By Wayne Johnson
The historical past of the helicopter will be traced again to the chinese language flying best (c. four hundred B.C.) and to the paintings of Leonardo da Vinci, who sketched designs for a vertical flight desktop using a screw-type propeller. within the overdue 19th century, Thomas Edison experimented with helicopter types, figuring out that no such laptop will be in a position to fly till the advance of a sufficiently light-weight engine. while the inner combustion fuel engine got here at the scene round 1900, the level used to be set for the genuine improvement of helicopter technology.
While this article presents a concise heritage of helicopter improvement, its precise goal is to supply the engineering research required to layout a hugely winning rotorcraft. towards that finish the ebook bargains thorough, finished assurance of the speculation of helicopter flight: the weather of vertical flight, ahead flight, functionality, layout, arithmetic of rotating structures, rotary wing dynamics and aerodynamics, aeroelasticity, balance and regulate, stall, noise and more.
Wayne Johnson has labored for the U.S. military and NASA on the Ames examine middle in California. via his corporation Johnson Aeronautics, he's engaged within the improvement of software program that's used during the global for the research of rotorcraft. during this ebook, Dr. Johnson has compiled a enormous source that's crucial interpreting for any scholar or aeronautical engineer drawn to the layout and improvement of vertical-flight aircraft.
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