{"id":704,"date":"2018-08-30T19:57:50","date_gmt":"2018-08-30T19:57:50","guid":{"rendered":"https:\/\/www.forespar.com\/blog\/?p=704"},"modified":"2018-09-20T21:38:17","modified_gmt":"2018-09-20T21:38:17","slug":"what-do-you-do-if-the-battery-quits","status":"publish","type":"post","link":"https:\/\/www.forespar.com\/blog\/2018\/08\/what-do-you-do-if-the-battery-quits\/","title":{"rendered":"What Do You Do If the Battery Quits?"},"content":{"rendered":"<div style=\"float: right; margin-left: 10px;\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-count=\"vertical\" data-url=\"https:\/\/www.forespar.com\/blog\/2018\/08\/what-do-you-do-if-the-battery-quits\/\">Tweet<\/a><\/div>\n<p style=\"text-align: left;\">So, you&#8217;re half way to the Island.\u00a0 It&#8217;s just after 10 pm, with no moon yet.\u00a0 It&#8217;s bumpy, and the visibility is poor.\u00a0 The 15 knot breeze is westerly, and the swell and wind waves are southwest.\u00a0 You know you&#8217;re getting pushed off course, but that&#8217;s OK, since both diesels are thumping away, and the GPS is telling where you are (and what to steer to get to the mooring).<\/p>\n<p>Then, the instruments go dark.\u00a0 Yikes!\u00a0 Now what?<br \/>\n<a href=\"https:\/\/www.forespar.com\/blog\/wp-content\/uploads\/2018\/08\/Chart-in-use.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-705 alignleft\" src=\"https:\/\/www.forespar.com\/blog\/wp-content\/uploads\/2018\/08\/Chart-in-use-300x225.jpg\" alt=\"Chart in use\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.forespar.com\/blog\/wp-content\/uploads\/2018\/08\/Chart-in-use-300x225.jpg 300w, https:\/\/www.forespar.com\/blog\/wp-content\/uploads\/2018\/08\/Chart-in-use-190x143.jpg 190w, https:\/\/www.forespar.com\/blog\/wp-content\/uploads\/2018\/08\/Chart-in-use.jpg 450w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>You have a compass mounted by the wheel.\u00a0 You whip out the <a href=\"https:\/\/www.westmarine.com\/chart-books\/maptech\/_\/N-1z12xuq\">Chart Book<\/a>, grab your pencil and mark the last GPS position on the chart, then use your parallels\u00a0to pencil a line to your destination.\u00a0 Then down to the compass rose, and determine a fair approximation of the compass course to the destination.\u00a0 Steer that course, and you&#8217;re good.<\/p>\n<p>Oh, wait.<\/p>\n<p>You don&#8217;t have charts, parallels, etc.\u00a0 And if you did, you don&#8217;t know how to use the low tech.\u00a0 You may just want to go real slow and listen for surf, and look for the red\/green flashers at the harbor entrance.\u00a0 Not at all what you&#8217;ve planned, and not at all fun, even if it works out.<\/p>\n<p>The kids, and grand-kids have asked &#8220;What are you doing?&#8221; when they see me using the hand-bearing compass\u00a0for a quick sight at a point of land, make a line on the chart, and repeat the process in another direction.\u00a0 I&#8217;d explain that where those lines cross is where we are &#8211; on the chart, and then explain the cross bearing, and how I got it, and how simple it really is.\u00a0 \u00a0Or, that same question when I scribble the time, course direction and speed when we&#8217;ve just cleared the harbor entrance, and an hour later walk over to the chart and draw a line, scribble some more, use the dividers, and draw an x.\u00a0 I give a quick explanation of dead reckoning, and how easy it is (and always a good idea on that dark night or foggy day).<\/p>\n<p>The next question was always &#8220;Why do you do that if you have a GPS?&#8221;\u00a0 And answer always is &#8220;This will tell me where we are&#8221;.\u00a0 No, it&#8217;s not as accurate as the WAAS GPS and the Chart Plotter.\u00a0 But close enough if you&#8217;re talking to the Coast Guard (hope that doesn&#8217;t happen).\u00a0 It was good enough before the electronics, and basic navigation still works &#8211; inexpensive, quick and easy use and easy to learn.<\/p>\n<p>What do <em>YOU<\/em>\u00a0do if the battery quits?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tweet So, you&#8217;re half way to the Island.\u00a0 It&#8217;s just after 10 pm, with no moon yet.\u00a0 It&#8217;s bumpy, and the visibility is poor.\u00a0 The 15 knot breeze is westerly, and the swell and wind waves are southwest.\u00a0 You know you&#8217;re getting pushed off course, but that&#8217;s OK, since both diesels are thumping away, and&#8230; <a href=\"https:\/\/www.forespar.com\/blog\/2018\/08\/what-do-you-do-if-the-battery-quits\/\">Read more: What Do You Do If the Battery Quits?<\/a><\/p>\n","protected":false},"author":1001004,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,1],"tags":[140,141,52,142,94],"class_list":["post-704","post","type-post","status-publish","format-standard","hentry","category-general-content","category-uncategorized","tag-chart-book","tag-compass","tag-forespar","tag-hand-bearing","tag-navigation"],"_links":{"self":[{"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/posts\/704","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/users\/1001004"}],"replies":[{"embeddable":true,"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/comments?post=704"}],"version-history":[{"count":5,"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/posts\/704\/revisions"}],"predecessor-version":[{"id":713,"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/posts\/704\/revisions\/713"}],"wp:attachment":[{"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/media?parent=704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/categories?post=704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.forespar.com\/blog\/wp-json\/wp\/v2\/tags?post=704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}