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One of two drive shafts used to provide torque for turning the propellers. Two of the Catepillar engines supply the power for each shaft. Either one or two engines is used, depending on the job. Aboard the Nathaniel B. Palmer in the Drake Passage.

Credit to Read: 
Photo by Cara Pekarcik (PolarTREC 2016), Courtesy of ARCUS
Photographer: Cara Pekarcik
Download: 
Image icon Download Pekarcik_PA120052.jpg (5.3 MB)
Category: 
Year: 
2016
Program: 
PolarTREC
Region: 
Southern Ocean
Topic: 
File Information
Focal Length: 
3.7mm
File Size: 
5558342
Computed Mime: 
image/jpeg
Max Aperture: 
f/3.5
Height: 
2592
Width: 
4608
Make: 
OLYMPUS IMAGING CORP.
Model: 
TG-860
Exposure Time: 
1/30s
ISO: 
1250

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