what kind of engine did Artimus 1 use and how does it work on earth and around the moon?
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4 rs25 engines from the space shuttle and 2 solid rocket boosters. It works by shooting stuff in one direction, giving you the same force in the opposite direction.
Hi, retired NASA manager for Atlantis here! Let’s break it down:
Artemis used two solid rocket boosters, filled with five segments of combustible material to provide an enormous amount of thrust. This was augmented by four flight proven RS -25 Space Shuttle main engines, with new hardware controllers to allow them to run at 109% of rated thrust, vs 194% during shuttle.
On the actual Orion Space Craft, they are used what was called an OMS engine on the Space Huttle (Orbital maneuvering System). This engine is as simple as it gets. It uses an inert gas (Helium) to force two materials together than ignite on contact, coming out of the bell housing and producing thrust.
The actual Orion spacecraft itself uses an Aerojet AJ10-190 engine. This is the same engine used on the space shuttle OMS system except the shuttle had 2 engines and the Orion only has 1. It’s pretty simple – the engine uses pressurized helium to force 2 different liquids into the combustion chamber. The liquids ignite on contact and the hot gas pushes out of the engine to produce thrust. It can be started and stopped many times.
The SLS rocket has 2 stages and 2 solid rocket boosters. The solid rocket boosters use solid propellant that burns to provide thrust, and the first stage uses 4 RS-25 engines (the RS-25 engines were also used on the space shuttle) and the second stage uses a single RL-10B-2 engine. Both the The RS-25 and the RL-10 engines burn liquid hydrogen and liquid oxygen to provide thrust.
The Space Launch System (SLS) uses a core stage at liftoff of four RS-25 engines and two solid rocket boosters (SRB), all of which are derived from basically the same things built for the Space Shuttle (only differences are that the Space Shuttle only had 3 RS-25 engines, and the SRBs on SLS are larger). The RS-25’s run on liquid hydrogen and liquid oxygen, whereas the SRBs get most of their thrust from the combustion of ammonium perchlorate and aluminum powder.
The Orion capsule uses hypergolic propellants (i.e. fuels and oxidizers that react on contact with each other), so probably dinitrogen tetroxide and some flavor of hydrazine. Again, hypergolic propellants have been inspired by similar systems on the Space Shuttle, and hypergolics have actually been in use for spaceflight for decades.
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