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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]
Sea Gem was the first British jack-up oil rig and made the first British discovery of natural gas in September 1965, although the find was too small to be commercially profitable. It is also known for its sinking off the coast of Lincolnshire on 27 December 1965 resulting in 13 fatalities.
Cakile maritima - MHNT. Cakile maritima, sea rocket (Britain and Ireland) [3] or European searocket (North America), is a common plant in the mustard family Brassicaceae. It is widespread in Europe, North Africa and western Asia, especially on coastlines.
The Sea Dragon was a 1962 conceptualized design study for a two-stage sea-launched orbital super heavy-lift launch vehicle. The project was led by Robert Truax while working at Aerojet , one of a number of designs he created that were to be launched by floating the rocket in the ocean.
Engine Origin Designer Vehicle Status Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [e] Oxidiser: fuel ratio
Cakile is a genus within the flowering plant family Brassicaceae.Species in this genus are commonly known as searockets, though this name on its own is applied particularly to whatever member of the species is native or most common in the region concerned, the European searocket Cakile maritima in Europe, and the American searocket C. edentula in North America.
It is powered by GEM-22 Graphite-Epoxy Motor. [5] There is a 14-inch (360 mm) interstage adapter between the Terrier and Oriole systems, which allows for drag separation following Terrier burnout. The Oriole stage uses four fins in a cruciform configuration, which are canted in order to provide a spin rate of four revolutions per second upon ...
The AJ-60A rocket motor was developed between 1999 and 2003 for use on the Atlas V. [2] On January 19, 2006 the New Horizons spacecraft to Pluto was launched directly into a solar-escape trajectory at 16.26 kilometers per second (58,536 km/h; 36,373 mph) from Cape Canaveral using an Atlas V version with 5 of these SRBs and Star 48B third stage. [3]