{"id":8411355,"date":"2026-08-01T09:28:48","date_gmt":"2026-08-01T07:28:48","guid":{"rendered":"https:\/\/migflug.com\/jetflights\/grumman-f8f-bearcat-last-piston-fighter\/"},"modified":"2026-08-01T10:16:04","modified_gmt":"2026-08-01T08:16:04","slug":"grumman-f8f-bearcat-le-dernier-chasseur-a-pistons","status":"publish","type":"post","link":"https:\/\/migflug.com\/jetflights\/fr\/grumman-f8f-bearcat-last-piston-fighter\/","title":{"rendered":"Le dernier avion de chasse \u00e0 pistons, qui continue d&#039;\u00e9tablir des records"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style><p>Grumman a construit le <a href=\"https:\/\/migflug.com\/jetflights\/fr\/aeronef\/f8f-bearcat\/\">F8F Bearcat<\/a> L&#039;id\u00e9e ma\u00eetresse \u00e9tait de prendre le plus gros moteur am\u00e9ricain et de l&#039;int\u00e9grer \u00e0 l&#039;avion le plus petit possible. Le r\u00e9sultat \u00e9tait moins un chasseur qu&#039;un moteur en selle\u00a0: un 18 cylindres en \u00e9toile propulsant une cellule ultral\u00e9g\u00e8re dans les airs \u00e0 une vitesse in\u00e9gal\u00e9e par l&#039;\u00e8re des moteurs \u00e0 pistons.<\/p><p>Il est n\u00e9 de dures le\u00e7ons. En 1942, des v\u00e9t\u00e9rans du Pacifique ont fait part \u00e0 Grumman de leurs principales attentes concernant un chasseur\u00a0: une bonne capacit\u00e9 de mont\u00e9e. Le Bearcat a r\u00e9pondu \u00e0 cette exigence de fa\u00e7on si parfaite qu\u2019il pouvait d\u00e9coller d\u2019un porte-avions en quelques dizaines de m\u00e8tres et atteindre une vitesse ascensionnelle de pr\u00e8s de 1\u00a0460 m\u00e8tres par minute.<\/p><p>Mais l&#039;histoire en d\u00e9cida autrement. Lorsqu&#039;il rejoignit la flotte en 1945, la guerre pour laquelle il avait \u00e9t\u00e9 con\u00e7u touchait \u00e0 sa fin et l&#039;\u00e8re du jet commen\u00e7ait. Le Bearcat ne tira jamais ses canons entre les mains des Am\u00e9ricains. Sa post\u00e9rit\u00e9 s&#039;imposa plus tard, sur les pyl\u00f4nes de Reno.<\/p>\r\n<div style=\"background:#f5f5f5;padding:20px 24px;margin:24px 0;border-radius:8px\"><p style=\"margin:0 0 10px;font-weight:700;font-size:18px;color:#222\">Informations cl\u00e9s<\/p><table style=\"width:100%;border-collapse:collapse;font-size:15px\"><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Taper<\/td><td style=\"padding:6px 0;color:#444\">Chasseur monomoteur et monoplace embarqu\u00e9 \u2014 le dernier chasseur \u00e0 pistons de Grumman<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Moteur<\/td><td style=\"padding:6px 0;color:#444\">Pratt &amp; Whitney R-2800 Double Wasp radial<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Premier vol<\/td><td style=\"padding:6px 0;color:#444\">21 ao\u00fbt 1944<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Entr\u00e9e de service<\/td><td style=\"padding:6px 0;color:#444\">1945 \u2014 trop tard pour les combats de la Seconde Guerre mondiale<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Objectif de conception<\/td><td style=\"padding:6px 0;color:#444\">Cellule la plus petite et la plus l\u00e9g\u00e8re autour du plus gros moteur, pour des mont\u00e9es fulgurantes<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">utilisation au combat<\/td><td style=\"padding:6px 0;color:#444\">L&#039;Indochine fran\u00e7aise, puis le Sud-Vietnam, n&#039;ont jamais \u00e9t\u00e9 sous contr\u00f4le am\u00e9ricain.<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Construit<\/td><td style=\"padding:6px 0;color:#444\">1 265 (1945\u20131949)<\/td><\/tr><tr><td style=\"padding:6px 12px 6px 0;font-weight:600;color:#333;vertical-align:top;white-space:nowrap\">Consigner l&#039;au-del\u00e0<\/td><td style=\"padding:6px 0;color:#444\">\u201c Rare Bear \u201d a \u00e9tabli un record de vitesse sur 3 km pour un v\u00e9hicule \u00e0 pistons, atteignant environ 528 mph en 1989.<\/td><\/tr><\/table><\/div>\r\n<h2 style=\"padding-top:22px\">Un moteur avec une selle<\/h2><p>La capacit\u00e9 de franchissement d\u00e9pend du rapport poids\/puissance, et Grumman l&#039;a recherch\u00e9e sans rel\u00e2che. Le Bearcat \u00e9tait 1,5 m\u00e8tre plus court que le <a href=\"https:\/\/migflug.com\/jetflights\/fr\/aeronef\/f6f-hellcat\/\">F6F Hellcat<\/a>, Il mesurait sept pieds de moins en envergure et n&#039;emportait que quatre canons et une modeste quantit\u00e9 de carburant. Il \u00e9tait dot\u00e9 d&#039;une verri\u00e8re en forme de bulle, une premi\u00e8re pour un chasseur de l&#039;US Navy.<\/p><p>Compar\u00e9 au Hellcat, il \u00e9tait environ un cinqui\u00e8me plus l\u00e9ger, grimpait environ 30 % mieux et volait nettement plus vite avec le m\u00eame type de moteur. Grumman l&#039;avait m\u00eame dot\u00e9 d&#039;ailettes d\u00e9tachables con\u00e7ues pour se rompre net en cas de charge extr\u00eame.<\/p>\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=1118473580  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/f8f-bearcat-vf-111-carrier-1949-scaled.jpg\" alt=\"F8F-2 Bearcats \u00e0 bord de l&#039;USS Valley Forge, 1949\" style=\"width:100%;height:auto;max-width:100%;display:block;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">F8F-2 Bearcats de l&#039;escadron VF-111 de l&#039;US Navy \u00e0 bord de l&#039;USS Valley Forge, 1949. US Navy.<\/figcaption><\/figure>\r\n<h2 style=\"padding-top:22px\">Trop tard pour sa propre guerre<\/h2><p>Command\u00e9 en 1943, le prototype effectua son premier vol le 21 ao\u00fbt 1944 et les livraisons commenc\u00e8rent en mai 1945. La premi\u00e8re escadre a\u00e9rienne de Bearcat atteignit le Pacifique quelques jours seulement apr\u00e8s la capitulation du Japon. Aucun Bearcat n&#039;a jamais effectu\u00e9 la mission de combat a\u00e9rien pour laquelle il avait \u00e9t\u00e9 con\u00e7u au sein de l&#039;arm\u00e9e de l&#039;air am\u00e9ricaine\u00a0; il demeure l&#039;un des grands \u201c\u00a0et si\u00a0\u201d de l&#039;histoire de l&#039;aviation.\u201d<\/p>\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/6CQLpByAbns\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n<p style=\"font-size:14px;color:#777;font-style:italic;text-align:center;margin-top:-12px\">Un ours rare sur les pyl\u00f4nes de Reno.<\/p>\r\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>\u201c On dirait une machine \u00e0 muscles, et c&#039;en est une. \u201d<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>John Deakin<\/strong> \u2014 Avion pilote de d\u00e9monstration Warbird (HistoryNet, 2010)<\/div><\/div><\/div>\r\n<h2 style=\"padding-top:22px\">L&#039;ascension qui a forg\u00e9 les l\u00e9gendes<\/h2><p>Les performances verticales du Bearcat ont stup\u00e9fi\u00e9 tout le monde. En 1946, un exemplaire non modifi\u00e9 \u00e9tablit un record de vitesse ascensionnelle\u00a0: 3\u00a0048 m\u00e8tres (10\u00a0000 pieds) en 94 secondes apr\u00e8s une course de d\u00e9collage d&#039;\u00e0 peine plus de trente m\u00e8tres (une trentaine de pieds) \u2013 un record qui tint pr\u00e8s de dix ans. Les Blue Angels de l&#039;US Navy vol\u00e8rent sur Bearcat \u00e0 la fin des ann\u00e9es 1940, et le jeune Neil Armstrong, qui s&#039;entra\u00eena sur cet appareil, le d\u00e9clara plus tard son avion pr\u00e9f\u00e9r\u00e9.<\/p>\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=1044286353  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/ml5psubhxdln.i.optimole.com\/cb:0e0_.b970\/w:auto\/h:auto\/q:mauto\/ig:avif\/https:\/\/migflug.com\/jetflights\/wp-content\/uploads\/sites\/4\/2026\/08\/f8f-bearcat-french-indochina-1954-scaled.jpg\" alt=\"Des F8F Bearcat fran\u00e7ais en Indochine\" style=\"width:100%;height:auto;max-width:100%;display:block;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">Des Bearcats fran\u00e7ais \u00e0 Tourane, en Indochine, vers 1954 \u2014 le seul combat de ce type d&#039;appareil. Wikimedia Commons.<\/figcaption><\/figure>\r\n<h2 style=\"padding-top:22px\">La seule guerre qu&#039;elle ait men\u00e9e<\/h2><p>Le Bearcat ne connut d&#039;engagement au combat qu&#039;aux mains des Fran\u00e7ais. Pr\u00e8s de deux cents exemplaires furent livr\u00e9s aux forces fran\u00e7aises en Indochine \u00e0 partir de 1951 pour des attaques terrestres contre le Viet Minh. Apr\u00e8s le retrait des Fran\u00e7ais, les survivants furent transf\u00e9r\u00e9s \u00e0 l&#039;arm\u00e9e de l&#039;air sud-vietnamienne. Ceux qui n&#039;eurent pas combattu dans le Pacifique trouv\u00e8rent leur utilit\u00e9 dans les rizi\u00e8res d&#039;Asie du Sud-Est.<\/p>\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/LucOvPX9E8s\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n<p style=\"font-size:14px;color:#777;font-style:italic;text-align:center;margin-top:-12px\">Des coureurs en nombre illimit\u00e9, dont Rare Bear, \u00e0 Reno.<\/p>\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>\u201c C&#039;est mon avion pr\u00e9f\u00e9r\u00e9. Si on prend en compte toutes ses qualit\u00e9s, il arrive en t\u00eate. \u201d<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Steve Hinton<\/strong> \u2014 Pilote d&#039;avions de guerre et de course a\u00e9rienne v\u00e9t\u00e9ran (HistoryNet, 2010)<\/div><\/div><\/div>\r\n<h2 style=\"padding-top:22px\">Rare Bear et les livres de records<\/h2><p>Un Bearcat, retrouv\u00e9 \u00e0 l&#039;\u00e9tat d&#039;\u00e9pave en 1962, est devenu le plus c\u00e9l\u00e8bre de tous. Reconstruit par Lyle Shelton et \u00e9quip\u00e9 d&#039;un moteur radial Wright surpuissant, le \u201c\u00a0Rare Bear\u00a0\u201d a domin\u00e9 la cat\u00e9gorie Reno Unlimited pendant des d\u00e9cennies. Le 21 ao\u00fbt 1989, 45 ans jour pour jour apr\u00e8s le premier vol du prototype, il a atteint la vitesse mesur\u00e9e de 850 km\/h (528 mph) sur un parcours de trois kilom\u00e8tres, devenant ainsi l&#039;avion \u00e0 moteur \u00e0 pistons le plus rapide jamais enregistr\u00e9 dans cette cat\u00e9gorie. Des avions de course ult\u00e9rieurs ont r\u00e9alis\u00e9 des performances sup\u00e9rieures sur diff\u00e9rents parcours, mais la place du Bearcat dans les annales du sport automobile demeure incontestable.<\/p>\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/ljUgK3RdEpo\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\r\n<p style=\"font-size:14px;color:#777;font-style:italic;text-align:center;margin-top:-12px\">Le Bearcat de course \u00e0 pleine puissance.<\/p><p style=\"font-size:14px;color:#666;font-style:italic;margin-top:20px\">Sources\u00a0: Wikip\u00e9dia (Grumman F8F Bearcat\u00a0; Rare Bear)\u00a0; Stephan Wilkinson, \u201c\u00a0An Engine With a Saddle\u00a0\u201d, Aviation History \/ HistoryNet (2010). Photo principale\u00a0: Don Ramey Logan \/ CC BY.<\/p>\r\n<div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px;border-radius:0 8px 8px 0\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Articles similaires<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/f6f-hellcat-ace-maker\/\">La Hellcat : la machine \u00e0 as qui a bris\u00e9 le z\u00e9ro<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/grumman-f7f-tigercat-heavy-fighter\/\">Le chat bimoteur qui a \u00e9chapp\u00e9 de peu \u00e0 la guerre<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/roscoe-turner-air-racer-gilmore-lion\/\">Le pilote de course a\u00e9rienne qui volait avec un lion apprivois\u00e9<\/a><\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>Le Grumman F8F Bearcat n&#039;a pas particip\u00e9 aux combats de la Seconde Guerre mondiale, mais il reste dans les m\u00e9moires sous le nom de \u201c Rare Bear \u201d, l&#039;avion \u00e0 moteur \u00e0 pistons le plus rapide jamais engag\u00e9 en course.<\/p>","protected":false},"author":27,"featured_media":8411045,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[666,664],"tags":[],"class_list":["post-8411355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-history-and-legends","category-military-aviation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Grumman F8F Bearcat: Last Piston Fighter<\/title>\n<meta name=\"description\" content=\"The Grumman F8F Bearcat missed WWII combat but lives on as Rare Bear, the fastest piston-engined aircraft ever raced.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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