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08-19-2011, 02:17 AM #11Senior Member
- Join Date
- Aug 2008
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- Cottage Grove, MN
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- 780
Well I did it tonight. I was tinkering in the garage and was looking at the drain thru-hull on the port side and was thinking about how to bore that hole out. I used Maxpower220's advice and put a cork in the hole, which was about a 1-1/4" hole. I needed 1-3/8" to fit the 1" thru-hull, so really not much, just a 1/16th around the whole hole.....
I cut the stopper so that only about 1/4" stuck out of the hole, then started the hole saw (a carbide type with abrasive teeth, vs the cutting teeth) by hand. It fit snugly over the stopper so I twisted it a bit more until it met with the gelcoat. While holding a beer in one hand I just turned the hole saw by hand until I was through the gelcoat. I kept turning by hand until I was probably 1/16th into the fiberglass. Then I pulled out the hole saw and the stopper, and used sandpaper to chamfer the edges of the gelcoat. Then I reinserted the stopper, and put the hole saw in my cordless drill, and drilled very slowly until I went through. I was surprised at how thin the fiberglass was, only about 1/4". The gelcoat was about 1-1.5mm thick. Then I trimmed the carpet fibers back and that was it. Here's some pics:
Last edited by mnpracing; 08-19-2011 at 02:20 AM.
2006 Outback V - Gone
2008 LSV - Gone
2013 other brand
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08-19-2011, 08:28 AM #12
Great way to do that... where is the pic of the one inch thru hull finally installled?
Last edited by jmvotto; 08-19-2011 at 08:28 AM. Reason: spelling
A Day at the Lake...Priceless
A Day in Powder...Endless
Joe V
2012 Möbius XLV~ Loaded & Exiled
2007 Outback V ~ sold
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08-19-2011, 08:31 AM #13
Where is the pic of the beer?
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08-19-2011, 08:49 AM #14Senior Member
- Join Date
- Aug 2008
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- Cottage Grove, MN
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- 780
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08-19-2011, 09:50 AM #15
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08-19-2011, 11:20 AM #16Senior Member
- Join Date
- Jan 2008
- Location
- Pensacola, FL
- Posts
- 1,585
Wait..... that really worked????? That's just something I made up.
Glad it worked out. Work smarter, not harder!1997 MasterCraft 205
2008 Moomba Outback
1999 MasterCraft Sportstar OB
1992 MasterCraft 205
1999 Malibu Response LX
1987 Marlin Magnum Skier
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08-19-2011, 11:33 AM #17Senior Member
- Join Date
- Aug 2008
- Location
- Cottage Grove, MN
- Posts
- 780