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Passive Sediment Sampler System
Final Design Testing
Testing site at the Shelter Island pier outside of Bali Hai Restaurant
Preparation for deployment of retrieval system
Securing a safety tether line and mounting the buoy to the motor assembly
Retrieval system assembled and prepared for submersion
Deploying the system underwater
Video of final testing
Final Design Assembly
Applying silicon grease to shaft sealing O-ring
Assembling and inspecting the buoy components
First Prototype
"Exploded" view of components
Retrieval system tied to weight, and being programmed
Electronic innards of retrieval system
Initial Tests
Underwater Pool Testing
Spool and Tether Line Testing
Spool and Buoy Experimental Setup
Unspooling Technora Test
Unspooling Paracord Test
Prototype Pressure Vessel and Buoy
Prototype Release Mechanism
Pressure Housing Waterproofing Test
Risk Reduction
Risk Reduction Release Mechanism Test
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