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Spacecraft Mechanisms

Two-degree-of-freedom device for antenna pointing. Type 4

  • Purpose: Spacecraft antennas pointing to mobile and immobile users.
  • Year of release: 1996
  • Guaranteed service life (years): 10
  • Estimated production / delivery time (months): 6
  • Flight qualification of the product: Yes
ParameterValue
Rotation angle for each axis, °± 10.5
Slew rate, °/min0.001 – 5
Measurement error of the rotation angle for each axis, arcsec, not exceeding90
Developed torque for each axis, N·m, not less than50
Operating temperature range, °С-20 to +50
Active lifetime, years10
Overall dimensions, mm, not exceeding442 x 362 x 164
Mass, kg8.4

Two-degree-of-freedom electromechanical device for antenna pointing.