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Old 02-06-2012, 05:44 PM
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MISCHIEF3800
Junior Member
 
Join Date: Oct 2011
Location: Lexington Park, MD
Posts: 2
Default Transducer Upgrade Needs Bigger Hole

I'm moving up from an AIRMAR through-hull with a 33mm shaft from one with a 31mm shaft. My problem would be a 31mm hole in my boat. I need to make the hole bigger without destroying my hull. Trying to over-drill an undersized hole in wood is usually a disaster and I don't expect fiberglass to be much better. Ideas?
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