A Study Of Landing Gear Rebound And Subsequent Runout Characteristics
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Total Pages | : 111 |
Release | : 1954 |
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Download A STUDY OF LANDING GEAR REBOUND AND SUBSEQUENT RUNOUT CHARACTERISTICS. Book in PDF, Epub and Kindle
Author | : William H. Sellers |
Publisher | : |
Total Pages | : 326 |
Release | : 1960 |
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Download Dynamics of Landing Gear Impact, Rebound, and Runout Book in PDF, Epub and Kindle
Author | : |
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Total Pages | : 100 |
Release | : 1980 |
Genre | : Science |
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Download Technical Abstract Bulletin Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 162 |
Release | : 1962 |
Genre | : Airplanes |
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Download Proceedings (aircraft Design Problems in Structures, Materials, Propulsion, Control and Aerodynamics) Book in PDF, Epub and Kindle
Author | : William H. Sellers |
Publisher | : |
Total Pages | : 163 |
Release | : 1962 |
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Download Dynamics of Landing Gear Impact, Rebound, and Burnout Book in PDF, Epub and Kindle
A study of aircraft landing gear dynamics is presented from the viewpoint of comparing various methods of treating landing gear dynamic problems. Analytical methods for finding oleo strut forces, tire forces, and for treating the aircraft landing gear dynamics problem, from the simple one degree of freedom system to an equivalent system of six degrees of freedom, are studied and results formulated. One section of this report is devoted to a survey of the known mathematical techniques for treating nonlinear mechanics problems. Also a method of reducing the solution of a set of nonlinear differential equations to the solution of a set of linear equations has been developed. Equations of motion which predict the behavior of the landing aircraft from initial impact, during rebound and to final runout are written, solved, and correlated with an actual landing. Attention is called to the direct simulation analog computer or electric circuit model study of drop testing a gear. Results from this study are compared and correlated with drop test data. A brief account of the physics of rebound phenomena is also presented. (Author).
Author | : James M. McKay |
Publisher | : |
Total Pages | : 60 |
Release | : 1961 |
Genre | : Airplanes |
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Download Landing-gear Behavior During Touchdown and Runout for 17 Landings of the X-15 Research Airplane Book in PDF, Epub and Kindle
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Total Pages | : 86 |
Release | : 1982 |
Genre | : Aircraft |
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Download A Study of Analytic Modeling Techniques for Landing Gear Dynamics Book in PDF, Epub and Kindle
The ability to accurately predict the dynamic response of an aircraft while it is operating in the taxi mode depends, in part on the correct modeling of the dynamic characteristics of the landing gear system. Traditionally, landing gear have been designed to absorb landing impact ('shock absorber') and their characteristics during periodic, oscillatory response ('spring') have been considered as secondary. With the increased emphasis on the rough or damaged field taxi operation, there is a requirement to determine the best methods for modeling the gear system. This report documents a brief review of the state of the art of gear modeling. A study was then conducted to evaluate important model parameters, using a simple cantilevered gear computer simulation. Also included is the development of a technique for the experimental determination of important gear system parameters. (Author).
Author | : Edwin L. Fasanella |
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Total Pages | : |
Release | : 1977 |
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Download Experimental and Analytical Determination of Characteristics Affecting Light Aircraft Landing-gear Dynamics Book in PDF, Epub and Kindle
An experimental and analytical investigation was conducted to determine which characteristics of a light aircraft landing gear influence gear dynamic behavior significantly. The investigation focused particularly on possible modification for load control. Pseudostatic tests were conducted to determine the gear fore-and-aft spring constant, axial friction as a function of drag load, brake pressure-torque characteristics, and tire force-deflection characteristics. To study dynamic tire response, vertical drops were conducted at impact velocities of 1.2, 1.5, and 1.8 m/s onto a level surface; to determine axial-friction effects, a second series of vertical drops were made at 1.5 m/s onto surfaces inclined 5 deg and 10 deg to the horizontal. An average dynamic axial-friction coefficient of 0.15 was obtained by comparing analytical data with inclined surface drop test data. Dynamic strut bending and associated axial friction were found to be severe for the drop tests on the 10 deg surface.
Author | : Wendell H. Stillwell |
Publisher | : |
Total Pages | : 140 |
Release | : 1965 |
Genre | : X-15 (Rocket aircraft). |
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Download X-15 Research Results Book in PDF, Epub and Kindle
Author | : Grant Heiken |
Publisher | : CUP Archive |
Total Pages | : 796 |
Release | : 1991-04-26 |
Genre | : Science |
ISBN | : 9780521334440 |
Download Lunar Sourcebook Book in PDF, Epub and Kindle
The only work to date to collect data gathered during the American and Soviet missions in an accessible and complete reference of current scientific and technical information about the Moon.