{"id":1938,"date":"2026-07-21T10:06:59","date_gmt":"2026-07-21T08:06:59","guid":{"rendered":"https:\/\/www.lemuseedespompiers.re\/?page_id=1938"},"modified":"2026-07-23T08:56:42","modified_gmt":"2026-07-23T06:56:42","slug":"image-2","status":"publish","type":"page","link":"https:\/\/www.lemuseedespompiers.re\/index.php\/image-2\/","title":{"rendered":"De la lance simple \u00e0 la lance r\u00e9glable"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"706\" height=\"1024\" src=\"https:\/\/www.lemuseedespompiers.re\/wp-content\/uploads\/2026\/07\/photo_02-706x1024.jpg\" alt=\"\" class=\"wp-image-2009\" srcset=\"https:\/\/www.lemuseedespompiers.re\/wp-content\/uploads\/2026\/07\/photo_02-706x1024.jpg 706w, https:\/\/www.lemuseedespompiers.re\/wp-content\/uploads\/2026\/07\/photo_02-207x300.jpg 207w, https:\/\/www.lemuseedespompiers.re\/wp-content\/uploads\/2026\/07\/photo_02-768x1113.jpg 768w, https:\/\/www.lemuseedespompiers.re\/wp-content\/uploads\/2026\/07\/photo_02-1060x1536.jpg 1060w, https:\/\/www.lemuseedespompiers.re\/wp-content\/uploads\/2026\/07\/photo_02-1413x2048.jpg 1413w, https:\/\/www.lemuseedespompiers.re\/wp-content\/uploads\/2026\/07\/photo_02-1320x1913.jpg 1320w, https:\/\/www.lemuseedespompiers.re\/wp-content\/uploads\/2026\/07\/photo_02.jpg 1766w\" sizes=\"auto, (max-width: 706px) 100vw, 706px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La fonction premi\u00e8re d\u2019une lance d\u2019incendie reste inchang\u00e9e : recevoir l\u2019eau achemin\u00e9e par les tuyaux, l\u2019acc\u00e9l\u00e9rer puis la diriger vers le feu. Son \u00e9volution a cependant profond\u00e9ment modifi\u00e9 la mani\u00e8re dont les sapeurs-pompiers utilisent l\u2019eau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La photographie, probablement prise dans les ann\u00e9es 1980-1990 d\u2019apr\u00e8s la tenue port\u00e9e, montre une lance de conception simple. Son identification technique pr\u00e9cise reste \u00e0 \u00e9tablir. Elle \u00e9voque n\u00e9anmoins des mat\u00e9riels offrant g\u00e9n\u00e9ralement moins de possibilit\u00e9s de r\u00e9glage que les lances contemporaines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les anciennes lances permettaient avant tout d\u2019obtenir un jet offrant de la port\u00e9e et de la p\u00e9n\u00e9tration. Selon les mod\u00e8les, la fermeture de l\u2019eau, la modification du jet ou le changement de d\u00e9bit pouvaient \u00eatre impossibles, limit\u00e9s ou n\u00e9cessiter une autre pi\u00e8ce.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les lances plus r\u00e9centes permettent g\u00e9n\u00e9ralement au porte-lance d\u2019agir directement sur plusieurs param\u00e8tres :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ouvrir ou interrompre l\u2019\u00e9coulement ;<\/li>\n\n\n\n<li>choisir la forme du jet ;<\/li>\n\n\n\n<li>passer d\u2019un jet resserr\u00e9 \u00e0 un jet diffus\u00e9 ;<\/li>\n\n\n\n<li>r\u00e9gler le d\u00e9bit sur certains mod\u00e8les.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ces possibilit\u00e9s ne sont pas de simples commodit\u00e9s. Elles permettent d\u2019adapter l\u2019eau au r\u00e9sultat recherch\u00e9. Un jet resserr\u00e9 porte plus loin et p\u00e9n\u00e8tre davantage. Un jet diffus\u00e9 r\u00e9partit l\u2019eau en gouttes plus nombreuses et favorise le refroidissement d\u2019un volume plus large.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La technologie ne remplace cependant pas le savoir-faire. Une lance perfectionn\u00e9e peut gaspiller beaucoup d\u2019eau ou produire des effets ind\u00e9sirables si le jet, le d\u00e9bit et la dur\u00e9e d\u2019application sont mal choisis. Inversement, une lance simple pouvait \u00eatre efficace lorsqu\u2019elle \u00e9tait employ\u00e9e \u00e0 la bonne distance et dans une situation correspondant \u00e0 ses caract\u00e9ristiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019\u00e9volution essentielle r\u00e9side donc dans une capacit\u00e9 accrue \u00e0 <strong>ma\u00eetriser l\u2019eau<\/strong> : employer la quantit\u00e9 n\u00e9cessaire, sous la forme adapt\u00e9e, au moment opportun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Datation probable : ann\u00e9es 1980-1990 \u2014 Lieu et cr\u00e9dit photographique : D.R. \u2014 Mod\u00e8le \u00e0 identifier.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La fonction premi\u00e8re d\u2019une lance d\u2019incendie reste inchang\u00e9e : recevoir l\u2019eau achemin\u00e9e par les tuyaux, l\u2019acc\u00e9l\u00e9rer puis la diriger vers le feu. Son \u00e9volution a cependant profond\u00e9ment modifi\u00e9 la mani\u00e8re [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":"","_tec_slr_enabled":"","_tec_slr_layout":""},"class_list":["post-1938","page","type-page","status-publish","hentry"],"ticketed":false,"_links":{"self":[{"href":"https:\/\/www.lemuseedespompiers.re\/index.php\/wp-json\/wp\/v2\/pages\/1938","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lemuseedespompiers.re\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lemuseedespompiers.re\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lemuseedespompiers.re\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lemuseedespompiers.re\/index.php\/wp-json\/wp\/v2\/comments?post=1938"}],"version-history":[{"count":4,"href":"https:\/\/www.lemuseedespompiers.re\/index.php\/wp-json\/wp\/v2\/pages\/1938\/revisions"}],"predecessor-version":[{"id":2042,"href":"https:\/\/www.lemuseedespompiers.re\/index.php\/wp-json\/wp\/v2\/pages\/1938\/revisions\/2042"}],"wp:attachment":[{"href":"https:\/\/www.lemuseedespompiers.re\/index.php\/wp-json\/wp\/v2\/media?parent=1938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}