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A rocket is a spacecraft, aircraft, vehicle or projectile that obtains thrust from a rocket engine. Rocket engine exhaust is formed entirely from propellant carried within the rocket. Rocket engines work by action and reaction and push rockets forward simply by expelling their exhaust in the opposite direction at high speed, and can therefore work in the vacuum of space.
A hybrid-propellant rocket is a rocket with a rocket motor that uses rocket propellants in two different phases: one solid and the other either gas or liquid. The hybrid rocket concept can be traced back to at least the 1930s.
Hybrid may refer to:
A liquid-propellant rocket or liquid rocket utilizes a rocket engine that uses liquid propellants. Liquids are desirable because they have a reasonably high density and high specific impulse (Isp). This allows the volume of the propellant tanks to be relatively low. It is also possible to use lightweight centrifugal turbopumps to pump the rocket propellant from the tanks into the combustion chamber, which means that the propellants can be kept under low pressure. This permits the use of low-mass propellant tanks that do not need to resist the high pressures needed to store significant amounts of gasses, resulting in a low mass ratio for the rocket.
Hydroxyl-terminated polybutadiene (HTPB) is an oligomer of butadiene terminated at each end with a hydroxyl functional group. It reacts with isocyanates to form polyurethane polymers.
The Norwegian Space Agency (NOSA) is a Norwegian government agency that follows up Norway's public space activities. In brief, NOSA's goal is to ensure that Norway benefits from any space activity in which the Norway engages in.
High-power rocketry is a hobby similar to model rocketry. The major difference is that higher impulse range motors are used. The National Fire Protection Association (NFPA) definition of a high-power rocket is one that has a total weight of more than 1,500 grams (3.3 lb) and contains a motor or motors containing more than 125 grams (4.4 oz) of propellant and/or rated at more than 160 Newton-seconds of total impulse, or that uses a motor with an average thrust of 80 newtons (18 lbf) or more.
Rotring is a former German manufacturing company of technical drawing tools and writing implements. Established in 1928 as a fountain pen manufacturer, Rotring is currently a brand owned by Newell Brands after its acquisition in 1998. The name "Rotring" directly translates to "red ring" which is still placed around the barrel of their pens today. The company's name was changed to Rotring in the early 1970s to match the trademark.
Amateur rocketry, sometimes known as experimental rocketry or amateur experimental rocketry, is a hobby in which participants experiment with fuels and make their own rocket motors, launching a wide variety of types and sizes of rockets. Amateur rocketeers have been responsible for significant research into hybrid rocket motors, and have built and flown a variety of solid, liquid, and hybrid propellant motors.
Barbarella may refer to:
"Electric Barbarella" is the 29th single by Duran Duran, and the first official single from the album Medazzaland. In 1997, the single and album were released only in the United States; "Electric Barbarella" was not issued as a single in the UK until January 1999 on the back of the late 1998 release of the compilation album Greatest.
Copenhagen Suborbitals is an amateur crowd-funded, open source human space programme. Since its beginning in 2008, Copenhagen Suborbitals has flown five home-built rockets and two mock-up space capsules. Their stated goal is to have one of the members fly into space, on a sub-orbital spaceflight, in a space capsule on the Spica rocket. The organisation was founded by Kristian von Bengtson and by Peter Madsen, who was convicted of the murder of Kim Wall in 2017. Peter Madsen was excluded from Copenhagen Suborbitals in 2014. The organization successfully launched its Nexø II rocket in summer 2018.
HEAT 1X Tycho Brahe was the first rocket and spacecraft combination built by Copenhagen Suborbitals, a Danish organization attempting to perform the first amateur suborbital human spaceflight. The vehicle consisted of a motor named HEAT-1X and a spacecraft Tycho Brahe. Its launch location was a floating platform named Sputnik. The rocket was test launched twice: In 2010 a power shortage caused a valve to freeze shut, which prevented launch. In 2011 the rocket was successfully launched, reaching an altitude of 2.8 kilometres (1.7 mi) before the engine was remotely shut off due to a wrong trajectory.
Andøya Space, also named Andøya Space Center and formerly Andøya Rocket Range, is a rocket launch site, rocket range, and spaceport on Andøya island in Andøy Municipality in Nordland county, Norway. Since 1962, over 1,200 sounding and sub-orbital rockets of various configurations have been launched from the site.
Rocket propellant is the reaction mass of a rocket. This reaction mass is ejected at the highest achievable velocity from a rocket engine to produce thrust. The energy required can either come from the propellants themselves, as with a chemical rocket, or from an external source, as with ion engines.
The BMW i is a sub-brand of BMW founded in 2011 to design and manufacture plug-in electric vehicles. The company initially released two vehicles: the i3 all-electric car and the i8 plug-in hybrid. The all-electric iX3 SUV was released in late 2020, while iX SUV and the i4 all-electric liftback sedan followed later in 2021.
The Scientific Workgroup for Rocketry and Spaceflight (WARR) is a scientific workgroup situated at Technical University of Munich, composed mainly of its students. It was founded by students in 1962 with the goal to compensate for the lack of a chair for space technology at the university at the time. Since the establishment of such a chair in 1966, the group has conducted practical projects, starting with the first successful development and of a hybrid rocket in Germany. One rocket of this type was launched in 1972, another is on permanent display at Deutsches Museum. WARR has attained some public attention by for its projects in space elevator competitions, small satellites interstellar spaceflight concepts, and for winning all SpaceX Hyperloop pod competitions.
Gilmour Space Technologies is a venture-funded Australian space company headquartered in Queensland, Australia that is developing hybrid-engine rockets and associated technology to support the development of a low-cost space launch vehicle.
Isar Aerospace is a German aerospace company based in Munich, Germany. The company was founded in 2018. The company is named after the river that flows through Munich.
BluShift Aerospace is an employee-owned American aerospace firm based in Brunswick, Maine. Targeting the growing smallsat and cubesat launch markets, bluShift is developing suborbital sounding rockets and small-lift orbital rockets which will be launched from a proposed new spaceport in Maine. The company has received primary funding from NASAs SBIR grant program, the National Science Foundations I-Corps grant program, the Maine Technology Institute, and the Maine Space Grant Consortium. The company has active operations at the former Brunswick Naval Air Station and Loring Air Force Base.
References
- ↑ Radio interview Robert Schmucker - Bayern 3 Mensch Otto! - Mensch Theile!, September 6, 2017 1pm
