Spacecraft Thrusters

Moog provides a wide range of chemical thrusters for several spacecraft applications, from attitude control systems (ACS) to orbit insertion to descent systems. Moog thrusters have been on spacecraft platforms for over four decades and the baseline for many current and future platforms.

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Monopropellant Thrusters

The MONARC line of monopropellant thrusters provide a simple and reliable propulsion solution and are particularly suited for ACS applications. Higher thrust engines can be used for main (delta V) engine applications or flight vehicle attitude control. These engines can be used in a monopropellant or dual mode system. Engines range from a nominal 0.2 lbf (1 N) to 100 lbf (445 N) and over 3000 have been delivered.

Missions: Galileo (ENSS), ORBCOMM Generation 2 (OG2), BepiColombo, MMS, Worldview, Landsat 8 (LDCM), GOES-R/S, LCROSS

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Bipropellant Thrusters

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Moog Columbium (C-103) 5 lbf (22N) bipropellant ACS thrusters have been the industry standard for over 30 years with more than 2000 delivered. The DST Platinum/Rhodium (Pt/Rh) 5 lbf (22N) bipropellant ACS thrusters offer industry leading performance in both steady state and pulse mode for both MMH and Hydrazine applications. Over 300 of these engines have been delivered. Moog engines are relied upon across the world for commercial, civil, and military applications.

Missions: 702HP Platform (including WGS and TDRS), 702MP Platform (including Intelsat), BepiColombo, GOES-R/S, LS1300 platform, DS2000 platform, Wild Geese & Tenacious

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Green Propellant Thrusters

Moog continues its strategy of strong investment in less toxic or “green” propulsion research and development, led by our materials expertise, our history of being on the cutting edge of in-space propulsion, and our ongoing investment in state-of-the-art assembly and test facilities. Our engineering team has supported green propulsion since the beginning with an active research program maturing green thruster technology. We have conducted this R&D both on our own and in cooperation with government partners like NASA and the Air Force Research Laboratory (AFRL). Our propulsion team worked with AFRL in the early development of the green monopropellant AF-M315E, and in 2009 received the first Advanced Monopropellant Risk Reduction (AMRR) contract to assist the Air Force in developing a catalyst for AF-M315E. More recently, AF-M315E has been rebranded as Advanced Spacecraft Energetic Non-Toxic (ASCENT) propellant. These programs are important because green propellants have technical challenges relating to higher combustion temperatures and more restrictive material compatibility. Often, that means more expensive hardware. Moog is leveraging its expertise in thermal management and high-performance thrusters to develop and supply components such as valves and tanks for use with green propellant, both conventionally and additively manufactured. Our teams are building thrusters in multiple thrust classes and even full propulsion systems for customers using green thrusters from manufacturers in the U.S. and Europe.

Cold Gas Thrusters

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Moog produces cold gas thrusters in a variety of thrust ranges to meet mission requirements. Typical thrusts range from 10mN to 4N. Moog cold gas thrusters have flown on SAFER, Spitzer Space Telescope, CHAMP, GRACE, and Pluto Fast Flyby.

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