HBT-5 490N Bipropellant Thruster
IHI Aerospace
Flight-proven 478N MMH/MON3 bipropellant thruster developed for the H-II Transfer Vehicle (HTV), with 316s specific impulse.
Technical specifications
- Propellant
- MMH / MON3
- Thrust
- 478 N
- Specific Impulse
- 316 s
- Inlet Pressure
- 1.72 MPa
- Demonstrated Life
- 15,000 s
- Status
- Flight proven
About
The HBT-5 is IHI Aerospace’s 490N-class bipropellant thruster using monomethylhydrazine (MMH) and MON3 propellants, developed for the H-II Transfer Vehicle (HTV) resupply spacecraft. The HTV propulsion system uses four HBT-5 main thrusters and fully meets ISS safety requirements. Flight-proven with a demonstrated life of 15,000 seconds.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
