MONOPROPELLANT

ALPHARD FAMILY

Monopropellant Hydrogen Peroxide propulsion systems for small satellites, deployers, and OTVs.

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MAIN FEATURES

ALPHARD-10

ALPHARD-10-HP

ALPHARD-20

ALPHARD-20-HP

ALPHARD-200
Propellant * HTP  90 w% HTP  90 w% HTP  90 w% HTP  90 w% HTP  90 w%
Thrust Range [N] 5.3 – 12.7 5.3 – 19.7 10 – 22.6 10 – 34 100 – 230
Inlet Pressure Range [bar] 10 – 28 10 – 50 10 – 28 10 – 50 10 – 27
MEOP [bar] 28 50 28 50 27
SS Isp Average (vacuum) [s] 160 160 160 160 160
MIB Range [Ns] 0.10 – 0.22 0.10 – 0.33 0.15 – 0.34 0.15 – 0.51 6.8 – 25
Valve Type Solenoid Solenoid Solenoid Solenoid Valve currently not available
Valve Consumption [W] 18 Peak
1.8 Hold		 80 Peak
8 Hold		 18 Peak
1.8 Hold		 80 Peak
8 Hold
Demonstrated Life
Pulses 4000 4000 4000 4000 1600
Total Impulse [Ns] 56505 56505 113011 113011 100000
Accumulated Firing Time [s] 6000 6000 6000 6000 500

* Customizable up to 95 w%
** Customizable expansion ratio. Scarfed and canted nozzle options available.

ALPHARD-10

Propellant * HTP  90 w%
Thrust Class [N] 10
Operational Mode Δv+RCS
Inlet Pressure Range [bar] 10 – 28
MEOP [bar] 28
Thrust Range [N] 5.3 – 12.7
Nozzle Expansion Ratio ** 60:1
SS Isp Average (vacuum) [s] 160
MIB Range [Ns] 0.1 – 0.22
Overall Lenght [mm] 170
Maximum Diameter [mm] 60
Mass [kg] 0.332
FCV Type Solenoid
Control Routine Peak & Hold
Demonstrated Life  
Pulses 4000
Total Impulse [Ns] 56505.6
Accumulated Firing Time [s] 6000

* Customizable up to 95 w%
** Customizable expansion ratio. Scarfed and canted nozzle options available.

ALPHARD-10-HP

Propellant * HTP  90 w%
Thrust Class [N] 10
Operational Mode Δv+RCS
Inlet Pressure Range [bar] 10 – 50
MEOP [bar] 50
Thrust Range [N] 5.3 – 19.7
Nozzle Expansion Ratio ** 60:1
SS Isp Average (vacuum) [s] 160
MIB Range [Ns] 0.1 – 0.33
Overall Lenght [mm] 170
Maximum Diameter [mm] 60
Mass [kg] 0.332
FCV Type Solenoid
Control Routine Peak & Hold
Demonstrated Life  
Pulses 4000
Total Impulse [Ns] 56505.6
Accumulated Firing Time [s] 6000

* Customizable up to 95 w%
** Customizable expansion ratio. Scarfed and canted nozzle options available.

ALPHARD-20

Propellant * HTP  90 w%
Thrust Class [N] 20
Operational Mode Δv+RCS
Inlet Pressure Range [bar] 10 – 28
MEOP [bar] 28
Thrust Range [N] 10 – 22.6
Nozzle Expansion Ratio ** 60:1
SS Isp Average (vacuum) [s] 160
MIB Range [Ns] 0.15 – 0.34
Overall Lenght [mm] 198
Maximum Diameter [mm] 60
Mass [kg] 0.58
FCV Type Solenoid
Control Routine Peak & Hold
Demonstrated Life  
Pulses 4000
Total Impulse [Ns] 113011.2
Accumulated Firing Time [s] 6000

* Customizable up to 95 w%
** Customizable expansion ratio. Scarfed and canted nozzle options available.

ALPHARD-20-HP

Propellant * HTP  90 w%
Thrust Class [N] 20
Operational Mode Δv+RCS
Inlet Pressure Range [bar] 10 – 50
MEOP [bar] 50
Thrust Range [N] 10 – 34
Nozzle Expansion Ratio ** 60:1
SS Isp Average (vacuum) [s] 160
MIB Range [Ns] 0.15 – 0.51
Overall Lenght [mm] 198
Maximum Diameter [mm] 60
Mass [kg] 0.58
FCV Type Solenoid
Control Routine Peak & Hold
Demonstrated Life  
Pulses 4000
Total Impulse [Ns] 113011.2
Accumulated Firing Time [s] 6000

* Customizable up to 95 w%
** Customizable expansion ratio. Scarfed and canted nozzle options available.

ALPHARD-200

Propellant * HTP  90 w%
Thrust Class [N] 200
Operational Mode Δv+RCS
Inlet Pressure Range [bar] 10 – 27
MEOP [bar] 27
Thrust Range [N] 100 – 230
Nozzle Expansion Ratio ** 60:1
SS Isp Average (vacuum) [s] 160
MIB Range [Ns] 6.8 – 25
Overall Lenght [mm] 280
(without FCV)
Maximum Diameter [mm] 90
(without FCV)
Mass [kg] 1.2 (without FCV)
FCV Type Valve currently not available
Control Routine
Demonstrated Life  
Pulses 1600
Total Impulse [Ns] 100000
Accumulated Firing Time [s] 500

* Customizable up to 95 w%
** Customizable expansion ratio. Scarfed and canted nozzle options available.

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ALPHARD monopropellant propulsion systems to cover small satellites multiple needs.

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