality and emissions data extending from the pre- federalization era to the present (some dating back a century), Goklany challenges the orthodoxy that credits federal regulation for improving air quality. He shows that the air had been getting cleaner prior to—and probably would have continued to improve regardless of federalization. States and localities, after all, have always been engaged in a race to improve the quality of life, which means different things at different stages of economic development. Goklany’s empirical data refute once and for all the race-to-the-bottom rationale for centralized federal regulation.Moreover, technological advances and consumer preferences continue to play important roles in improving air quality. Goklany accordingly offers a regulatory reform agenda that would improve upon the economic efficiency and environmental sensitivity of air quality regulation.
Author : Cramer Wilson La Pierre
Publisher : Unknown
Page : 15 pages
File Size : 44,9 Mb
Release : 2024-05-22
Category : Jet planes
ISBN : OCLC:761370367