P120 (rocket stage)
Solid-fuel first-stage rocket motor / From Wikipedia, the free encyclopedia
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P120 is a solid-fuel first-stage rocket motor developed by Avio and ArianeGroup through the joint venture Europropulsion on behalf of European Space Agency for use on Vega C and Ariane 6.[2]
Quick Facts Manufacturer, Country of origin ...
Manufacturer | Avio |
---|---|
Country of origin | Italy |
Used on | Ariane 6, Vega-C/E |
Derived from | P80 |
Launch history | |
Status | In use |
1 stage – P120C[1] | |
Height | 11.7 m (460 in) |
Diameter | 3.4 m (130 in) |
Empty mass | 11 t (24,000 lb) |
Gross mass | 154.6 t (341,000 lb) |
Propellant mass | 143.6 t (317,000 lb) |
Maximum thrust | 4.65 MN (1,050,000 lbf) |
Specific impulse | 278.5 s |
Burn time | 132.8 s |
Propellant | Aluminium-HTPB 1912 |
Close
"C" in P120C stands for "Common" as it will be shared by Ariane 6 and Vega-C.[3]
In July 2022, with its inaugural flight, it replaced its predecessor P80 as the world's largest and most powerful one-piece solid-fuel rocket motor.[4]