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Home > Russian Military Reconnaissance Aircraft 1910-1919: Lebed XII(English)
Russian Military Reconnaissance Aircraft 1910-1919: Lebed XII(English)

Russian Military Reconnaissance Aircraft 1910-1919: Lebed XII(English)

          
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About the Book

Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: The Lebed XII was a Russian military reconnaissance aircraft produced during the First World War for the Imperial Russian Air Force. It was one of the few domestically-designed aircraft to see production in Russia during the war, but was based on designs and techniques learned from Lebed's rebuilding of captured German types. The fuselage was a plywood structure of rectangular cross-section with seating for the pilot and observer in tandem, open cockpits. The wings were built around a pine spar and covered in fabric, and the empennage (tail assembly) was of welded steel tube with fabric covering. Test flights commenced on 28 December 1915, but were interrupted by bad weather in St Petersburg, where the Lebed factory was located. Testing was therefore moved to Kiev, and then to the Anatra factory at Odessa on 11-15 February 1916. Grand Duke Alexander Mikhailovich ordered 400 aircraft on February 23, but the final contract on 19 April was for 225 aircraft, 245 sets of spare parts and 10 static airframes for a total of 5,153,500 rubles. Before production began, a number of handling difficulties noted by the test pilots were being corrected in the design, along with a new set of problems caused by a change in powerplant. The prototypes had been flown with 97 kW (130 hp) engines, but the production contract called mostly for 112 kW (150 hp) engines, plus some machines equipped with 104 kW (140 hp) engines for training. These heavier powerplants shifted the aircraft's centre of gravity, and the mountings for the engine and cooling system had to be revised before a final round of tests began in October. Serial production finally commenced in November and delivery to squadrons soon afterwards. The Lebed XII started appearing on the front line in qu... More: http://booksllc.net/?id=19393888


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Product Details
  • ISBN-13: 9781156195840
  • Publisher: Books LLC
  • Publisher Imprint: Books LLC
  • Height: 152 mm
  • No of Pages: 44
  • Series Title: English
  • Sub Title: Lebed XII
  • Width: 229 mm
  • ISBN-10: 1156195845
  • Publisher Date: 31 May 2010
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Spine Width: 3 mm
  • Weight: 77 gr


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