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The P120C full-scale model solid rocket motor for Ariane 6 and Vega-C, filled with 142 tonnes of inert propellant, is tilted from its vertical orientation to horizontal position for further integration with other structures.
The P120C is the largest solid-propellant motor ever built in one segment, at almost 11.5 m long and about 3.4 m in diameter. Two or four will be strapped to Ariane 6 as boosters for liftoff.
Vega-C is expected to debut in 2020 with P120C as the first-stage motor, which will increase performance from Vega’s current 1.5 t to about 2.2 t in a reference 700 km polar orbit.