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Drew McCabe working on HOV Alvin's batteries.

Drew McCabe working on HOV Alvin's batteries.
Drew McCabe working on HOV Alvin's batteries.
Drew McCabe working on HOV Alvin's batteries.
Drew McCabe working on HOV Alvin's batteries.
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211353
Kleindinst, Thomas N.
Drew McCabe working on HOV Alvin's batteries.
Still Image
01/16/2013
graphics/Alvin/_DSC3300.jpg
Image Of the Day caption:
In the Alvin High Bay, the yellow-knobbed battery cells that power the human-occupied submersible, Alvin, undergo testing. Drew McCabe, a biology major at Roger Williams University and son of WHOI mechanic shop supervisor Bob McCabe, volunteers during his school breaks. He recorded each battery cell's voltage over a service charge and discharge cycle during Phase 1 of the submersible's upgrade. In the second phase of the upgrade, the batteries will be replaced with newer, lighter cells that will extend the submersibles dive duration from 6-10 hours to 8-12 hours.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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