{"id":6467,"date":"2017-02-11T21:58:00","date_gmt":"2017-02-11T20:58:00","guid":{"rendered":"http:\/\/www.pudenitroz.se\/blogg\/?p=6467"},"modified":"2017-02-11T21:58:52","modified_gmt":"2017-02-11T20:58:52","slug":"teknikhornan-1","status":"publish","type":"post","link":"https:\/\/www.pudenitroz.se\/blogg\/?p=6467","title":{"rendered":"Teknikh\u00f6rnan 1"},"content":{"rendered":"<p><a href=\"http:\/\/www.pudenitroz.se\/blogg\/?attachment_id=6471\" rel=\"attachment wp-att-6471\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6471\" src=\"http:\/\/www.pudenitroz.se\/blogg\/wp-content\/uploads\/2017\/02\/plusjord.jpg\" alt=\"\" width=\"600\" height=\"446\" srcset=\"https:\/\/www.pudenitroz.se\/blogg\/wp-content\/uploads\/2017\/02\/plusjord.jpg 600w, https:\/\/www.pudenitroz.se\/blogg\/wp-content\/uploads\/2017\/02\/plusjord-300x223.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>Ny rubrik p\u00e5 bloggen och orsak, omgivningen trakasserar en f\u00f6r att man envist st\u00e5r emot f\u00f6rdommar och f\u00f6rsvarar genuin engelsk bilteknik och <strong>NEJ<\/strong> Lucas uppfann <strong>INTE<\/strong> m\u00f6rkret det hade redan Bosch uppfunnet och man&nbsp;envisade sig med att&nbsp;h\u00e5lla&nbsp;kvar vid 6 volts elsystem \u00e4nda in p\u00e5 slutet&nbsp;av 60 taletet. N\u00e4r s\u00e5g ni senast en engelsk bil med 6 voltsystem, tror det var n\u00e4r man fortfarande anv\u00e4nde sig av minusjord p\u00e5 \u00f6n.<\/p>\n<p>Med 6 volt s\u00e5 ber man om sp\u00e4nningsfall det beh\u00f6ver man inte heta Joseph Lucas f\u00f6r att f\u00f6rst\u00e5, men Robert Bosch hade inte pluggat ohms lag utan h\u00e5ll fast vid 6 volt.<\/p>\n<p>I&nbsp;en VW bubbla upp till och med 1967 var m\u00f6rkret aldrig l\u00e5ngt borta, gick man fram och titta rakt in i str\u00e5lkastarna s\u00e5 kunde man se att de var t\u00e4nda men luxtalet p\u00e5 ett v\u00e4rmeljus fr\u00e5n IKEA \u00f6verstiget med r\u00e5ge vad str\u00e5lkastaren lyckas prestera.<\/p>\n<p>Men s\u00e5 var det h\u00e4r med plusjord och som f\u00f6ranlett detta f\u00f6rsta inl\u00e4gg under rubriken Teknikh\u00f6rnan.<\/p>\n<p>M\u00e5nga fr\u00e5gar sig varf\u00f6r skall man beh\u00e5lla plusjord och inte konvertera till minusjord det finns ju bara nackdelar med plusjord man kan t.ex. inte montera en radio i bilen.<\/p>\n<p>Faktum \u00e4r att man anv\u00e4nde sig av minusjord \u00e4ven p\u00e5 engelska bilar upp till mitten p\u00e5 30-talet n\u00e4r man ins\u00e5g f\u00f6rdelarna med plusjord.<\/p>\n<p>Men vi b\u00f6rjat med att ta d\u00f6d p\u00e5 myten att man inte kan montera en modern radio och ladda mobilen i en bil med plusjord mer om detta <a href=\"http:\/\/www.pudenitroz.se\/blogg\/?p=3663\" target=\"_blank\">H\u00c4R<\/a> men vill man inte kan man inte.<\/p>\n<p>Sen vad \u00e4r r\u00e4tt och vad \u00e4r fel, vetenskaplig fakta \u00e4r att elektronerna vandrar fr\u00e5n minus polen till pluspolen vilket betyder att pluspolen blir den naturliga jordpunkten.<\/p>\n<p>Men finns det d\u00e5 fler faktorer som talar till plusjordens f\u00f6rdel?<\/p>\n<ul>\n<li>Det har konstaterat att det faktum att med plusjord t\u00e4ndstiftets mitt elektrod g\u00f6rs negativ resulterar i b\u00e4ttre gnista och l\u00e4ngre livsl\u00e4ngd p\u00e5 t\u00e4ndstift och kablar, det finns s\u00e5ledes inget behov av h\u00f6geffektspolar (som egentligen bara \u00e4r en 9 voltsspole som man ger 12 volt i start\u00f6gonblicket) p\u00e5 bilar med plusjord.<\/li>\n<li>Minder risk f\u00f6r oxiderade batterikabelskor, oxidation p\u00e5 batterierna f\u00f6rekommer oftare p\u00e5 fordon med minusjord.<\/li>\n<\/ul>\n<p>Kanske inte helt vetenskapligt vederlagt men f\u00f6r att ni inte skall tro att jag bara har spekulerat framf\u00f6r en spegel med en flaska whiskey s\u00e5 r\u00f6jer jag \u00e4ven en av mina k\u00e4llor.<\/p>\n<p>K\u00e4lla: The Modern Motor Engineer<\/p>\n<p><strong>NEGATIVE EARTH SYSTEM<\/strong><br \/>\n<em>With the insulated return system the orthodox arrangement was to earth the negative pole of the supply, and this became known as the single pole negative earth system, which was used For vehicle work for several years &#8211; on British vehicles up to about 1936.<\/em><\/p>\n<p><strong>POSITIVE EARTH SYSTEM<\/strong><br \/>\n<em>It was then found that certain specific advantages were obtained by earthing the positive pole of the battery instead of the negative. Thus we had the introduction of the positive earth system, which is almost universally used to-day, except for those specialised vehicles previously mentioned.<\/em><\/p>\n<p><em>One of the main advantages gained by earthing the positive side of the supply is that the polarity of the spark plug central electrode is made negative, which results in improved spark plug performance and longer service life of the spark plugs and the HT cables.<\/em><\/p>\n<p><em>At the battery itself the formation of electrolytic sulphation at the positive lug is reduced, and also the marked tendency to electrical leakage from the cells to earth, the result of the presence of excessive humidity.<\/em><\/p>\n<p><a href=\"http:\/\/www.pudenitroz.se\/blogg\/?attachment_id=6472\" rel=\"attachment wp-att-6472\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6472 size-medium\" src=\"http:\/\/www.pudenitroz.se\/blogg\/wp-content\/uploads\/2017\/02\/The-Modern-Motor-Engineer-225x300.jpg\" width=\"225\" height=\"300\" srcset=\"https:\/\/www.pudenitroz.se\/blogg\/wp-content\/uploads\/2017\/02\/The-Modern-Motor-Engineer-225x300.jpg 225w, https:\/\/www.pudenitroz.se\/blogg\/wp-content\/uploads\/2017\/02\/The-Modern-Motor-Engineer.jpg 480w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ny rubrik p\u00e5 bloggen och orsak, omgivningen trakasserar en f\u00f6r att man envist st\u00e5r emot f\u00f6rdommar och f\u00f6rsvarar genuin engelsk bilteknik och NEJ Lucas uppfann INTE m\u00f6rkret det hade redan Bosch uppfunnet och man&nbsp;envisade sig med att&nbsp;h\u00e5lla&nbsp;kvar vid 6 volts &hellip; <a href=\"https:\/\/www.pudenitroz.se\/blogg\/?p=6467\">Forts\u00e4tt l\u00e4sa <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[3],"tags":[],"class_list":["post-6467","post","type-post","status-publish","format-standard","hentry","category-mini-relaterat"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p30Qc6-1Gj","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=\/wp\/v2\/posts\/6467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6467"}],"version-history":[{"count":6,"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=\/wp\/v2\/posts\/6467\/revisions"}],"predecessor-version":[{"id":6482,"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=\/wp\/v2\/posts\/6467\/revisions\/6482"}],"wp:attachment":[{"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pudenitroz.se\/blogg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}