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post #14 of Old 02-04-2013
Learning the HARD way...
eherlihy's Avatar
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Re: Keel Bolts

I've been down the keel bolt replacement road, and I have some concerns that I would address before drilling holes in the bottom of my boat.

The keel on my boat was made by I Broomfield & Sons. The keel bolts are set in - for lack of a better word - pedestals in the lead, with islands of foam between them... Here is a pic that should explain what I mean;

That brown stuff is polyisocyanurate... It's not really very strong stuff, especially with a tensile force applied. The white stuff is 5200, and you can see why the keel was dropped by looking at the bolt in the background.

I believe that simply drilling a hole without KNOWING what you are drilling into will be akin to this;

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USCG Licensed OUPV Captain, ASA 101/103/104/105/106/118 Certified Instructor - Also certified in Recreational Marine Electrical Systems

Last edited by eherlihy; 02-04-2013 at 09:30 PM.
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