Nordenov bombni namerilnik
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Nordenov bombni namerilnik (ang. Norden bombsight, rus. Bombovij pricel) je bil tahometrični bombni namerilnik, ki so ga uporabljale Ameriške letalske sile (USAAF) in Ameriška mornarica med 2. Svetovno vojno, Korejsko in Vietnamsko vojno. Ta naprava, ki je bila v bistvu analogni računalnik povezan z avtopilotom je povečala natančnost bombardiranja. Računalnik je preračunal parametre kot so hitrost, veter, višina in je potem prek avtopilota usmeril letalo in avtomatsko izpustil bombe. Nordenov namerilnik je bila ena izmed najbolj strogo varovanih skrivnosti 2. Svetovne vojne in so uničili kadar se je le dalo, da ne bi prišel v sovražnikove roke.
Na testiranju je Nordenov namerilnik dosegel CEP 23 metrov - radij v katerem naj bi padlo 50% bomb. To bi teoretično omogočalo natančno bombardiranje tovarn, ladij in drugih majhnih ciljev in bi zelo skrajšalo 2. Svetovno vojno.
V praksi je bil CEP precej slabši in sicer 370 metrov. Zato so uporabljali velike skupine bombnikov, mornarica pa je začela uporabljala strmoglavljeno (pikirajoče) bombardiranje. Vendar je bil Nordenov namerilnik še vedno nepogrešljiva naprava.
Glej tudi
- Bombni namerilnik
- Lotfernrohr 7 nemški ekvivalent
Sklici in reference
Bibliografija
- Stewart Halsey Ross: "Strategic Bombing by the United States in World War II"
- Albert L. Pardini: "The Legendary Norden Bombsight" ISBN 0-7643-0723-1, Schiffer Publishing, 1999.
- "Bombardier: A History", Turner Publishing, 1998
- "The Norden Bombsight
- "Bombing – Students' Manual"
- "Bombardier's Information File"
- Stephen McFarland: "America's Pursuit of Precision Bombing, 1910-1945"
- »Burroughs Corporation Records. Pasinski Family Papers, 1912-1984«. Charles Babbage Institute, University of Minnesota. Pasinski produced the prototype for the bombsight. He designed production tools and supervised production of the bombsight at Burroughs Corporation.
- Burroughs Corporation Records. World War II Era Records, 1931-1946, Charles Babbage Institute, University of Minnesota. Information on the Norden bombsight, which Burroughs produced beginning in 1942.
- John Correll, "Daylight Precision Bombing", Airforce Magazine, October 2008, pp. 60–64
- Don Sherman, "The Secret Weapon", Air & Space Magazine, February/March 1995
- Timothy Moy, "War Machines: transforming technologies in the U.S. military, 1920-1940", Texas A&M University Press, 2001
- Loyd Searle, "The Bombsight War: Norden vs. Sperry", IEEE Spectrum September 1989, pp. 60–64
- David Zimmerman, "Top Secret Exchange: the Tizard Mission and the Scientific War", McGill-Queen's Press, 1996
Zunanje povezave
- Flight 1945 Norden Bomb Sight
- How the Norden Bombsight Does Its Job by V. Torrey, June 1945 Popular Science
- "The Bombsight That Thinks." Popular Mechanics, February 1945, p. 7-10.
- Norden bombsight images and information from twinbeech.com
- Bombardier's Information File (March 1945)
- Norden Bombsight on YouTube