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Old 06-05-2013, 07:33 PM   #21
CaptTom's Avatar
City: Southern Maine
Country: USA
Vessel Name: Cygnus
Vessel Model: Prairie 36 Coastal Cruiser
Join Date: Dec 2012
Posts: 1,525
Originally Posted by Giggitoni View Post
We also keep several wood wedges in the engine room. It's reported that, after hitting an underwater obstruction, can crack the hull in such a way as to form long, thin fractures. One can then slow water intrusion by hammering wedges in the cracks.
I've plugged cracks in metal hull mock-ups with shingles on the damage control simulator. I don't think they'd work as well in fiberglass, you'd just make the crack bigger. I have a bunch on board left over from a bundle I bought for a specific project, and I've already found 100 other uses for them.

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Old 06-05-2013, 10:36 PM   #22
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City: Powell River, BC
Country: Canada
Vessel Name: Northern Spy
Vessel Model: Nordic Tug 26
Join Date: Feb 2012
Posts: 2,746
I have a variety of plugs, wedges and nerf balls on hand. I hope to never use them, but am that kind of guy. Spent many hours in the wet trainer (go to 4:10 in) ,and I guess the lessons stuck. I only had to deal with one major high pressure seawater leak on our boat, and I used a pencil and some duct tape. The wooden plugs in the DC kit were all too big.

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