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BT-12二年級生教練機

Fleetwings BT-12 Sophomore
XBT-12
概觀
類型初級教練機
乘員2人
首飛1939年
服役1942年
生產Fleetwings英语Fleetwings
產量25架
現況已取消/退役
主要用戶美國陸軍航空軍
技术数据
長度29ft2in(8.89m)[1]
翼展40ft(12m)
高度11ft4in(3.45m)
翼面積240.4sq ft(22.33m²)
空重3,173lb(1,439kg)
正常起飛重量4,497lb(2,040kg)
發動機1具普惠R-985-AN-1 Wasp Junior英语Pratt & Whitney R-985 Wasp Junior星型引擎
推力450hp(340kW)
性能數據
最大速度195mph(314km/h,169kn)
巡航速度150mph(240km/h,130kn)
最大升限23,800ft(7,300m)
最大航程675mi(1,086km,587nmi)

BT-12二年級生(英語:Sophomore)(Model 23)是Fleetwings英语Fleetwings美國陸軍航空軍製造的 全金屬基礎教練機。在合約被取消之前,該型號僅生產了24架。

發展

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隨著第二次世界大戰的爆發,美國陸軍航空兵團(後來的美國陸軍航空軍)極度需要教練機的投入。為了獲得盡可能多的教練機,陸軍航空軍與不銹鋼板製造商Fleetwings簽訂合同,[2]生產一架基礎教練機。1939年訂購了型號為XBT-12Model 23原型機。[3]

XBT-12是一款全金屬低翼懸臂單翼飛機,配備固定尾輪起落架 這架飛機有兩個相同的串聯駕駛艙,供教練和學生使用,並由頂篷覆蓋。它是第一架主要由焊接不銹鋼製成的軍用飛機。[4]

在1939年底開始對XBT-12進行評估後,[1]Fleetwings於1941年向萊特機場英语Wilbur Wright Field交付第一架飛機,[5]陸軍共下達了176架量產型飛機的訂單,編號為BT-12[6][7]在合約取消之前,Fleetwings僅交付了24架,其中1架於1942年,剩餘23架則在1943年交付[3],剩下的訂單則由BT-13教練機取代。[2]

型號

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XBT-12
陸軍給予原型機Model 23的編號,共1架
BT-12
陸軍給予量產版Model 23的編號,共建造24架,並取消152架的訂單

參考

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註記
  1. ^ 1.0 1.1 Historical Office of the Army Air Forces. The official pictorial history of the AAF. New York: Duell, Sloan and Pierce. 1947: 177. ASIN B000GU84Z2. 
  2. ^ 2.0 2.1 Pattillo, Donald M. Pushing the Envelope: The American Aircraft Industry. Ann Arbor, MI: University of Michigan Press. 2001: 131. ISBN 978-0472086719. 
  3. ^ 3.0 3.1 Gunston, Bill. World Encyclopaedia of Aircraft Manufacturers. Annapolis, MD: Naval Institute Press. 1994: 118. ISBN 978-1557509390. 
  4. ^ Pitkin, Walter. What's That Plane?: The Handbook for Practical Aircraft Identification 2nd. New York: Penguin Books. 1942: 60. ASIN B001DEMTMO. 
  5. ^ Brevities from Here and There, Air Corps News Letter 24 (3), 1 February 1941, 24 (3): 15 [5 October 2023] 
  6. ^ Andrade, John. U.S. Military Aircraft Designations and Serials since 1909. Leicester, UK: Midland Counties Publications. 1979: 61. ISBN 0-904597-22-9. 
  7. ^ Trimble, William F. High Frontier: A History of Aeronautics in Pennsylvania. Pittsburgh, PA: University of Pittsburgh Press. 1982: 217–218. ISBN 0-8229-5340-4. 
書目
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing
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BT-12二年級生教練機
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