{"title":"Roger Gaspar","description":null,"products":[{"product_id":"crossing-the-thames-estuary-book-roger-gaspar-9781786793195","title":"Crossing the Thames Estuary","description":"The Thames Estuary is a complex and challenging area with narrow channels, shoal waters, determined tides and shifting sands, plus busy shipping traffic, three major ports and six wind farms in and around it. But its waters are also fascinating, interesting and have a wide selection of destinations to enjoy.  This book describes 60 safe, viable and feasible routes between the Kent, Essex and Suffolk rivers for safe passage and wholly new time-planning tables which are now simplified with significantly additional and readily available information.  The third edition retains all the popular features describing and illustrating each sector of each route, with waypoints and ?rolling road? diagrams, providing information and advice about potential or permanent hazards, the implications for the tide and guidance about shipping routes and anchorages. New simplified passage planning tables It includes new and unique passage planning tables which are simple, accurate and quick to use. Readers can select the most appropriate start time and will instantly see predicted arrival time so as to have sufficient time to continue up river to an ultimate destination. Options are offered for every 30 minutes of the day, whatever the day. The tables not only provide the best predicted start time - for the quickest passage duration - for each route at 4, 5, 6 or 7 knots boat speed, but display alternative passage durations, whatever the tide. Tables provide easier access and a much broader basis of information than in earlier editions, presented alongside more detailed chartlets and a new portrait format book. Sailors benefit from swatchways in the Estuary which shorten time and distance for many passages. However, as they?re liable to move or change as sands shift, the author endeavours to survey several critical swatchways, monitors and provides illustrated Notices to Mariners weekly and receives reports from readers.","brand":"WoB","offers":[{"title":"GB \/ NEW \/ GARDNERS","offer_id":49757998940433,"sku":"NGR9781786793195","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":53718256845073,"sku":"GOR015014966","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1786793199.jpg?v=1772793634"},{"product_id":"crossing-the-thames-estuary-book-roger-gaspar-9781846236280","title":"Crossing the Thames Estuary","description":"63 routes with full passage tables An indispensable companion for planning Thames estuary passages, this set of tables enables navigators to select the best routes according to tide times. A set of tide tables, IMRAY charts, East Coast Pilot and Crossing the Thames Estuary provide all the information that is needed to fully explore the estuary and coasts of Suffolk, Essex and Kent.  The object is help you plan your journey across the complex waters of the Thames Estuary quickly, safely, easily and accurately.  To do this a series of tables is provided based upon a variety of routes with alternative tables for Springs and Neaps and for a choice of average boat speeds of 4, 5, 6 and 7 knots. As with the first edition, the concentration is on the 'inside' routes that weave through or across various sands and swatch ways.  However, this edition now includes the 'outside' route between the Suffolk Rivers and Ramsgate.  The Time Planning tables will enable you to plan departure times to arrive at key points on the crossing at your chosen time. The purpose is to provide the reader with a simple and accurate way to determine the best choices when making the crossing: what is your preferred route? What time do I start to ensure sufficient water through swatch ways or over banks? What is the best compromise to get the most help from the tide and still have sufficient water over the banks? Please visit www.crossingthethamesestuary.com for corrections and changes, an illustrated 'Notices to Mariners' service for the area covered by this book and a range of chart lets of Roger's surveys.","brand":"WoB","offers":[{"title":"- \/ - \/ -","offer_id":50789480562961,"sku":"","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":50789481349393,"sku":"GOR008254205","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"GB \/ GOOD \/ INTERNAL","offer_id":53243656995089,"sku":"GOR008234854","price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1846236282.jpg?v=1751027193"}],"url":"https:\/\/www.worldofbooks.com\/collections\/author-books-by-roger-gaspar.oembed","provider":"World of Books ","version":"1.0","type":"link"}