Maine Sea Grant Photo Gallery
Scale Modeling of a Submersible Mussel Raft
click on a thumbnail to view the full size image
Side view of the fiberglass model
Side view of the fiberglass model, while submerged, in still water. Note the gradations on the floats.

Design constructed of polyethylene pipe

A shot of the other design that was tried in the tow tank, constructed of polyethylene pipe.
Tow tank at the UM Campus
A shot of the tow tank at the UM campus. Waves are generated by computer-controlled machinery at the end of the tank. Wave period and height are adjustable.
The floats

Closer shot of the floats. The calculated buoyancy of the actual floats could be checked against the models by weighting the model floats; each bolt weighed 8 oz.

Surface test of the fiberglass model
People looking on as the fiberglass model is tested at the surface.
Modeling prompts discussion

Modeling proved to be a good way for people to discuss what they were seeing, share ideas, make easy modifications, etc.

Models in the tank
Watching the models work in the tank really gets people's attention
Technical discussion

A portrait of how information gets shared. John (left) and Babe, watching how the raft is performing, and talking about their ideas on working through the technical problems.

Dr. John Riley, Babe Stanley and Roger Fleming

This project was an interesting and productive collaboration. Left is Dr. John Riley of UMaine, Babe Stanley is in the middle, and to the right is Roger Fleming, of the Conservation Law Foundation. Each person brought something to the table, to work on a problem of interest to all.

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Last Updated:
Wednesday 09/15/2004 12:52 PM

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