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Estes Industries was founded by Vernon Estes in 1958; in 1961, the company moved to a 77-acre tract of land on the outskirts of Penrose, Colorado. [10] [1] In 1969, Vernon sold the company to the Damon Corporation of Needham, Massachusetts, a company which also purchased a number of other hobby companies including a smaller competitor of Estes, Centuri Engineering of Phoenix, Arizona.
The designation for a specific motor looks like C6-3.In this example, the letter (C) represents the total impulse range of the motor, the number (6) before the dash represents the average thrust in newtons, and the number (3) after the dash represents the delay in seconds from propelling charge burnout to the firing of the ejection charge (a gas generator composition, usually black powder ...
The Astrocam 110 (or Astrocam) is a model rocket with a built-in camera for taking aerial photographs. An Astrocam ready to launch. The Astrocam was introduced in the 1979 Catalog by its manufacturer Estes and it can be flown with B6-4 and C6-7 model rocket motors (see Model rocket motor classification). The Astrocam was available as kit, or as ...
Reloadable rocket motors are specified in the same manner as single-use model rocket motors as described above. However, they have an additional designation that specifies both the diameter and maximum total impulse of the motor casing in the form of diameter/impulse. After that, there is a series of letters indicating the propellant type.
Cox's first contribution to that growing hobby was a cast aluminum midget racer powered by a .09 and .15 engine by Cameron Brothers of Chino, California. Cox Manufacturing enjoyed a large postwar growth due in part to its production of miniature model internal combustion engines and control line model aircraft , finally moving to a new factory ...
The Graphite-Epoxy Motor (GEM) is a family of solid rocket boosters developed in the late 1980s and used since 1990. GEM motors are manufactured with carbon-fibre-reinforced polymer casings and a fuel consisting of HTPB-bound ammonium perchlorate composite propellant. GEM is produced by Northrop Grumman Space Systems. [1]
Oracle is the name of a model rocket with built-in digital camera, manufactured by Estes Industries, for aerial photography. In contrast to the camera rocket Astrocam, the Oracle allows the making of a complete film of a rocket flight. The Oracle is best flown with a D12 engine (see Estes number coding), but can be flown with C11 engines.
The launch of Sputnik in 1957 and the space race to the moon made model rocketry a popular hobby. Model Rocketry magazine was started at the height of the Apollo program. Each issue had plans and instructions for constructing rockets typically powered by black powder rocket motors such as those made by Estes Industries. There were also ...