Marvelous Magnetic Machines - Friedrichs, H P
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Winner of the 2021 IBPA Gold Medal for Best Hobby and Craft Book, Marvelous Magnetic Machines: Building Model Electric Motors from Scrap is an inventive and visually captivating guide for anyone fascinated by electricity, magnetism, and mechanical design. Author H.P. Friedrichs-a professional electrical engineer, inventor, and the celebrated author of The Voice of the Crystal and Instruments of Amplification-returns with a new collection of projects that demonstrate how to build five fully functional electric motors from salvaged materials. Using hand tools and a keen sense of engineering…mehr

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Produktbeschreibung
Winner of the 2021 IBPA Gold Medal for Best Hobby and Craft Book, Marvelous Magnetic Machines: Building Model Electric Motors from Scrap is an inventive and visually captivating guide for anyone fascinated by electricity, magnetism, and mechanical design. Author H.P. Friedrichs-a professional electrical engineer, inventor, and the celebrated author of The Voice of the Crystal and Instruments of Amplification-returns with a new collection of projects that demonstrate how to build five fully functional electric motors from salvaged materials. Using hand tools and a keen sense of engineering creativity, Friedrichs shows how discarded objects such as cookware, typewriter parts, and audio components can be transformed into kinetic sculptures powered by magnetic force. Each chapter combines clear, engaging explanations of electrical and magnetic principles with meticulous construction details, 3D CAD diagrams, and over 170 photographs and illustrations. Projects include solenoid-driven crank motors, a six-cylinder "Christmas Motor," and brushless designs that teach modern concepts like Hall-effect sensors and transistor switching. Unlike conventional project manuals, Marvelous Magnetic Machines emphasizes inventive problem-solving over rigid step-by-step replication. Readers learn how to adapt scavenged materials, fabricate missing parts, balance rotors, and engineer their own creative solutions-skills essential to the true "maker" spirit. Critics have praised the book as "exceptionally well written" -Midwest Book Review, "educational and inspiring" -CQ Amateur Radio, and "an impressive work of art and science" -Make Magazine. Beautifully printed in hardcover (160 pages, 24 × 17 cm), this book is both a workshop reference and a celebration of imaginative engineering. Whether you're a hobbyist, teacher, or lifelong tinkerer, Marvelous Magnetic Machines will rekindle your curiosity about the unseen forces that move the world.
Autorenporträt
H.P. Friedrichs is a degreed electrical engineer (BSEE), inventor, and author with more than three decades of experience working in domains ranging from audio, medical, and radio, to software, automotive, and aerospace. At present, he is a Principal Engineer with Honeywell, involved in the design and support of specialized equipment used for testing and validating aircraft power generation products. He has five U.S. patents to his credit and holds three radio licenses including Extra-Class Amateur (AC7ZL), Commercial Radio Operator with Radar Endorsement and GMDSS Operator/Maintainer with Radar Endorsement. He is also a certified VE. Friedrichs is the author of numerous technical articles appearing in a variety of magazines, newsletters, and web sites but is best known for his books The Voice of the Crystal and Instruments of Amplification. Now cult classics among "from-scratch" electronics experimenters, these books have enjoyed favorable reviews from the editors of such prestigious periodicals as QST, CQ Magazine, Practical Wireless, and Make Magazine. H.P. Friedrichs lives in Tucson, Arizona, with his wife and his German Shepherd/laboratory assistant -- who is prone to "borrow" books and tools but not return them.