Back to the Purdue AAE Propulsion main page.
Back to the Satellite Propulsion page.
MRE-1 Monopropellant Thruster
The MRE-1 is the NASA standard 5-newton thruster. As the workhorse thruster
for much of TRW's spacecraft fleet, MRE-1 has successfully performed
attitude control duties on the Pioneer 10 and 11 mission to the outer
planets and beyond the solar system, the highly acclaimed High Energy
Astronomy Observatory trio of pointing and scanning missions to
observe the X-ray universe, and heavy duty FltSatCom and Tracking
and Data Relay Satellite three-axis stabilized geosynchronous
communications satellites - while establishing new longevity records.
Engine statistics
Specification |
|
Propellants |
N2H4 |
Total Impulse |
260,000 lbf-sec |
Propellant Throughput |
1,200 lbm |
Total Pulses |
458,000 |
Total Demonstrated Firing Time |
90 hr |
Bed Ambient, Pulses |
261,196 |
Maximum Single-Burn Duration |
11,200 sec |
Minimum Single-Burn Duration |
0.02 sec |
Random Vibration |
21g rms |
Inlet Pressure |
565-80 psia |
Weight (Dual Thruster Module) |
1.8 lbm |