Böcker av Dag Pike

Though contemporary sailors generally use electronic systems to orient themselves, the sextant is far from redundant. This purest of all nautical instruments, which allows seafarers to accurately determine their global position alone and without the aid of modern technology, is still required equipment on all commercial trading vessels; should electronic systems fail, a sextant can make the difference between disaster and survival. In this invaluable tutorial for beginning navigators, Pike clearly and efficiently explains the use and care of the sextant.

The definitive book on powerboat design and performance--a unique wealth of material from the internationally renowned expert in powerboating, featuring contributions from leading designers on everything from hull design to propulsion. Set to become the bible for powerboat owners and operators for years to come, this long overdue analysis and review of modern powerboat design and operation explores how powerboats have developed, why, and how design impacts on control and performance.Every aspect of the powerboat''s design is considered individually and as part of the whole. Different hull designs are assessed for their benefits and drawbacks. Engine types (whether petrol, diesel, electric or hybrid) and their influence on performance are explored and the nature and impact of different propulsion systems and driving controls is also examined.All factors that influence operation are featured, from how to optimize performance in varied sea conditions, matching speed to sea state, as well as tackling various common and uncommon scenarios (from running an inlet to coping with tidal races and harbor maneuvering) and issues relating to crew safety.Dag Pike is the world-renowned guru on powerboats. He has attracted contributions from many of the top international powerboat designers, providing a wealth of expert knowledge and specialist insights about modern powerboats.The sum of their know-how makes this book essential for all powerboat owners, operators and designers, whether in the leisure, commercial or military sector, and will help ensure all prospective owners get the right boat for their requirements.

Covers marine and land navigational techniques from 3000 BC to the present day.

Hidden Harbours of Southwest Scotland is a lively tour of small and infrequently visited harbours on the stunning Scottish coast and its nearby islands, starting from Port Logan in the south and meandering northwards to Lerags on Loch Feochan in the Firth of Lorn.

This comprehensive and authoritative guide to practical navigation draws on the author's extensive experience of leisure cruising and ocean racing.

Boats are expensive and they are complicated - unless you are going to pay a professional to carry out a survey (at yet more expense) it is invaluable to be able to:- quickly assess a potential purchase for signs of trouble without paying for lengthy reports- carry out a detailed check on your own boat the end of the season- identify problems and get them dealt with before they get serious- get to know your boat in a lot more detail, so if a problem develops at sea you will be more able to copeOrganised into chapters covering: Tools of the trade (basic tools, moisture meters, fingers and feel, smell, mirrors, sources of information); Checking the hull (including wood construction and rot, GRP laminates, osmosis, metal construction, keels, anodes); RIBs and inflatables; Engine and systems; Stern gear; Plumbing; Mast and rigging; Electrical systems; Interiors; Safety equipment. At the end of the book there''s a handy guide to carrying out a five minute survey - invaluable when making a quick assessment of a potential purchase.Highly illustrated, with anecdotes and hands-on advice throughout, this practical book gives readers the tools to do much of the work on their own, and know when to call in the experts.

How a sextant works and how to get the most out of it.