BT-4 Bipropellant Thruster
IHI Aerospace
IHI Aerospace flight-proven 450N bipropellant thruster using Hydrazine/NTO with 326s Isp and 32,850s demonstrated total impulse life.
Technical specifications
- Propellant
- Hydrazine / NTO (bipropellant)
- Thrust
- 450 N
- Specific Impulse
- 326 s
- Fuel Inlet Pressure
- >1.69 MPa
- Oxidizer Inlet Pressure
- >1.62 MPa
- Demonstrated Life
- 32,850 s
- Heritage
- Flight proven
About
The IHI Aerospace BT-4 is a 450 N flight-proven bipropellant thruster using Hydrazine/NTO propellants. With a specific impulse of 326 s and 32,850 s demonstrated life, the BT-4 is IHI Aerospace’s primary large satellite apogee kick engine and main propulsion thruster. Requires fuel inlet pressure >1.69 MPa and oxidizer inlet pressure >1.62 MPa.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
