Apollo Service Module & LM RCS Thruster
  • Reaction Control System (RCS) thruster as used in the Apollo Service Module and Lunar Module.
  • Manufactured by The Marquardt Corporation as Model R-4D.
  • Rated thrust of 100 pounds.
  • Assembly dated “3Q70” (third quarter of 1970) - at the time of the Apollo moon landings.

5.17 lbs. (2.33 kg)

RCS_R-4D_thruster_400

RCS_R-4D_nozzle_detail_200a

RCS_R-4D_nozzle_interface_200a

RCS_R-4D_valves_600

RCS_R-4D_nozzle_600

RCS_R-4D_attach_ring_600a

SM RCS thruster600

thrusters_comparison_600

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