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Subject: TWL: Re: Sea Chest
From: Walt Kazmierczak (nowakezone1@XXX.XXX)
Date: Tue Sep 03 2002 - 10:36:49 EDT
Bob,
Thanks for the super report on your installation, I hadn't thought about
installing two sea chests with one for a return. Based on your experience I
will probably down size mine a little, but still large enough to get my arm
in for cleanout.
You're first trip convinced me that a vent really is necessary, AND plumbed
to the outside of the boat, we do learn from experience!
Your point about the flange on the bottom solved a problem for me, I thought
that with a flange on the bottom I would then need to add the flange for the
plexiglass cover after installation from inside the boat. With no flange on
the bottom I can now fabricate the top flange before installation.
I have a single DD671N, Onan genset, 2 AC units, sea water for the
galley/head, and a washdown pump, so probably 6" to 8" will be more than
adequate. I can use the mini rollers (about 4") for the glass work.
I note you installed yours at the centerline, do you think this was
necessary due to the rolling of the boat? I had planned to place mine at
the starboard side (single chine hull) so that I could rig up some sort of
cover to reach under and place over the hole from the underside, then pump
out the water from the sea chest for seacock maintenance.
Could you expand a little on how you constructed the actual boxes, I have
had suggestions to build the box from plywood fully encapsulated, to
building a plywood form and laying up glass and mat to 1/2" to 3/4"
thickness.
Thanks again for your input,
Walt
"No Wake Zone"
>From: "Robert Q. Phillips" <bob@XXX.XXX>
>Hi Walt,
>
>I installed two of these last year on my sixty footer. 10" square,
>
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