11/13/2023 0 Comments Draco dragon sketchIts primary purpose is for SpaceX's LAS (launch abort system) on the Dragon spacecraft. This high-thrust hypergolic engine-about 200 times larger than the Draco RCS thruster hypergolic engine-offers deep throttling ability and just like the Draco thruster, has multiple restart capability and uses the same shared hypergolic propellants. On FebruSpaceX announced that it had completed the development of a new, more powerful storable-propellant rocket engine, this one called SuperDraco. Sixteen Draco thrusters are used on the Dragon spacecraft for attitude control and maneuvering. The Draco thrust is comparable to the Marquardt R-4D engine developed for the Apollo Service and Lunar Modules in the 1960s and used for apogee/perigee maneuvers, orbit adjustment, and attitude control. Draco ĭraco thrusters generate 400 newtons (90 pounds-force) of thrust using a storable propellant mixture of monomethyl hydrazine fuel and nitrogen tetroxide oxidizer. SuperDraco engines are being used on the Crew Dragon spacecraft to provide launch-escape capability in case of a failure in the launch vehicle.ĭraco and SuperDraco combine the functions of a reaction control system and main propulsive engine. SuperDraco uses the same storable (non-cryogenic) hypergolic propellant as the small Draco thrusters, but is much larger and delivers over 100 times the thrust. The original Draco thruster is a small rocket engine for use on the Dragon spacecraft. Two engine types have been built to date: Draco and SuperDraco. ![]() The SpaceX Draco is a hypergolic liquid rocket engine designed and built by SpaceX for use in their space capsules. ![]() A SpaceX Dragon spacecraft approaching the International Space Station fires one of its 16 Draco thrusters.
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