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Rocket Motor, Liquid Fuel, Apollo Service Module Reaction Control System (RCS)

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Display Status:

This object is on display in the Rockets and Missiles exhibition at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Collection Item Summary:

This is an Apollo Reaction Control System (RCS) rocket motor, or thruster. The RCS maintained the attitude of the Apollo Service Module and helped it to maneuver in space, undertake minor midcourse velocity corrections, abort separations, and make emergency attitude maneuvers. It produced 100 pounds of thrust and could be fired in spurts or steady thrusts as needed. RCS thrusters were mounted in groups of four in boxes called "quads."

RCS thrusters were used throughout the Apollo program from 1968 to 1972, on Skylab 1 in 1973, and in the Apollo-Soyuz Test Project mission in 1975. This object was donated to the Smithsonian in 1986 by The Marquardt Corp.

Collection Item Long Description:

Data Source

National Air and Space Museum

Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Manufacturer

The Marquardt Corporation

Credit Line

Gift of The Marquardt Corporation

Materials

Overall, metal, probably steel and aluminum; wires, with plastic insulation

Dimensions

Overall: 1 ft. 2 in. long x 5 5/8 in. diameter, 5 lb. (35.56 x 14.22cm, 2.3kg)

See more items in

National Air and Space Museum Collection

Country of Origin

United States of America

Type

PROPULSION-Rocket Engines

Inventory Number

A19860037000