E.T.PACK DMM & EEM
E.T.PACK DMM & EEM
Name E.T.PACK DMM & EEM (Electrodynamic Tether technology for PAssive Consumable-less deorbit Kit, E.T.PACK-F)
Type CubeSat
Units or mass 12U
Status not launched, expected in 2025
Organisation Universidad Carlos III de Madrid
Institution University
Entity Academic / Education
Nation Spain
Manufacturer AIVT by ?
Operator ?
Costs €5.5M
Oneliner

Develop a deorbit device based on 500m electrodynamic tether.

Description

The E.T.PACK deorbit device has been designed to fit into a standard 12U envelope, with a maximum mass of 24 kg. It is composed of two modules: the Deployment Mechanism Module (DMM), with an approximated dimension of 2U x 2U x 1.5U, and the Electron Emitter Module (EEM), with 2U x 2U x 2.5U of rough size, see Figure
The DMM hosts 500 m of tape-tether (80% Aluminum and 20% PEEK) and it is responsible for deploying it.
The EEM main goals are (i) to emit the electrons captured by the tether back to the ambient plasma to maintain a steady electrical current in the tether, (ii) to activate the Hold Down and Release Mechanism (HDRM) before the tether deployment to break the mechanical connection between it and the DMM, and (iii) provide the necessary acceleration during the deployment phase. The avionics of both modules is similar, with some differences that correspond to the dedicated electronics of the deployment mechanism in the DMM and the electron emitter in the EEM.  

Sources [1] [2]
Photo Sources [1]
Keywords Propulsion

Last modified: 2022-12-29
Detailed E.T.PACK DMM & EEM entry in the Database
Full Nanosats Database (much more data)

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Created by Erik Kulu

Email: erik.kulu@nanosats.eu
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