{"id":318078,"date":"2025-11-25T12:53:31","date_gmt":"2025-11-25T12:53:31","guid":{"rendered":"https:\/\/peraltafinancing.com\/airline\/apache-gurney-flap\/"},"modified":"2025-11-25T12:53:31","modified_gmt":"2025-11-25T12:53:31","slug":"apache-gurney-flap","status":"publish","type":"post","link":"https:\/\/fivemor.com\/?p=318078","title":{"rendered":"Apache gurney flap"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div>Does anyone know why they added a gurney flap to the Apache? It has two on the stabilator, left side down, right side up. Happy how a gurney flap works (black magic clearly), but what did it cure on the Apache and why?<\/p>\n<p> My guess is that it cures tail rotor roll in forward flight as the TR sits higher and higher (in relation to the rotor disc) even with a moving stabilator. Other options might be uneven EFABS, dutch roll. Anyone know any fabled design stories about the Apache?<\/p>\n<p> I have looked at the old closed threads on gurney flaps, and they don&#8217;t really answer this question.  <\/p>\n<p> Thanks in advance<\/p>\n<p> Jeep<\/p><\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Does anyone know why they added a gurney flap to the Apache? It has two on the stabilator, left side down, right side up. Happy how a gurney flap works (black magic clearly), but what did it cure on the Apache and why? My guess is that it cures tail rotor roll in forward flight [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12028],"tags":[53485,2236,12585,12950,41795,14249,53489,1906,12875,35983,35530,53481,5167,12576,53487,14580,14115,53490,2408,38943,533,17604,3110,2364,53480,53479,1043,14556,53482,5921,53486,1820,1042,25005,1478,53488,53478,14996,324,38614,53483,53484,1558],"dealstore":[],"offerexpiration":[],"class_list":["post-318078","post","type-post","status-publish","format-standard","hentry","category-airline","tag-aeroplane","tag-air","tag-airbus","tag-aircraft","tag-aircrew","tag-airline","tag-airline-pilot","tag-airplane","tag-airport","tag-apache","tag-atc","tag-atpl","tag-aviation","tag-boeing","tag-caa","tag-cockpit","tag-commercial","tag-commercial-pilot","tag-control","tag-cpl","tag-crew","tag-faa","tag-flap","tag-flight","tag-flightcrew","tag-flightdeck","tag-flying","tag-gurney","tag-ifr","tag-jet","tag-logbook","tag-news","tag-pilot","tag-pilots","tag-professional","tag-professional-pilot","tag-rumour","tag-traffic","tag-training","tag-turboprop","tag-vfr","tag-wannabe","tag-weather"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Apache gurney flap - Som2ny Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fivemor.com\/?p=318078\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apache gurney flap - Som2ny Network\" \/>\n<meta property=\"og:description\" content=\"Does anyone know why they added a gurney flap to the Apache? It has two on the stabilator, left side down, right side up. Happy how a gurney flap works (black magic clearly), but what did it cure on the Apache and why? 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