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    MEPSI Micro Propulsion System: Features

    Uploaded by

    Ahmed Esmat
    Cubeast Micropropulsion System

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd

    MEPSI Micro Propulsion System: Features

    Uploaded by

    Ahmed Esmat
    58 views2 pages
    Cubeast Micropropulsion System

    Original Title

    Mepsi-micro-propulsion-system

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    © © All Rights Reserved

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    PDF, TXT or read online from Scribd

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    Cubeast Micropropulsion System

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    58 views2 pages

    MEPSI Micro Propulsion System: Features

    Uploaded by

    Ahmed Esmat
    Cubeast Micropropulsion System

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
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    MEPSI Micro Propulsion System XV0E10889-01

    The MEMS PicoSat Inspector (MEPSI) Micro-Pro-


    pulsion System (MiPS) is a cold gas propulsion
    system designed for 1U CubeSats.
    Using Chemically Etched Micro System

    SPACE
    (ChEMS™) technology, VACCO has produced a
    complete propulsion system including propellant
    storage, pressurization, distribution and thrusters.
    This simple, highly integrated design uses a self-
    pressurizing liquid propellant that is expelled as a
    gas.
    Capable of 23 N-Sec of total impulse with up to
    43,000 firings, MiPS brings true propulsion capa-
    bilities to micro-spacecraft for formation flying, atti-
    tude control and velocity change (delta-v).

    Features
    • Five thrusters for pitch, yaw, roll and delta-v • All-welded titanium construction
    • 53 mN thrust • Dry mass: 456 grams
    • Up to 43,000 minimum impulse firings • Integral pressure & temperature sensors
    • Redundant, frictionless valves

    Operating Parameters

    Max Operating Pressure .................................150 psia Minimum Impulse Bit................................ 0.53 mN-sec
    Proof Pressure ................................................225 psia Operating Voltage ...................................4.0 to 6.0 vdc
    Burst Pressure ................................................375 psia Tank Pressure Sensor Output ................0.5 to 3.5 vdc
    Thrust................................................... 53 mN @ 20ºC Gas Tank Pressure Sensor Output.........0.5 to 3.5 vdc
    Internal Leakage ..................... 3.6 scc/hr GN2 @ 20ºC Coil Resistance .................................. 5.3 +/- 0.5  coil
    External Leakage .........1.0 x 10 -6 scc/hr GN2 @ 20ºC Pull-in Voltage............................. 3.5 vdc max @ 20°C
    Operating Temperature........................... 0°C to +60°C Drop Out Voltage ......................... 1.0 vdc min @ 20°C
    Vibration..........................................................16 Grms Mass ................................................... 456 grams (dry)
    Cycle Life ............................................... 80,000 cycles

    Performance characteristics are based on customer requirements. As such, they are not representative of component capabilities or limitations.

    VACCO Industries | 10350 Vacco Street | South El Monte, CA 91733


    T: (626) 443-7121 | F: (626) 442-6943 | E: space@vacco.com | W: www.vacco.com
    A Subsidary of ESCO Technologies Inc.
    © VACCO Industries Rev 8/13
    Envelope Drawing XV0E10889-01

    Performance Characteristics
    Maneuver Thrusters

    +Yaw (+X AB
    -Yaw (-X) CD
    +Pitch (+Y) Roll 90° CW, then CD
    -Pitch (-Y) Roll 90° CW, then AB
    CW Roll AD
    CCW Roll CB
    Delta V (+Z) ABCD
    Delta V (-Z) E

    System Schematic

    VACCO Industries | 10350 Vacco Street | South El Monte, CA 91733


    T: (626) 443-7121 | F: (626) 442-6943 | E: space@vacco.com | W: www.vacco.com
    A Subsidary of ESCO Technologies Inc.
    © VACCO Industries Rev 8/13

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