Regularly diving 4km+ below the surface of the ocean is no easy task. However, for the past 6 decades, the Woods Hole Oceanographic Institution have made 5000 such dives safely using the world's most famous Deep Submergence Vehicle: Alvin.
Unsurprisingly, the design and operating considerations for such a craft are extensive to say the least. This presentation walks through the main aspects to consider when exploring such a harsh environment and how scientists and engineers at the WHOI were able to turn the dream of a safe DSV into reality.
List of sources used available here:
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00:00 - Intro
02:22 - Buoyancy Systems
10:00 - Pressure Sphere
23:51 - Navigation
29:16 - Life Support
31:07 - Communication
33:00 - Power and Propulsion
35:21 - Past Incidents
37:33 - Certification
40:02 - Conclusions
