22 N HPGP Thruster
ECAPS
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The 1 N HPGP thruster is TRL 9 and the best in its class. Today there are over 100 units in space on 25+ satellites. This enables high thrust apogee, reaction control and proximity operations maneuvering for satellites.
The thruster operates on LMP-103S low-toxicity monopropellant with 1.3X the density-Isp of hydrazine. Additionally, LMP-103S offers up to 72%(1) cheaper spacecraft loading as compared to hydrazine, reducing the total life-cycle cost of the mission. The Propellant is long term storable (>15 years) and enables "fuel at the factory" for rapid response satellites.
Over 25 satellites are presently flying the 1 N HPGP thruster (+100 units in space, and +160 additional delivd to customers).
Mechanical Interface:
| Parameter | Value |
|---|---|
| Thrust Range | 0.25 to 1 N |
| Propellant | LMP-103S |
| Mass | 0.39 Kg |
| Length | 178 mm |
| Flow Control Valve Type | Solenoid |
| Pull-in Voltage | 28 (+/- 4) VDC |
| Holding Voltage | 10 (+/- 1) VDC |
| Nominal Reactor Pre-heating Voltage | 28 VDC |
| Regulated Reactor Pre-heating Power | 12 W |
| Minimum Impulse Bit | < 30 mNs |
| Pulses | 60,000 (qualification level) |
| Propellant Throughput | 24 Kg (qualification level) |
| Longest Continuous Firing Time | 45 minutes (qualification level) |
| Accumulated Firing Time | 25 hrs (qualification level) |
| Firing Sequences | 1500 (qualification level) |
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