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post #6 of Old 01-22-2013
KnottyGurl
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Re: Thermal imaging cameras for checking decks and hulls for moisture

Quote:
Originally Posted by PorFin View Post
Bene,

When we had the survey done on Por Fin, the surveyor used a thermal camera to scan the hull and rudder while the boat was in the slings. Everything checked out A-OK.

Fast forward six months. When I stripped off all the bottom paint, I found (much to my surprise) many, many blisters -- some of which yielded a pretty significant amount of juice. Once it warmed up, the rudder also began to weep a surprising amount of fluid.

Based on my experience, I'd stay away from the thermal camera. About the only useful thing the surveyor found with the camera was a loose screw on one of the breakers on the panel (loose contact which was generating heat.)

YMMV.
Did they pressure wash the hull prior to scanning the hull in the slings, was it still wet.
Do you remember what the temperature was, these can all effect the scan.

Sailing The Great Lakes in my "Bluewater" Grampian 26

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