This dataverse contains the configuration controlled documentation for the SOFIA Telescope Assembly subsystem 3200 Rotation Drive Assembly (RDA): The Rotation Drive Assembly involves the actuators for the SOFIA Pointing & Control Subsystem to move the telescope to any position within its operational range.

The SOFIA TA Technology and Operations Archive Manual contains a guide how to use the archive as well as an overview of the SOFIA TA Hardware Breakdown Structure (HBS).

The RDA component is organized according to the HBS and contains subsystems as listed in the following tree structure:

0000 SOFIA Telescope Assembly/3000 Suspension Assembly/3200 Rotation Drive Assembly
├── 3210 RDA Fine Drive
│   ├── 3211 Fine Drive Servo Amplifiers
│   ├── 3212 Magnet Elements
│   ├── 3213 RDA Control Unit
│   ├── 3214 Coil Elements
│   ├── 3215 Spherical Sensors
│   ├── 3216.1 Spherical Sensors Upgrade
│   ├── 3217.1 Fine Drive Servo Amplifiers Upgrade
│   └── 3218.1 RDACU Upgrade
├── 3220 RDA Coarse Drive
│   ├── 3221 Coarse Drive Servo Amplifiers
│   ├── 3222.1 Coarse Drive Servo Amplifiers Upgrade
│   └── 3224 Coarse Drive Position Sensor
└── 3230 RDA Structure & Mechanics
    ├── 3231 Hard Stop Ring
    ├── 3232 Brakes Fine Drive
    ├── 3233 Fine Drive Hard Stops with Limit Switches
    ├── 3234 Stow Pin Assy with Switches
    ├── 3235 Coarse Drive
    ├── 3236 Roller Bearing incl Seals
    ├── 3237 Rotor Assembly Cavity without magnets
    ├── 3238 Stator Yoke Assembly without coils
    └── 3239 Rotor Assembly Cabin without magnets
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