US-Canada ballistics research project famous for its extremely large gun
Not to be confused with HAARP, the High Frequency Active Auroral Research Program.
This article is about the space launch gun research project. For other projects, see Harp (disambiguation).
Project HARP, short for High Altitude Research Project, was a joint venture of the United States Department of Defense and Canada's Department of National Defence created with the goal of studying ballistics of re-entry vehicles and collecting upper atmospheric data for research. Unlike conventional space launching methods that rely on rockets, HARP instead used very large guns to fire projectiles into the atmosphere at extremely high speeds.[1][2]
A 16-inch (41 cm) HARP gun operated by the U.S. Army's Ballistic Research Laboratory (now called the U.S. Army Research Laboratory) at Yuma Proving Ground currently holds the world record for the highest altitude, 180 km (110 mi), that a gun-fired projectile has achieved.[3][4]
^Hanson, Joe (July 8, 2013). "Science Goes Ballistic: 8 Guns for Hunting Knowledge". Wired. Retrieved February 11, 2020.
^Graf, Richard. "A Brief History of the HARP Project". Encyclopedia Astronautica. Archived from the original on August 20, 2016. Retrieved February 11, 2020.
^Sterling, Bruce (September 1992). "Think of the Prestige". The Magazine of Fantasy and Science Fiction. Retrieved February 11, 2020.
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orbiting satellites.[citation needed] In ProjectHARP, a 1960s joint United States and Canada defence project, a U.S. Navy 410 mm (16 in) 100 caliber gun...
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rockets. They arranged funding for the work under ProjectHARP (for High Altitude Research Project, not to be confused with HAARP). The US Navy supplied...
of rockets to insert payloads into orbit. He lobbied for the start of ProjectHARP to investigate this concept in the 1960s, using paired ex-US Navy 16"/50...
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Charles H. (1988). Paris Kanonen: The Paris Guns (Wilhelmgeschutze) and ProjectHARP. Herford: E. S. Mittler. ISBN 3-8132-0304-2. Ley, Willy (December 1961)...
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still moving at supersonic speed. Scramjet projectiles were tested in ProjectHARP in the 1960s.[citation needed] The chief advantage of a ram accelerator...
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notable scientific milestones. These include the following: ProjectHARP: A joint project between the U.S. Army and the Canadian military during the 1960s...
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became the initial base of a 'High Altitude Research Project' known as ProjectHARP. ProjectHARP was jointly sponsored by McGill University in Canada...
Leslie (1962). Now it Can be Told: The Story of the Manhattan Project. New York: Harper & Row. ISBN 0-306-70738-1. OCLC 537684. Libby, Leona Marshall...
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