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The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter developed by Piasecki Aircraft. The X-49A is based on the airframe of a Sikorsky YSH-60F Seahawk, but utilizes Piasecki's proprietary vectored thrust ducted propeller (VTDP) design and includes the addition of lifting wings. The concept of the experimental program was to apply the VTDP technology to a production military helicopter to determine any benefit gained through increases in performance or useful load.

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rdf:type
rdfs:label
  • Piasecki X-49 (cs)
  • Piasecki X-49 (de)
  • Piasecki X-49 (fr)
  • Piasecki X-49 (in)
  • Piasecki X-49 Speedhawk (it)
  • X-49 (航空機) (ja)
  • Piasecki X-49 SpeedHawk (en)
  • Piasecki X-49 (pl)
  • X-49試驗機 (zh)
rdfs:comment
  • Piasecki X-49 „SpeedHawk“ je americký experimentální vysokorychlostní složený vrtulník, který kombinuje poháněný rotor vrtulníku s křídly a přídavným pohonem pro přímý let. X-49 SpeedHawk měl demonstrovat schopnost zvýšení rychlosti současných vrtulníků na rychlost 200 uzlů (360 km/h). Původně byl SpeedHawk projektem US Navy, které na něm zahájilo práce v roce 2000, ale od roku 2004 byl vývoj financován z rozpočtu US Army. X-49 je firmou upravený vrtulník YSH-60F, který do té doby sloužil jako vrtulník vyhrazený pro testy u US Navy. Vznikl jako technologický demonstrátor konceptu vrtulníku s vektorovou axiální vrtulí (Vectored Thrust Ducted Propeller – VTDP) a byl součástí armádního programu Army Advanced Technology Demonstration (ATD). (cs)
  • Die Piasecki X-49A „Speedhawk“, anfangs als Sikorsky YSH-60F bezeichnet, ist ein experimenteller Kombinationsflugschrauber des US-amerikanischen Herstellers Piasecki Aircraft Corporation, der an einer serienmäßigen SH-60F-Hubschrauberzelle die von Piasecki patentierte Schubvektorsteuerung in einem Mantelpropeller (Vectored Thrust Ducted Propeller, VTDP) verwendet, um den mit dieser Technik möglichen Leistungsgewinn zu ermitteln. Das Programm wurde 2008 beendet. Die Programmkosten beliefen sich auf insgesamt 26,1 Mio. US-Dollar. (de)
  • Piasecki X-49 adalah sebuah helikopter percobaan empat-berbilah, bermesin ganda, sedang dikembangkan oleh Piasecki Aircraft. X-49A didasarkan pada badan pesawat dari Sikorsky YSH-60F Seahawk, tetapi itu memanfaatkan desain vektor dorong menyalurkan baling-baling (VTDP) milik Piasecki dan termasuk penambahan sayap angkat. Konsep program eksperimental adalah untuk menerapkan teknologi VTDP ke sebuah produksi helikopter militer untuk menentukan manfaat yang diperoleh melalui peningkatan kinerja atau beban berguna. (in)
  • Le Piasecki X-49 SpeedHawk est un hélicoptère expérimental développé par Piasecki Helicopter sur la base d'un Sikorsky YSH-60F Seahawk, mais qui utilise une technologie appelée Vectored Thrust Ducted Propeller technology (VTDP), consistant à canaliser la poussée du rotor anticouple ainsi que des ailes courtes placées au niveau des points d'emport d'armement. Le concept du programme consiste à appliquer la technologie VTDP à un hélicoptère destiné aux usages militaires afin de déterminer les avantages obtenus au niveau des performances ou de l'emport de charge utile. (fr)
  • X-49 スピードホーク( X-49 Speeda Hawk )は、アメリカ陸軍とパイアセッキ・エアクラフト社が試験している複合ヘリコプター。2007年初飛行。 (ja)
  • Il Piasecki X-49 Speedhawk è un elicoplano sperimentale bimotore, rotore a quattro pale, sviluppato da parte della Piasecki Aircraft Corporation. L'X-49A è basato sulla cellula di un YSH-60F Seahawk della Sikorsky, ma utilizza la tecnologia "spinta vettoriale con elica intubata" (vectored thrust ducted propeller - VTDP) della Piasecki ed inoltre è fornito di ali portanti.Il fine del programma sperimentale è quello di applicare la tecnologia VTDP ad un elicottero militare di produzione per determinare eventuali benefici; ad esempio l'aumento di prestazioni o di carico utile trasportabile. (it)
  • Piasecki X-49 "SpeedHawk" – amerykański śmigłowiec eksperymentalny powstały na bazie konstrukcji Sikorsky SH-60 Seahawk. Maszyna jest demonstratorem technologii mającej umożliwić śmigłowcom osiągania dużych prędkości w locie poziomym oraz zwiększać ich pułap i zasięg. (pl)
  • X-49A Speedhawk是由Piasecki飛機公司以SH-60海鷹直升機改裝的高速飛行試驗直升機。 (zh)
  • The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter developed by Piasecki Aircraft. The X-49A is based on the airframe of a Sikorsky YSH-60F Seahawk, but utilizes Piasecki's proprietary vectored thrust ducted propeller (VTDP) design and includes the addition of lifting wings. The concept of the experimental program was to apply the VTDP technology to a production military helicopter to determine any benefit gained through increases in performance or useful load. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Piasecki_X-49-2.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Piasecki_X-49-3_(cropped).jpg
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similar aircraft
  • * Eurocopter X3 * Kamov Ka-92 * Mil Mi-X1 * Piasecki 16H Pathfinder * Sikorsky X2 (en)
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