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Workshop
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Windpower Workshop
Hugh Piggott
Harness the wind and stop paying for workshop electricity with this excellent book by a leading expert. This book is not a step-by-step how-to, but meant as a starting point for those who want to design and build a windmill; one that will stand up to the most severe weather conditions. Text and detailed charts, diagrams and photos cover a variety of blades, alternators, and furling systems with the pros and cons of each. Details of generator choice and design, blade construction, furling systems, towers, wiring, battery charging, heating, alternator design, modifications for car alternators and generators, and everything else you will need to know. TABLE OF CONTENTS: 1. A WILD RESOURCE The wind: a wild resource No free lunch The environmental cost How much power can you expect? Efficiency: where does the energy go? Design basics Summary 2. SAFETY Electrical safety Protection against fire Protection against shock Battery hazards Other responsibilities 3. ROTOR DESIGN Betz revisited Using lift and drag Blade design Upwind, downwind or vertical axis Conclusion 4. BLADE MAKING A word of warning Blade weight Blade materials How to carve a set of rotor blades Painting and balancing the blades 5. GENERATORS What to look for How generators work Changing the speed of generators Types of generators Motors used as generators Building a permanent magnet alternator from scrap Design hints In conclusion 6. MECHANICAL CONTROLS Facing into the wind Avoiding overload Turning away from the wind Shut down systems 7. ELECTRICAL CONTROLS Load control: the key to good performance Heating systems What batteries are best 8. TOWERS Types of towers How strong is strong enough Erection Hands-on tower erection Guy materials Anchors Hints for safe erection of tilt-up towers So we come to the end Glossary Appendix Resource Guide Index
159 pgs, 5.5x8.5, illus, softcover
$15.95
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