{"id":5916,"date":"2014-02-07T18:25:16","date_gmt":"2014-02-07T16:25:16","guid":{"rendered":"http:\/\/mixmotor.eu\/?p=5916"},"modified":"2014-02-07T18:26:28","modified_gmt":"2014-02-07T16:26:28","slug":"pneumatiky-na-lad-sneh-nie-vzdy-iste-vo-wrc","status":"publish","type":"post","link":"https:\/\/mixmotor.eu\/de\/5916\/pneumatiky-na-lad-sneh-nie-vzdy-iste-vo-wrc","title":{"rendered":"Pneumatiky na \u013ead a sneh. Nie v\u017edy to ist\u00e9 vo WRC"},"content":{"rendered":"<p>To \u017ee sa v svetovej rally WRC pou\u017e\u00edvaj\u00fa \u0161peci\u00e1lny diely a technika je mnohokr\u00e1t nejasn\u00e9 preto, \u017ee to nevid\u00edme v detaile. V dne\u0161nom \u010dl\u00e1nku si povieme nie\u010do o zimn\u00fdch pneumatik\u00e1ch, ktor\u00e9 dr\u017eia auto na dr\u00e1he a bez ktor\u00fdch by jazdci nemohli odjazdi\u0165 \u010dasy l\u00e1muce rekordy.<\/p>\n<p><b>Hist\u00f3ria <\/b>ukazuje, \u017ee snehov\u00e9 pneumatiky v rally pri\u0161li s prvou zimnou s\u00fa\u0165a\u017eou v seversk\u00fdch krajin\u00e1ch N\u00f3rsko a \u0160v\u00e9dsko. Vtedaj\u0161ie pravidla nedovo\u013eovali v\u0161ak pneumatiky vhodn\u00e9 na tento povrch trat\u00ed, teda sneh a miestami \u013ead.<br \/>\nRokom 1986 sa to zmenilo, preto\u017ee reorganiz\u00e1cia zabezpe\u010dila pr\u00edchod nov\u00fdm pneumatik\u00e1m s hrotmi. Michelin pou\u017eil v tej dobe a\u017e 600 hrotov v tvare pyram\u00edd.<br \/>\nV 2009 sa zase zna\u010dka Pirelli predviedla (na pr\u00edkaz noriem) s pneumatikou s 384 hrotmi. Hroty boli dlh\u00e9 7mm. \u010eal\u0161ou zmenou v pravidl\u00e1ch bola kon\u0161truk\u010dn\u00e1 mo\u017enos\u0165 zmeni\u0165 disky zimn\u00fdch pneumat\u00edk zo 16 palcov na 15 palcov a tak pou\u017e\u00edva\u0165\u00a0 15 palcov\u00e9 disky aj v in\u00fdch typoch rally. 16 palcov\u00e9 disky boli predt\u00fdm v\u00fdsadou iba zimn\u00fdch pretekov.<br \/>\nVe\u013ekos\u0165 pneumat\u00edk \u00a0bola jednotn\u00e1 205\/65&#215;15 (v\u00fd\u0161ka\/hr\u00fabka \u010do je percento z v\u00fd\u0161ky x vn\u00fatorn\u00fd priemer). Materi\u00e1l bol s\u00edce guma, av\u0161ak in\u00e1 ak\u00e1 je pou\u017e\u00edvan\u00e1 pri plusov\u00fdch hodnot\u00e1ch na teplomery. T\u00e1to guma je vhodn\u00e1 iba do mraziv\u00fdch podmienok, \u010do s\u00fa teploty pod 0\u00b0C. Jej n\u00e1zov? Pirelli Scottozero Ice. Tu u\u017e nar\u00e1\u017eame na rozdelenie.<br \/>\n<a href=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/crash471085.jpg\"><img loading=\"lazy\" decoding=\"async\" alt=\"crash471085\" src=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/crash471085-716x1024.jpg\" width=\"716\" height=\"1024\" \/><\/a><\/p>\n<p><b>Nie je zima, ako zima.<\/b> \u00a0A preto sa v rally pou\u017e\u00edvaj\u00fa e\u0161te jedny pneumatiky a s\u00edce ur\u010den\u00e9 na sneh. Trate pokryt\u00e9 snehom s minim\u00e1lnym mno\u017estvom \u00fasekov s ladom. Dez\u00e9n je toto\u017en\u00fd s t\u00fdm z pneumat\u00edk na \u0161trk. No op\u00e4\u0165 s\u00fa u\u017e\u0161ie, ako aj pneumatiky na \u013ead.<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"wrc-tires-explained-18984_6\" src=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/wrc-tires-explained-18984_6.jpg\" width=\"1024\" height=\"682\" \/><\/p>\n<p><b>Dnes<\/b> sa po\u010det hrotov na pneumatik\u00e1ch na lad nezmenil, je to st\u00e1le \u010d\u00edslo 384, no pravidl\u00e1 zmenili d\u013a\u017eku t\u00fdchto hrotov na 6,5mm. Aj ke\u010f s\u00fa hroty z vysokopevn\u00fdch materi\u00e1lov a e\u0161te tepelne spracovan\u00e9 kalen\u00edm (zv\u00fd\u0161enie tvrdosti kovu), ich pou\u017eitie v snehu nem\u00e1 zmysel, preto\u017ee sa nedok\u00e1\u017eu &#8220;zahryzn\u00fa\u0165&#8221; do podkladu. Pri pou\u017eit\u00ed na zamrznutej hline a \u0161trku sa zase hroty l\u00e1mu.<\/p>\n<p>Je ur\u010dite \u0165a\u017ek\u00e9 zvoli\u0165 spr\u00e1vne obutie na auto, ke\u010f u\u017e r\u00e1no nikto nevie ak\u00e9 podmienky bud\u00fa na poludnie. Po prejden\u00ed p\u00e1r autami ide\u00e1lnou stopou sa \u013eadov\u00fd koberec odokryje a nasleduj\u00faci jazdci u\u017e jazdia po zamrznutej hline. Vtedy musia t\u00edmy \u010derpa\u0165 zo svojich sk\u00fasenost\u00ed a d\u00fafa\u0165 v to najlep\u0161ie.<\/p>\n<p>Autor: Vladislav Baniari; Zdroj: pravidl\u00e1 FIA, CITRO\u00cbN<br \/>\n<a href=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/Michelin-X-Ice-North-2-WRC-384-Spike.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-5917\" alt=\"Michelin-X-Ice-North-2-WRC-384 Spike\" src=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/Michelin-X-Ice-North-2-WRC-384-Spike-1024x768.jpg\" width=\"1024\" height=\"768\" srcset=\"https:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/Michelin-X-Ice-North-2-WRC-384-Spike-1024x768.jpg 1024w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/Michelin-X-Ice-North-2-WRC-384-Spike-300x225.jpg 300w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/Michelin-X-Ice-North-2-WRC-384-Spike-160x120.jpg 160w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/Michelin-X-Ice-North-2-WRC-384-Spike.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a>\u00a0\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5920\" alt=\"Rally Sweden, Karlstad 11-14 02 10\" src=\"http:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/how-wrc-tires-work-18984_4.jpg\" width=\"1024\" height=\"683\" srcset=\"https:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/how-wrc-tires-work-18984_4.jpg 1024w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/how-wrc-tires-work-18984_4-300x200.jpg 300w, https:\/\/mixmotor.eu\/wp-content\/uploads\/2014\/02\/how-wrc-tires-work-18984_4-120x80.jpg 120w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>To \u017ee sa v svetovej rally WRC pou\u017e\u00edvaj\u00fa \u0161peci\u00e1lny diely a technika je mnohokr\u00e1t nejasn\u00e9 preto, \u017ee to nevid\u00edme v detaile. V dne\u0161nom \u010dl\u00e1nku si povieme nie\u010do o zimn\u00fdch pneumatik\u00e1ch, ktor\u00e9 dr\u017eia auto na dr\u00e1he a bez ktor\u00fdch by jazdci nemohli odjazdi\u0165 \u010dasy l\u00e1muce rekordy. Hist\u00f3ria ukazuje, \u017ee snehov\u00e9 pneumatiky v rally pri\u0161li s prvou [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5920,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[4],"tags":[560,558,559,246],"class_list":["post-5916","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dokumentarne","tag-lad","tag-michelin","tag-pirelli","tag-pneumatiky"],"translation":{"provider":"WPGlobus","version":"3.0.0","language":"de","enabled_languages":["sk","en","de"],"languages":{"sk":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":false,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/posts\/5916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/comments?post=5916"}],"version-history":[{"count":2,"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/posts\/5916\/revisions"}],"predecessor-version":[{"id":5922,"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/posts\/5916\/revisions\/5922"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/media\/5920"}],"wp:attachment":[{"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/media?parent=5916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/categories?post=5916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mixmotor.eu\/de\/wp-json\/wp\/v2\/tags?post=5916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}