Slider drips - any ingenious solutions out there? - SailNet Community

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  #1  
Old 10-14-2009
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Slider drips - any ingenious solutions out there?

Hi everyone,
It being the return of the Seattle rainy season from now until May, it's time to nip a design problem with my slider in the bud. I'm hoping that some mechanically minded folks can inspire me since I can't wrap my head around this one.

The problem is this: rain rolls down my curved slider into a shallow gutter that's supposed to fall off aft into the cockpit, but due to the angle of the channel or the sheer amount of rain, water often overflows the gutter and streams into the cabin.

The slider is held in place with metal strips on either side (pictured), which is fine but the sequence of overlaps here is what's letting water get into the gutter in the first place. If I had my preference, water would come off the slider directly onto the cabin top and thus have no point of entry into the cabin. The metal strips prevent this, but I don't think I can remove them since they're necessary to keep the slider stable. The other thought would be to make the gutter more efficient somehow, or to sufficiently fill it in/seal it off so as to keep water out without impeding the slider's movement.

Can anyone offer any ideas as to how to keep the water out?
Thanks,
Jeff

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Old 10-14-2009
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Are you storing a whole bunch of gear in the Vberth? I'm thinking that your trim is bow-down, defeating the draining capability of the trough.

If so maybe try moving some stuff around to get a more stern-lower trim.

Alternatively, a piece of weather-stripping attached to the underside of your retaining strips may discourage water from running under it... forcing to to run off the end of the curved hatch
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Old 10-14-2009
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Try mounting strips on your hatch parallel and inboard of the slides to divert a majority of the water aft instead of into the troughs. Faster is right too , your boat trim is probably off.
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Old 10-14-2009
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The problem is the piss-poor engineering of the hatch slider in the first place. By using the black metal strips to hold the acrylic down, they've effectively trapped the water on top of the acrylic slider, forcing the water to flow under the strips and into the gutter.

What they should have done is attached the slider from the underside, and had it extend slightly outboard of the white "slider rails", so that the majority of the water would end up pouring down the cabintop, as seen in this image:



This would probably be fairly easy to retrofit to fit under your existing seahood.
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Last edited by sailingdog; 10-14-2009 at 04:40 PM.
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Nice graphics Sailingdog, what program are you running for your design?
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Old 10-14-2009
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LOL... I just sketched that in Quark XPress pretty quickly...not technically a drawing program. I do have a good CAD program that I use for more serious stuff... or Adobe Illustrator for more artistic work.
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Nice graphics Sailingdog, what program are you running for your design?
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Old 10-19-2009
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Thanks to everyone for the ideas. SD, I agree wholeheartedly about the *unfortunate* design choice in the slider, and I'd retrofit consistent with your elegant schematic if I could just find something attractive to adhere to the existing lexan that would give me that overlap. The existing piece just wouldn't be long enough to span over the outside edge of the trough. The various weatherstripping ideas may also provide good short term sealant, but it wouldn't look near as pretty.

After looking at a neighbor's boat, which has a similar slider construction, I think I may try to file the gutter so that it's deeper and better angled aft. There's enough solid glass there to play with, with the only worry that I'd be undermining the strength of the ledge the slider sits on.

Thanks again!
Jeff
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Why not laminate a thinner piece of lexan to the existing slider and get rid of the existing metal strips...and retro fit a slider to the underside of the lexan port. If the teak trim strip that is seen in the photo goes the length of the sliding hatch, you could use that as a base for the slider mechanism.
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Old 10-19-2009
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Could glue an "L" shaped peice to the slider so it partially overlaps the retaining strip. that way it will prevent water from making it to the exixting gutter, and form a smaller gutter on the slider itself. Done
May want to form a dam at the forward edge where it slides into the hood.

Vinyl or rubber seal strip (flat type) mounted on the cabin side of the gutter and bearing against the slider would seal against it and greatly reduce water intrusion.

Applied similar to this:
Amazon.com: Dual Vinyl Garage Door Seal - 08456 9Ft. Be Garage Door Vinyl: Home Improvement

Ken.
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