VEGA E: MIRA Motor - Avio.com
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VEGA E: MIRA Motor

MIRA MOTOR

The Lyra program financed by the Italian Space Agency (ASI) enabled Avio to study the potential evolution of the Vega Launcher to increase useful load by 30%, up to 3000 Kg in a LEO 1 of 700 Km.

The goal of the program was to enhance the performance of the Vega Launcher by replacing the third stage and the AVUM stage with an innovative LOX/CH 4 liquid propellant system.

This new engine called MIRA is designed to provide approx. 10 tonnes of thrust through the use of an expansion-type thermodynamic cycle. During the Lyra program, a full-scale MIRA-D demonstrator was built and tested.

The program also included the development of innovative guidance, navigation and control algorithms.

The experience and results obtained with the demonstrator engine constitute a reliable starting platform for development of the LM10-MIRA motor used in flight.

MIRA Flight Motor

  • Propellants: LOX – LNG
  • Schematic: Expander cycle
  • Trust in vacuum: kN 98,1
  • Total flow rate: 27,6 kg/s
  • Mixture ratio: 3,4
  • Numbers of chambers: 1
  • Trust vector: ± 10°
  • Max diameter: <1200 mm
  • Max Length: <2400 mm
  • Weight: <250 kg
  • Numbers of re-starts: 7

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