Two-degree-of-freedom Device for Antenna Pointing. Type 2
Flight-proven 2-DOF antenna pointing device (±11.5°, 70 N·m, 21 kg, 855×725×233 mm) with 5-year GEO life.
Technical specifications
- Purpose
- Spacecraft antenna pointing to mobile and immobile users
- Year of release
- 1985
- Guaranteed service life, years
- 5
- Estimated production/delivery time
- 6 months
- Flight qualification
- Yes
- Rotation angle per axis, °
- ±11.5
- Slew rate, °/min
- 0.00016–0.083
- Measurement error per axis (arcsec), not exceeding
- 90
- Developed torque per axis (N·m), not less than
- 70
- Operating temperature range, °C
- ±50
- Active lifetime, years
- 5
- Overall dimensions (mm), not exceeding
- 855 × 725 × 233
- Mass, kg
- 21
- TRL
- 9 (flight-proven)
About
The Two-degree-of-freedom Device for Antenna Pointing Type 2 is a flight-qualified two-axis electromechanical drive for pointing spacecraft antennas to mobile and immobile users. It provides ±11.5° rotation per axis at very low slew rates of 0.00016–0.083 °/min with 90 arcsec pointing accuracy and 70 N·m minimum torque. Large form factor: 855 × 725 × 233 mm, mass 21 kg. Released in 1985 with 5-year active and guaranteed service life, 6-month delivery time.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
