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Spacecraft Mechanisms

Two-degree-of-freedom Device for Antenna Pointing. Type 2

  • Purpose: Spacecraft antennas pointing to mobile and immobile users.
  • Year of release: 1985
  • Guaranteed service life (years): 5
  • Estimated production / delivery time (months): 6
  • Flight qualification of the product: Yes
ParameterValue
Rotation angle for each axis, °± 11.5
Slew rate, °/min0.00016 – 0.083
Measurement error of the rotation angle for each axis, arcsec, not exceeding90
Developed torque for each axis, N·m, not less than70
Operating temperature range, °С± 50
Active lifetime, years5
Overall dimensions, mm, not exceeding855 х 725 х 233
Mass, kg21

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