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发表于2024-11-24
Emergency Navigation, 2nd Edition pdf epub mobi txt 电子书 下载 2024
Every sailor knows that instruments can fail. Things get wet, break, fall overboard. Whether you're safe on your boat or drifting in a life raft, let David Burch show you how to find your way no matter what navigational equipment you have.
Often relying on common materials like a small stick, a plastic bottle, even a pair of sunglasses, Burch explains how to make use of all available means梖rom the acient skills of Polynesian navigators to the contrails of airliners overhead梩o calculate speed, direction, latitude, and longitude and to perform all aspects of piloting and dead reckoning.
Learn how to:
Steer by sun, stars, wind, and swells
Estimate current and leeway
Improvise your own knotmeter or pulmb-bob sextant
Find the sun in a fogbank
Estimate latitude with a plate and a knotted string
And more vital information
Table of Contents
List of Figures and Tables
Foreword to the First Edition
Preface to the Second Edition
Acknowledgments
Introduction
Time and Place at Sea
Directions at Sea
Steering by Wind and Swells
Steering by the Stars
Steering by the Sun
Steering by Other Things in the Sky
Steering in Fog or Under Cloudy Skies
Currents
Dead Reckoning
Latitude at Sea
Longitude at Sea
Coastal Piloting withour Instruments
What to Do with What You've Got
Annotated Bibliography
Index
About the Author
David Burch is the founder and president of the Starpath School of Navigation and the author of nine books on navigation. Burch has more than 70,000 miles of ocean sailing experience, ranging from the Arctic to Tahiti. He has sailed across the Pacific twelve times and has received the Institute of Navigation's Superior Achievement Award for outstanding performance as a practicing navigator.
如果你有艘船……那就是五星……
评分如果你有艘船……那就是五星……
评分如果你有艘船……那就是五星……
评分如果你有艘船……那就是五星……
评分如果你有艘船……那就是五星……
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Emergency Navigation, 2nd Edition pdf epub mobi txt 电子书 下载 2024