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Alvin personnel sphere next to the pressure-testing chamber.

Alvin personnel sphere next to the pressure-testing chamber.
Alvin personnel sphere next to the pressure-testing chamber.
Alvin personnel sphere next to the pressure-testing chamber.
Alvin personnel sphere next to the pressure-testing chamber.
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383397
Strickrott, Bruce W
Alvin personnel sphere next to the pressure-testing chamber.
Still Image
06/14/2012
graphics/Alvin_Pressure_ test_B_Strickrott/DSC02043.jpg
The testing took place the Northrop Grumman hydrostatic test chamber in Annapolis, MD, and was overseen by a team comprising engineers from WHOI, Navy, ABS, and Southwest Research Institute (SwRI), the company that managed the design and construction of the titanium sphere as a subcontractor to WHOI.
Image Of the Day caption:
With the completion of a new personnel sphere, the submersible Alvin is on the way to becoming a stronger, roomier, and more capable research submersible. After two years of design, construction, and safety testing, the sphere (shown here before pressure testing last week in Annapolic, MD) arrives today in Woods Hole. Like the old sphere, it acts as a cocoon for a pilot and two researchers, but now its titanium shell is thicker to withstand the pressure of greater depths. It's more comfortable too, with 18 percent more interior space. The sphere also has five viewports (covered in the photo), instead of three, giving scientists a whole new look at the seafloor.
Photo by Bruce Strickrott
© Woods Hole Oceanographic Institution
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