North American XB-70 Valkyrie

**North American XB-70 Valkyrie** adalah pesawat supersonik sayap delta bermesin enam besar bisa terbang Mach 3 + pada ketinggian 70.000 kaki (21.000 m), yang akan memungkinkan untuk menghindari dari pesawat pencegat, yang hanya efektif dengan senjata anti- bomber pada saat itu. Dirancang oleh North American Aviation pada tahun 1950-an .

## Spesifikasi (XB-70A)

### Karakteristik umum
* Kru: 2
* Panjang: 189&nbsp;ft 0 in (57,6 m)
* Lebar sayap: 105&nbsp;ft 0 in (32 m)
* Tinggi: 30&nbsp;ft 0 in (9,1 m)
* Area sayap: 6297&nbsp;ft ² (585 m²)
* Airfoil: Hexagonal; 0.30 Hex akar dimodifikasi, 0.70 Hex tip diubah
* Berat kosong: £ 253.600 (115.030&nbsp;kg; operasi berat kosong )
* Loaded berat: £ 534.700 (242.500&nbsp;kg)
* Max. berat lepas landas: £ 542.000 (246.000&nbsp;kg)
* Powerplant: 6 × General Electric YJ93 -GE-3 afterburning turbojet
* Dorong kering: 19.900&nbsp;lbf [ 74 ] (84&nbsp;kN) masing-masing
* Dorong dengan afterburner: 28.800&nbsp;lbf [ 75 ] (128&nbsp;kN) masing-masing
* Kapasitas bahan bakar internal: £ 300.000 (136.100&nbsp;kg) atau 46.745 US galon (177.000 L)
### Prestasi
* Kecepatan maksimum: Mach 3.1 (2,056&nbsp;mph, 3.309&nbsp;km / jam)
* Cruise speed: Mach 3,0 (2.000&nbsp;mph, 3.200&nbsp;km / jam)
* Rentang: 3.725&nbsp;nm (4.288 mil, 6.900&nbsp;km) dari misi tempur
* Layanan langit-langit: 77.350&nbsp;ft (23.600 m)
* Loading sayap: £ 84,93 / ft ² (414,7&nbsp;kg / m²)
* angkat-to-tarik: sekitar 6 dengan kecepatan Mach 2 [ 108 ]
* Thrust / weight: 0,314

## Referensi

* Conway, Erik M. ''High-speed Dreams: NASA and the Technopolitics of Supersonic Transportation, 1945–1999''. Baltimore: Johns Hopkins University Press, 2005. ISBN 0-8018-8067-X.
* "Fundamentals of Aerospace Weapon Systems". *Air University*, Maxwell AFB, May 1961.
* Greenwood, John T. (ed). *Milestones of Aviation: [[National Air and Space Museum]]*. Westport, Connecticut: Hugh Lauter Levin Associates, Inc., 1995 (first published: 1989). ISBN 0-88363-661-1.
* Hannah, Craig. ''Striving for Air Superiority: The Tactical Air Command in Vietnam.'' College Station, Texas: Texas A&M University Press, 2002, First edition 2001. ISBN 978-1-58544-146-4
* Heppenheimer, T. A. "Facing the Heat Barrier: A History of Hypersonics, part 1'', "part 2." *NASA,* NASA History Series, 2006. Retrieved: 6 April 2009.
* Jenkins, Dennis R. *B-1 Lancer, The Most Complicated Warplane Ever Developed*. New York: McGraw-Hill, 1999. ISBN 0-07-134694-5.
* Jenkins, Dennis R. ''Lockheed SR-71/YF-12 Blackbirds'' (WarbirdTech Series, Volume 10). North Branch, Minnesota: Specialty Press, 1997. ISBN 0-933424-85-X.
* Jenkins, Dennis R. and Tony R. Landis. *North American XB-70A Valkyrie* WarbirdTech Volume 34. North Branch, Minnesota: Specialty Press, 2002. ISBN 1-58007-056-6.
* Jenkins, Dennis R. and Tony R. Landis. *Valkyrie: North American's Mach 3 Superbomber*. North Branch, Minnesota: Specialty Press, 2005. ISBN 1-58007-072-8.
* Lang, Walt N. United States Military Almanac. New York: Random House, 1989. ISBN 0-517-16092-7.
* Knaack, Marcelle Size. ''Post-World War II bombers, 1945–1973.''  Washington, D.C.: Office of Air Force History, 1988. ISBN 0-16-002260-6.
* Koenig, William and Peter Scofield. ''Soviet Military Power.'' London: Arms and Armour Press, 1983. ISBN 978-0-85368-592-0.
* Machat, Mike. "XB-70 Valkyrie: Rollout and First Flights, May 1964 – June 1966." *Wings* Volume 35, No. 8, August 2005.
* Miller, Jay. *Convair B-58 Hustler* (Aerograph 4). Tulsa, Oklahoma: Aerofax, 1985. ISBN 978-0-942548-26-6.
* Moon, Howard. *Soviet SST: The Techno-Politics Of The Tupolev-144*. Westminster, Maryland: Orion Books, 1989. ISBN 978-0-517-56601-5.
* Pedlow, Gregory W. and Donald E. Welzenbach. "Chapter 6: The U-2's Intended Successor: Project Oxcart, 1956–1968." *The Central Intelligence Agency and Overhead Reconnaissance: The U-2 and OXCART Programs, 1954–1974.* Washington, D.C.: Central Intelligence Agency, 1992. No ISBN.
* Pace, Steve. *North American XB-70 Valkyrie*, second edition. Blue Ridge Summit, Pennsylvania: TAB Books, 1990. ISBN 0-8306-8620-7.
* Pace, Steve. "Triplesonic Twosome". *Wings* Volume 18, No. 1, February 1988.
* Rees, Ed. "The Furor Over Fantastic Plane." *Life*, 17 October 1960, pp.&nbsp;125–126.
* Spick, Mike. *Modern Fighting Aircraft: B-1B*. New York: Prentice Hall, 1986. ISBN 0-13-055237-2.
* Taube, L.J., Study Manager. "SD 72-SH-0003, B-70 Aircraft Study Final Report, Vol. I." North American Rockwell via NASA, April 1972: Vol. II: Vol. III: Vol. IV.
* von Braun Wernher (Estate of), Frederick I. Ordway III and David Jr. Dooling. *Space Travel: A History*. New York: Harper & Row, 1985, first edition, 1975. ISBN 0-06-181898-4.
* Winchester, Jim. "North American XB-70 Valkyrie". *Concept Aircraft: Prototypes, X-Planes and Experimental Aircraft*. Kent, UK: Grange Books plc., 2005. ISBN 978-1-84013-809-2.
* York, Herbert Jr. ''Race to Oblivion: A Participant's View of the Arms Race''.  New York: Simon & Schuster, 1978. ISBN 0-06-181898-4.

## Pranala luar

* 
* 
* North American XB-70A, XB-70A Construction pages on National Museum of the USAF site
* NASA/DFRC photos and videos 
* North American XB-70A Valkyrie presentation 1965 on youtube.com