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Crab-Back: Low-Cost Acoustic Release Backup Buoy for Crab Pot Recovery

Project Description:

The Crab-Back is a low-cost, acoustic release backup buoy for crab pot recovery. Boat traffic and storms in the Chesapeake Bay regularly sever the lines connecting crab pots to their buoy markers. This makes these crab pots nearly impossible to recover amidst the Bay’s murky waters, but the Crab-Back solves this problem by making crab pots easy to visually locate.
The device is split into two components – a buoy module and a remote. The buoy module attaches to the crab pot itself and releases a small backup buoy on command via an encrypted acoustic signal sent from the remote.

Project Photo:

Two separate prototype pieces fashioned out of PVC, one long remote with a speaker at the end and one module with a hydrophone, also holding a buoy attached to a rope spool.

Prototype of the Crab-Back’s main buoy release module and remote.

Student Team Members

Miles Durham, Vincent Lu, Benjamin Shan, Christian Torres

Course Faculty

Lawrence Aronhime, Lucas Buccafusca

Project Mentors, Sponsors, and Partners

Lawrence Aronhime, Lucas Buccafusca, Eric Ji, Alexander Rovalino