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Reaction control systems are capable of providing small amounts of thrust in any desired direction or combination of directions. An RCS is also capable of providing torque to allow control of rotation (roll, pitch, and yaw). [2] Reaction control systems often use combinations of large and small thrusters, to allow different levels of response.
The original Soyuz had a separated orbital correction system from its orientation system. The latter, integrated a reaction control system called DPO and the attitude control system, called DO. The KTDU-35 had a main orbit correction engine SKD, the S5.60 and a backup orbital correction engine DKD, the S5.35.
The R-4D is a small hypergolic rocket engine, originally designed by Marquardt Corporation for use as a reaction control system thruster on vehicles of the Apollo crewed Moon landing program. Aerojet Rocketdyne manufactures and markets modern versions of the R-4D. [1]
Bell designed and built the Reaction Control system for Project Mercury's Redstone command module and a similar system was incorporated into the North American X-15 spaceplane. NASA selected Bell to develop and built the Lunar Landing Research Vehicle (LLRV) , three of which were built in the early 1960s to train the Apollo astronauts to land ...
A small reaction wheel viewed in profile A momentum/reaction wheel comprising part of a high-accuracy Conical Earth Sensor to maintain a satellite's precise attitude. A reaction wheel (RW) is an electric motor attached to a flywheel, which, when its rotation speed is changed, causes a counter-rotation proportionately through conservation of angular momentum. [1]
Depending on the design of a craft's maneuvering and stability systems, it may simply be a smaller thruster complementing the main propulsion system, [1] or it may complement larger attitude control thrusters, [2] or may be a part of the reaction control system.
Gemini Orbit Attitude and Maneuvering System location. The Orbit Attitude and Maneuvering System (OAMS) was a reaction control system used in Earth orbit by the Project Gemini spacecraft. It provided both automatic and manual rotation and translation by means of 16 vernier thrusters using hypergolic propellants.
Cruise control, a system that maintains the speed of a vehicle Autonomous cruise control system, a cruise control system that uses radar or laser input to detect its surroundings; Environmental control system (aircraft), which controls environmental factors within an aircraft; Reaction control system of a spacecraft, assisting in attitude ...