Photo By: Kevin Morgan
 

This eastbound BNSF manifest passes by the hot box detector at MP 22.6. As implied in the name, a hot box detector measures heat along the axles of the passing train. If a brake shoe is sticking against a wheel, it will (naturally) generate large amounts of heat. This will be detected and the information will be broadcast over the radio to the crew of the train, giving the exact location of the problem including axle number and rail (north or south, in this case). Fortunately, there were no issues for this train.
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Sunday, July 5, 2015 at 3:43:45 PM
image date



Location Information
City or County and State
Arvada, CO

Subdivision
Moffat Tunnel (UP)

Milepost or Control Point
Blue Mountain




Train Information
Railroad
BNSF
Model
C44-9W
Unit Number
BNSF 4588

Symbol
HPVODEN1-04A
   



Photo Information
Camera Make/Model
Canon / Canon EOS 7D
ISO
500
Flash
Did Not Fire

Focal Length
300 mm
Shutter
1/320 seconds
Aperture
f/9


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