12U Dispenser

The 12U dispenser is Terran’s latest dispenser design, holding a single 12U spacecraft, care was taken to provide as much isolation from launch loads as possible. The design also allows significant protrusions from the Z face of the spacecraft.

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Specifications

Dispenser Mass Sheet Metal Cover w/Door (kg)

9.3

Dispenser Mass Sheet Metal Cover wo/Door (kg)

9.1

Dispenser Mass CNC Covers w/Door (kg)

10.2

Dispenser Mass CNC Covers wo/Door (kg)

9.9

Maximum Payload Mass (kg)

25

Payload Ejection Energy (J)

26.6 – 2 Springs

Approximate Deployment Velocity (m/sec)

1 to 2

Door Open Angle (deg)

105

Maximum Expected Tipoff Rates (deg/sec/axis)

2 to 10 (Dependent on payload mass properties and deployment velocity)

Temperature Limits (°C)

-50 to +100

Vibration / Shock Limits

Meets or exceeds: MIL_STD_1540, GSFC_STD_7000

Door Release Function Time (ms)

45 (at 3.5A Actuation Current)

Release Mechanism Resistance (Stowed) (ohm)

0.6 to 1.5

Release Mechanism Resistance (Deployed) (ohm)

Open Circuit

Minimum Actuation Current (a)

3

Minimum Actuation Pulse Duration (ms)

180

Resistance of Telemetry Switch (Closed) (ohm)

0.1 to 0.5

Resistance of Telemetry Switch (Open) (ohm)

Open Circuit

Maximum Current Capacity of Telemetry Switch (ohm)

5

Maximum Voltage Capacity of Telemetry Switch (ma)

175

DIMENSIONS (mm)

508.25 x 344.03 x 344.03