THE ARTEMIS PROJECT
PRIVATE ENTERPRISE ON THE MOON
Rocket Engine Specifications
Section 4.3.9.1.
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United Technologies Rocket Engines

Credits for providing information to Jim Glass
Boeing North American and Jane's Space

United Technologies

UNITED TECHNOLOGIES
Chemical Systems Division
P.O. Box 49028, San Jose, California
95161-9028
Tel: (408) 779-9121
Fax: (408) 778-4599

Orbus 21

First Flown1982 on the Titan 34D IUS
Number Flown17
ApplicationsIUS stage 1 motor, and Intelsat 6 perigee kick motor
Mass10,398 kg fully loaded
Length315 cm
Maximum Diameter233.7 cm
Propellant86% solids made up of HTPB UTP-19360A
Shapecylindrical
Mass Fraction0.902/0.914 with and without EEC fully loaded
Burn Time103 sec
Thrust80.95 kN in vacuum
Itotal8.14 MNsec
Isp303.5/289.1 sec in vacuum with and without EEC
Pressure57.1 atm maximum

Rocket Engine Specifications

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