Control & Measurement Systems
Acoustic Test Tank Underwater Rotator

C&M designed and fabricated a precision underwater rotator for use in the Naval Underwater System Center's high pressure acoustic calibration test tank. This rotator was comprised of:

  • Cylindrical pressure-compensated housing containing an electric motor, gearbox and shaft position sensor
  • Control panel with manual positioning controls
  • Waterproof interconnecting cable
The rotator operated under hydrostatic test pressures up to 2000 psi and met the following performance specifications:
Motor speed:
0 to 1 rpm (computer controlled)
75 ft - lb @ 0 RPM
55 ft - lb @ 0.5 RPM
30 ft - lb @ 1 RPM


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