{"id":16493,"date":"2026-03-11T11:01:29","date_gmt":"2026-03-11T10:01:29","guid":{"rendered":"https:\/\/www.moto-integrator.be\/blog\/?p=16493"},"modified":"2026-01-13T10:34:29","modified_gmt":"2026-01-13T09:34:29","slug":"loch-a-bateau-comment-ca-marche","status":"publish","type":"post","link":"https:\/\/www.moto-integrator.be\/blog\/loch-a-bateau-comment-ca-marche\/","title":{"rendered":"Loch \u00e0 bateau : comment \u00e7a marche ?"},"content":{"rendered":"<p><strong>Loch \u00e0 bateau : r\u00f4le et fonctionnement<\/strong><\/p>\n<p>D\u00e9terminer la vitesse et la distance parcourue d\u2019un bateau a longtemps repos\u00e9 sur l\u2019utilisation du loch. Avant l\u2019arriv\u00e9e des syst\u00e8mes modernes de navigation, cet instrument constituait une r\u00e9f\u00e9rence indispensable pour estimer la route suivie en mer.<\/p>\n<p>Encore aujourd\u2019hui, le loch conserve une valeur pratique. Il fournit des informations compl\u00e9mentaires sur le d\u00e9placement du bateau dans l\u2019eau et permet d\u2019appr\u00e9cier l\u2019influence des courants lorsqu\u2019on compare ses donn\u00e9es avec celles issues de la navigation par satellite.<\/p>\n<p>Dans cet article, vous d\u00e9couvrirez ce qu\u2019est un loch \u00e0 bateau, comment il fonctionne et quels sont les principaux types utilis\u00e9s en navigation maritime et de plaisance.<\/p>\n<h2>Le loch en bref<\/h2>\n<p>En navigation maritime, le loch d\u00e9signe un instrument de mesure servant \u00e0 d\u00e9terminer la vitesse d\u2019un bateau par rapport \u00e0 l\u2019eau et la distance parcourue. Historiquement, il se pr\u00e9sentait sous la forme d\u2019une planchette de bois lest\u00e9e de plomb, reli\u00e9e \u00e0 une ligne gradu\u00e9e.<\/p>\n<p>Le loch indique une vitesse relative, c\u2019est-\u00e0-dire la vitesse du bateau par rapport \u00e0 l\u2019eau environnante. Pour cette raison, les navigateurs devaient autrefois tenir compte de leur connaissance des courants marins ou fluviaux afin d\u2019estimer la vitesse r\u00e9elle par rapport au sol.<\/p>\n<p>De plus, les positions calcul\u00e9es gr\u00e2ce au loch \u00e9taient r\u00e9guli\u00e8rement corrig\u00e9es \u00e0 l\u2019aide de la navigation astronomique. Aujourd\u2019hui, les syst\u00e8mes de radionavigation et de navigation par satellite offrent une pr\u00e9cision bien sup\u00e9rieure. Le loch sert donc principalement d\u2019indication compl\u00e9mentaire ou permet d\u2019analyser les courants en comparant ses valeurs avec celles du GPS.<\/p>\n<h2>Pourquoi le loch reste utile en navigation moderne<\/h2>\n<p>M\u00eame si les technologies actuelles ont largement remplac\u00e9 les m\u00e9thodes traditionnelles, le loch conserve un int\u00e9r\u00eat pratique. Il permet d\u2019identifier rapidement une diff\u00e9rence entre la vitesse dans l\u2019eau et la vitesse fond, r\u00e9v\u00e9lant ainsi la pr\u00e9sence d\u2019un courant favorable ou contraire.<\/p>\n<p>Par ailleurs, en cas de d\u00e9faillance \u00e9lectronique, le loch constitue une solution de secours fiable. Cette redondance renforce la s\u00e9curit\u00e9, en particulier lors de navigations prolong\u00e9es ou c\u00f4ti\u00e8res.<\/p>\n<p>Enfin, pour les passionn\u00e9s de navigation classique, le loch reste un symbole fort du savoir-faire maritime et de la navigation \u00e0 l\u2019estime.<\/p>\n<h2>Types de lochs<\/h2>\n<p>Il existe plusieurs types de lochs utilis\u00e9s au fil du temps en navigation maritime et sur les <a href=\"https:\/\/www.moto-integrator.be\/bateaux\/\">bateaux<\/a> de plaisance.<\/p>\n<ul>\n<li><strong>Lochs \u00e0 flotteur :<\/strong> ce syst\u00e8me traditionnel utilisait une ligne munie de n\u0153uds espac\u00e9s r\u00e9guli\u00e8rement et une planchette lest\u00e9e \u00e0 son extr\u00e9mit\u00e9. D\u00e8s que le sablier \u00e9tait retourn\u00e9, la planchette \u00e9tait jet\u00e9e \u00e0 l\u2019eau. Pendant l\u2019\u00e9coulement du sable, on comptait le nombre de n\u0153uds d\u00e9roul\u00e9s, ce qui permettait de d\u00e9terminer la vitesse en n\u0153uds.<\/li>\n<\/ul>\n<ul>\n<li><strong>Lochs \u00e0 h\u00e9lice :<\/strong> largement utilis\u00e9s sur les yachts jusque dans les ann\u00e9es 1950 et 1960, ces lochs fonctionnaient gr\u00e2ce \u00e0 une petite h\u00e9lice ou une roue \u00e0 aubes plac\u00e9e sous la car\u00e8ne. La rotation de l\u2019h\u00e9lice, transmise m\u00e9caniquement, indiquait la vitesse du bateau dans l\u2019eau.<\/li>\n<\/ul>\n<ul>\n<li><strong>Lochs sans pi\u00e8ces rotatives :<\/strong> cette cat\u00e9gorie comprend les lochs \u00e9lectromagn\u00e9tiques et les lochs Doppler. Ils g\u00e9n\u00e8rent un champ magn\u00e9tique ou des ondes sonores et mesurent les variations induites par le d\u00e9placement du bateau. Les lochs Doppler, par exemple, fonctionnent sur un principe proche de celui du sondeur.<\/li>\n<\/ul>\n<ul>\n<li><strong>Lochs \u00e9lectromagn\u00e9tiques pour bateaux de plaisance :<\/strong> les lochs modernes appartiennent majoritairement \u00e0 cette cat\u00e9gorie. Le capteur, mont\u00e9 \u00e0 fleur de coque, r\u00e9duit la r\u00e9sistance \u00e0 l\u2019eau. Ces appareils disposent souvent d\u2019une interface normalis\u00e9e NMEA, facilitant leur int\u00e9gration avec d\u2019autres instruments de bord. En plus de la vitesse, ils mesurent g\u00e9n\u00e9ralement la temp\u00e9rature de l\u2019eau.<\/li>\n<\/ul>\n<h2>Comment utiliser un loch ?<\/h2>\n<p>Avec le loch traditionnel, une planche de bois lest\u00e9e de plomb, souvent en forme de quart de cercle, est attach\u00e9e \u00e0 une corde gradu\u00e9e. Le navigateur la jette \u00e0 l\u2019eau depuis un bateau en mouvement.<\/p>\n<p>Gr\u00e2ce au lest, la planchette reste presque immobile dans l\u2019eau tandis que la ligne se d\u00e9roule. \u00c0 l\u2019aide d\u2019un sablier, on mesure un intervalle de temps pr\u00e9cis, puis on rel\u00e8ve la longueur de ligne sortie.<\/p>\n<p>En mettant en relation la distance parcourue et le temps \u00e9coul\u00e9, on calcule la vitesse du bateau dans l\u2019eau. Autrefois, cette vitesse, combin\u00e9e au cap donn\u00e9 par le compas, permettait de d\u00e9terminer la position du navire.<\/p>\n<p>Cette m\u00e9thode, bas\u00e9e sur l\u2019addition de segments de route mesur\u00e9s par le loch, le temps et le compas, porte le nom de navigation \u00e0 l\u2019estime. Elle reste un fondement essentiel de la navigation traditionnelle.<\/p>\n<div class=\"product-slider\" style=\"--swiper-theme-color: #d80812;--swiper-navigation-size: 22px;--swiper-navigation-sides-offset: -25px;\"><div class=\"slider-title\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 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2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/npnp5biub0xcv0s8e6be.jpg\" alt=\"37840\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/823664-bougie-de-prechauffage-ngk-7865\" target=\"_blank\">Bougie de pr\u00e9chauffage NGK 7865<\/a><p>Ngk<\/p><div class=\"price-container\"><p class=\"price\">28.23 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/jk0jijp2ppbv3tpq4bg7.jpg\" alt=\"46718\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/1158160-tuyau-dechappement-bosal-750-169\" target=\"_blank\">Tuyau d'\u00e9chappement BOSAL 750-169<\/a><p>Bosal<\/p><div class=\"price-container\"><p class=\"price\">80.10 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/ihfecqummgboogpf4us0.jpg\" alt=\"34817\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/1820695-huile-moteur-castrol-15f6e9-edge-0w20-c5-4l\" target=\"_blank\">Huile moteur CASTROL 15F6E9 Edge 0W20 C5 4L<\/a><p>Castrol<\/p><div class=\"price-container\"><p class=\"price\">47.27 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/bky1yw3ttzv0cbqjibfk.jpg\" alt=\"45523\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/1272721-projecteur-principal-hella-1eg-010-741-071-gauche\" target=\"_blank\">Projecteur principal HELLA 1EG 010 741-071, gauche<\/a><p>Hella<\/p><div class=\"price-container\"><p class=\"price\">194.26 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/gvofb4c0ryrjsckhlqbl.jpg\" alt=\"34489\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/1245601-balai-dessuie-glace-denso-hybrid-dur-043l-425mm-avant-1-piece\" target=\"_blank\">Balai d'essuie-glace DENSO Hybrid DUR-043L, 425mm, Avant, 1 Pi\u00e8ce<\/a><p>Beru By Driv<\/p><div class=\"price-container\"><p class=\"price\">9.24 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><div class=\"swiper-slide product\"><img decoding=\"async\" src=\"https:\/\/ic-files-res.cloudinary.com\/image\/upload\/t_pad_white1200x1200v1\/v1\/item\/epwwuhsbakpjgpjibpvr.jpg\" alt=\"50629\" \/><a class=\"line-clamp-title\" href=\"https:\/\/www.moto-integrator.be\/produits\/2012565-disque-de-frein-bosch-0-986-479-a02-avant-ventile-a-haute-teneur-en-carbone-1-piece\" target=\"_blank\">Disque de frein BOSCH 0 986 479 A02 avant, ventil\u00e9, \u00e0 haute teneur en carbone, 1 pi\u00e8ce<\/a><p>Bosch<\/p><div class=\"price-container\"><p class=\"price\">40.37 EUR<\/p><button class=\"price-button\"><svg id=\"fi_9219671\" enable-background=\"new 0 0 64 64\" height=\"512\" viewBox=\"0 0 64 64\" width=\"512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><g><g><path d=\"m25.308 61.679c-3.514 0-6.373-2.859-6.373-6.373s2.859-6.372 6.373-6.372 6.373 2.858 6.373 6.372-2.859 6.373-6.373 6.373zm0-8.745c-1.308 0-2.373 1.064-2.373 2.372 0 1.309 1.064 2.373 2.373 2.373s2.373-1.064 2.373-2.373c0-1.308-1.064-2.372-2.373-2.372z\"><\/path><path d=\"m47.462 61.679c-3.514 0-6.372-2.859-6.372-6.373s2.858-6.372 6.372-6.372 6.373 2.858 6.373 6.372-2.86 6.373-6.373 6.373zm0-8.745c-1.308 0-2.372 1.064-2.372 2.372 0 1.309 1.064 2.373 2.372 2.373 1.309 0 2.373-1.064 2.373-2.373 0-1.308-1.065-2.372-2.373-2.372z\"><\/path><\/g><path d=\"m52.128 43.994h-31.419c-3.057 0-5.668-2.081-6.35-5.061l-6.521-28.477c-.086-.376-.346-.698-.696-.86l-5.409-2.507c-1.252-.58-1.797-2.066-1.217-3.319.58-1.252 2.067-1.797 3.319-1.217l5.409 2.507c1.743.807 3.04 2.407 3.468 4.28l6.521 28.479c.158.692.765 1.176 1.476 1.176h31.419c.708 0 1.314-.481 1.476-1.171l5.07-21.813c.145-.62-.119-1.071-.288-1.284-.17-.214-.55-.572-1.186-.572h-37c-1.381 0-2.5-1.119-2.5-2.5s1.119-2.5 2.5-2.5h37c1.999 0 3.857.897 5.101 2.462s1.696 3.579 1.244 5.526l-5.071 21.814c-.691 2.965-3.3 5.037-6.346 5.037z\"><\/path><\/g><\/svg><path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"m8.25 4.5 7.5 7.5-7.5 7.5\" \/><\/svg><\/button><\/div><p class=\"price-info\">TVA incluse, hors frais de port<\/p><\/div><\/div><div class=\"swiper-pagination\"><\/div><div class=\"swiper-button-prev\"><\/div><div class=\"swiper-button-next\"><\/div><\/div><\/div>\n<h2>FAQ<\/h2>\n<h3>Qu\u2019indique un loch \u00e0 bateau ?<\/h3>\n<p>Le loch indique la vitesse du bateau par rapport \u00e0 l\u2019eau ainsi que la distance parcourue. Il fournit donc une information cl\u00e9 pour le suivi de la navigation.<\/p>\n<h3>Comment mesure-t-on la vitesse d\u2019un bateau ?<\/h3>\n<p>La vitesse d\u2019un bateau se mesure en n\u0153uds. Un n\u0153ud correspond \u00e0 un mille marin par heure, soit environ 1,8 kilom\u00e8tre par heure.<\/p>\n<h3>Quelle est la diff\u00e9rence entre la vitesse loch et la vitesse GPS ?<\/h3>\n<p>La vitesse loch correspond au d\u00e9placement du bateau dans l\u2019eau, tandis que la vitesse GPS indique la vitesse par rapport au sol. La diff\u00e9rence entre les deux r\u00e9v\u00e8le l\u2019influence des courants.<\/p>\n<h3>Le loch est-il encore utile avec un GPS moderne ?<\/h3>\n<p>Oui. Le loch compl\u00e8te les donn\u00e9es du GPS et permet de mieux comprendre les conditions de navigation, tout en offrant une solution de secours en cas de panne \u00e9lectronique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Loch \u00e0 bateau : r\u00f4le et fonctionnement D\u00e9terminer la vitesse et la distance parcourue d\u2019un bateau a longtemps repos\u00e9 sur l\u2019utilisation du loch. Avant l\u2019arriv\u00e9e des syst\u00e8mes modernes de navigation, cet instrument constituait une r\u00e9f\u00e9rence indispensable pour estimer la route suivie en mer. Encore aujourd\u2019hui, le loch conserve une valeur pratique. Il fournit des informations [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":16494,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8856,2155],"tags":[6977],"class_list":["post-16493","post","type-post","status-publish","format-standard","has-post-thumbnail","category-bateaux","category-conseils","tag-loch-a-bateau"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Loch \u00e0 bateau : comment \u00e7a marche ? | Motointegrator<\/title>\n<meta name=\"description\" content=\"Qu&#039;est-ce qu&#039;un loch et comment l&#039;utiliser correctement sur un bateau. \u25b7 En savoir plus ici !\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.moto-integrator.be\/blog\/loch-a-bateau-comment-ca-marche\/\" \/>\n<meta property=\"og:locale\" content=\"fr-BE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Loch \u00e0 bateau : comment \u00e7a marche ? | Motointegrator\" \/>\n<meta property=\"og:description\" content=\"Qu&#039;est-ce qu&#039;un loch et comment l&#039;utiliser correctement sur un bateau. \u25b7 En savoir plus ici !\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.moto-integrator.be\/blog\/loch-a-bateau-comment-ca-marche\/\" \/>\n<meta property=\"og:site_name\" content=\"Moto-integrator.be - 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