Allied Power Products, Inc. (APPI) recently produced this custom AC powered sonar recovery winch for use on the University of Hawaii's newest ocean research vessel.

Although originally specified to be equipped with interchangeable drums to accommodate varying sizes of line, APPI provided the university with an alternative single drum design that exceeded their requirements.

All aluminum construction protects it from corrosion and keeps the overall weight below the university's requirements. Equipped with a 10 hp motor, the winch has 3,900 lbs of line pull at a maximum line speed of 83 feet per minute on the first layer of line on the drum.

APPI's proprietary AutoAdvance line-spooling system assures proper spooling on the drum. A Variable Frequency Drive provides speed and torque control and a digital display, protected within a NEMA 4x enclosure, meters line speed, wire rope distance and load. The electrically released brake is spring applied with an optional manual override release.

The overall package is approximately 6 feet deep, 3.5 feet wide and 6.5 feet tall. The drum will store over 4,300 feet of sonar-cable or 1,900 feet of 5/8 inch wire rope.

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