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Old 06-01-2014, 19:45   #76
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Re: Groco SV Seacock Testing Prior to Installation

Wow, 75 posts on how to install a thru hull fitting?
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Old 06-01-2014, 19:52   #77
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Re: Groco SV Seacock Testing Prior to Installation

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Wow, 75 posts on how to install a thru hull fitting?
Considering it's something that could sink a boat if done incorrectly, it's probably a good thing, to make sure it all goes well.
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Old 06-01-2014, 20:09   #78
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Re: Groco SV Seacock Testing Prior to Installation

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Originally Posted by Rhapsody-NS27 View Post
Considering it's something that could sink a boat if done incorrectly, it's probably a good thing, to make sure it all goes well.
That why I provided the PDF from Grocco to the OP some 30 posts ago that shows the step by step method for properly installing a seacock.

Russians used to say "Perfection is the enemy of good enough".
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Old 06-01-2014, 20:36   #79
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Re: Groco SV Seacock Testing Prior to Installation

Nice job on the backing plates. Good to know about the jig saw blade.
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Old 06-01-2014, 21:56   #80
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Re: Groco SV Seacock Testing Prior to Installation

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Wow, 75 posts on how to install a thru hull fitting?
cheesburger,

I wrote post #75 because I thought it might help someone that was considering using epoxy board G-10 but thought it might cost too much to cut the backing plates.
As I shared in post #75 it cost seven dollars for a carbide blade and the use of a jigsaw.
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Old 27-01-2014, 21:32   #81
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It's all working as planned.
Below are a couple pictures albeit not the greatest pictures for illustration.
Probably better illustrative photos as soon as I find them.
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Old 28-01-2014, 05:59   #82
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Re: Groco SV Seacock Testing Prior to Installation

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Originally Posted by endoftheroad View Post
cheesburger,

I wrote post #75 because I thought it might help someone that was considering using epoxy board G-10 but thought it might cost too much to cut the backing plates.
As I shared in post #75 it cost seven dollars for a carbide blade and the use of a jigsaw.
Nice work
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Old 28-01-2014, 07:16   #83
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Re: Groco SV Seacock Testing Prior to Installation

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Originally Posted by endoftheroad View Post
It's all working as planned.
Below are a couple pictures albeit not the greatest pictures for illustration.
Probably better illustrative photos as soon as I find them.
Very nice . I did much the same to replace the thru-hulls on my Bayfield. Originals were gate valves threaded on to the thru-hulls on ply backing. New are Groco seacocks on 3/4" G10 backers. G10 is epoxyed to the hull with colloidal silica thickened epoxy. Backers drilled and tapped for studs. Makes for a *very* strong installation that you'll likely never have a problem with. Some notes: When epoxying G10, knock the shine off the G10 with a 36 grit disk. I cut the disks with a carbide hole saw. Use a shop vac to clear the dust while it's cutting. Use a big drill press on the slowest speed. When you install the disks, you need the inside surface of the G10 to be parallel to the outside of the Hull. Grind the disk to accomplish this. I also added a couple of layers of FG cloth between the hull and G10 disk to add some strength and take up a bit of slack.
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Old 28-01-2014, 17:32   #84
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Good stuff!
Thanks Saltyhog.
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Old 29-01-2014, 17:12   #85
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Lookie the shine on my 40 year young hull after a few barrier coats.
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Old 29-01-2014, 18:07   #86
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Re: Groco SV Seacock Testing Prior to Installation

Everything is looking very good.
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