The aircraft landing gear and its associated systems represent a compelling design challenge: simultaneously a system, a structure, and a machine, it supports the aircraft on the ground, absorbs landing and braking energy, permits maneuvering, and retracts to minimize aircraft drag. Yet, as it is not required during flight, it also represents dead weight and significant effort must be made to minimize its total mass. The Design of Aircraft Landing Gear, written by R. Kyle Schmidt, PE (B.A.Sc. - Mechanical Engineering, M.Sc. - Safety and Aircraft Accident Investigation, Chairman of the SAE A-5 Committee on Aircraft Landing Gear), is designed to guide the reader through the key principles of landing system design and to provide additional references when available. Many problems which must be confronted have already been addressed by others in the past, but the information is not known or shared, leading to the observation that there are few new problems, but many new people. The Design of Aircraft Landing Gear is intended to share much of the existing information and provide avenues for further exploration. The design of an aircraft and its associated systems, including the landing system, involves iterative loops as the impact of each modification to a system or component is evaluated against the whole. It is rare to find that the lightest possible landing gear represents the best solution for the aircraft: the lightest landing gear may require attachment structures which don't exist and which would require significant weight and compromise on the part of the airframe structure design. With those requirements and compromises in mind,The Design of Aircraft Landing Gear starts with the study of airfield compatibility, aircraft stability on the ground, the correct choice of tires, followed by discussion of brakes, wheels, and brake control systems. Various landing gear architectures are investigated together with the details of shock absorber designs. Retraction, kinematics, and mechanisms are studied as well as possible actuation approaches. Detailed information on the various hydraulic and electric services commonly found on aircraft, and system elements such as dressings, lighting, and steering are also reviewed. Detail design points, the process of analysis, and a review of the relevant requirements and regulations round out the book content. The Design of Aircraft Landing Gear is a landmark work in the industry, and a must-read for any engineer interested in updating specific skills and students preparing for an exciting career.
This is an oral history of several dozens of German aviation designers and engineers that were taken to the Soviet Union in October 1946 along with their DFS 346. The information contained here-in has never been made public until now. Dr Myhra traveled to all the places mentioned and with the assistance of language interpreters Margarita Reck of Salem-Neufrach, West Germany and Gerhard Hopf of Naples, FL, was able to communicate with the German-speaking engineers and designers. These are the unedited transcriptions of the actual conversations. Very interesting material! Enjoy all 5 parts of this rare and informative conversation collection!
"This English-language edition of Aeronautical Research in Germany recounts and celebrates the considerable contributions made in Germany to the invention and ongoing development of aircraft. [snip] It covers in fascinating detail the milestones of the first 100 years of aeronautical research in Germany, within the broader context of the scientific, political, and industrial milieus."--Publisher description
General Aviation Aircraft Design, Second Edition, continues to be the engineer's best source for answers to realistic aircraft design questions. The book has been expanded to provide design guidance for additional classes of aircraft, including seaplanes, biplanes, UAS, high-speed business jets, and electric airplanes. In addition to conventional powerplants, design guidance for battery systems, electric motors, and complete electric powertrains is offered. The second edition contains new chapters: - Thrust Modeling for Gas Turbines - Longitudinal Stability and Control - Lateral and Directional Stability and Control These new chapters offer multiple practical methods to simplify the estimation of stability derivatives and introduce hinge moments and basic control system design. Furthermore, all chapters have been reorganized and feature updated material with additional analysis methods. This edition also provides an introduction to design optimization using a wing optimization as an example for the beginner. Written by an engineer with more than 25 years of design experience, professional engineers, aircraft designers, aerodynamicists, structural analysts, performance analysts, researchers, and aerospace engineering students will value the book as the classic go-to for aircraft design. - The printed book is now in color, with 1011 figures and illustrations! - Presents the most common methods for conceptual aircraft design - Clear presentation splits text into shaded regions, separating engineering topics from mathematical derivations and examples - Design topics range from the "new" 14 CFR Part 23 to analysis of ducted fans. All chapters feature updated material with additional analysis methods. Many chapters have been reorganized for further help. Introduction to design optimization is provided using a wing optimization as an example for the beginner - Three new chapters are offered, two of which focus on stability and control. These offer multiple practical methods to simplify the estimation of stability derivatives. The chapters introduce hinge moments and basic control system design - Real-world examples using aircraft such as the Cirrus SR-22 and Learjet 45
This is an oral history of several dozens of German aviation designers and engineers that were taken to the Soviet Union in October 1946 along with their DFS 346. The information contained here-in has never been made public until now. Dr Myhra traveled to all the places mentioned and with the assistance of language interpreters Margarita Reck of Salem-Neufrach, West Germany and Gerhard Hopf of Naples, FL, was able to communicate with the German-speaking engineers and designers. These are the unedited transcriptions of the actual conversations. Very interesting material! Enjoy all 5 parts of this rare and informative conversation collection!
“A wonderful book on the Luftwaffe’s WW2 operations (German Air Force) and its struggle to defend Germany from the Allied bomber attacks.” —FSAddon The Luftwaffe over Germany tells the story of one of the longest and most intense air battles in history. The daylight air struggles over Germany during World War II involved thousands of aircraft, dozens of units, and hundreds of aerial engagements. Until now, there has been no single book that covers the complete story, from the highest levels of air strategy to the individual tales of Fw 190s, Bf 109s and Me 262s in air combat against the American bomber streams. This ground-breaking work explores the detrimental effect of Luftwaffe theory and doctrine on the German air arms ability to defend the homeland once the Allied Combined Bomber Offensive began in earnest. By mid-1944, they had lost the battle—but had exacted a terrible price from the Americans in the process. The product of a ten-year collaboration between two noted Luftwaffe historians, this work fills a major gap in the literature of World War II. The authors have examined original war diaries, logbooks, doctrine manuals, after-action reports, and interviews with many combat veterans to produce a richly detailed account. Illustrated with nearly two hundred photographs, as well as new maps and diagrams, this is the standard work on the subject. “Looking for a better book on the German air defense of the Third Reich in daylight during the war would probably be a useless endeavor.” —A Wargamers Needful Things