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Vega third stage
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- Title Vega third stage
- Released 15/04/2004 3:39 pm
- Copyright ESA
- Description
The Vega thrid stage, Zefiro 9, is derived from a 16 tonne solid rocket motor development (Zefiro 16) initiated by Avio SpA under contract to the Italian Space Agency (ASI). The Zefiro 16 motor has already cofmpleted 3 successful firing tests. The Zefiro 9 motor is composed of:
- a 1.9 m diameter carbon epoxy filament wound case
- low denisty EPDM insulation
- HTPB 1912 composite propellant
- a nozzle based on a flexible joint technology
- a consumable igniter
- an electromechanical thrust vector control system