Magnetic Current Review

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(More customer reviews)Mr. Leedskalnin's book is difficult to read, but one must consider that English was not his native tongue. According to those who knew him, he was very friendly and extremely intelligent, but also entirely secretive about certain things. For example, he claimed to know how the pyramids were built, and he also stated that he knew the secrets of anti-gravity. Of the latter, at least, he proved it by creating Coral Castle near Homestead, Florida -- in the process he managed to lift numerous up-to-30-ton blocks of coral WITHOUT MODERN MACHINERY. (Now that is a wonder.) Perhaps my fascination with this man colors my opinion of him, but I can overlook his misspelled words, et cetera, when I consider his intelligence. (In my own personal life, I happen to have a younger brother who is dyslexic and blind in one eye -- he can barely spell/write -- but he's also one of the most brilliant people I've ever known.)In any case, anyone thinking of reading or purchasing this book needs to prepare for its difficult style of wording. There will be a great deal of reading and re-reading, plus deciphering to be done.

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A writing based on the author's two years of experimentation with magnets at Rock Gate, which is seventeen miles southwest from Miami, Florida.

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Automatic Control of Aircraft and Missiles Review

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(More customer reviews)Blakelock's book is probably the most practical flight control book out there for both planes and missiles. Unfortunatly fly-by-wire and some other newer methods now practicable because of increased on-board computing power are not really covered but are hinted at in places. This tome provides probably the easiest to understand approach to aircraft control in existance. Straightforward and oriented to a step-by-step approach, it beats many of the "classic" texts popular with many professors hands down. Being a controls kind of guy, I particularly enjoy his use of normalized stability derivatives which result in controller designs already in units that can be directly used for servomotor design. A good understanding of this book will be of enormous use to even the most moderm airplane control system designer. For many years this book has been the secret weapon of those "in the know".
This book is oriented almost exclusively to frequency domain methods but there is a state variable approach chapter. Currently, there is a return to state-space methods movement in progress but this material in Blakelock is mandatory even for understanding the state-space methods. Examine Stengel's new work Flight Dynamics.


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This Second Edition continues the fine tradition of its predecessor by exploring the various automatic control systems in aircraft and on board missiles. Considerably expanded and updated, it now includes new or additional material on: the effectiveness of beta-beta feedback as a method of obtaining coordination during turns using the F-15 as the aircraft model; the root locus analysis of a generic acceleration autopilot used in many air-to-air and surface-to-air guided missiles; the guidance systems of the AIM-9L Sidewinder as well as bank-to-turn missiles; various types of guidance, including proportional navigation and line-of-sight and lead-angle command guidance; the coupling of the output of a director fire control system into the autopilot; the analysis of multivariable control systems; and methods for modeling the human pilot, plus the integration of the human pilot into an aircraft flight control system. Also features many new additions to the appendices.

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