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#21
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Which window shape?
Wally,
I think butyl tape would be a good way to go. I have a Catalina 30 MK-II and the windows are sealed that way. No leaks, and I'm fairly sure this is the original bedding. I also used it to replace some silicone bedding that was used to seal a portlight located above the quarterberth (but was leaking), and the butyl tape seems to have taken care of the leak just fine. Check out McMaster-Carr (www.mcmastercarr.com) as a good source for the stuff. I also read on a list that C&C used butyl tape to seal their hull to deck joints, though I do not know whether this is so. Regards, Alan Gomes "Wally" wrote in message ... DSK wrote: Yes but it would look better without those in any case. A better comparison would be with (harder to draw in, I know) (With?) I've added a photo showing the original window shape, but with the stanchions and lifelines removed. I'd be very afraid of weakening the structure... DON'T cut that beam... in fact don't cut within 3 or 4 inches of it. The fiberglass flange where it joins the coach roof molding is sure to be a structural element. You can add fiberglass channels around the edge of the new port opening for stiffness, but it'd be a major engineering job to design & build a new mast step support. I'm not planning to cut the opening at all. The new shape is basically a go-faster stripe. The plus side of bigger windows is more light inside (the tint looks cool, but don't overdo it). The downside is a weaker coach roof. The reason for going for a tint is to disguise the outline of the aperture underneath - I may darken the GRP around the aperture if it shows through the tint. It could do with some more light inside, and I'm looking into the possibility of putting a Houdini-type hatch on the cabin roof forward of the mast. It has a little 'ventilight' thing there at the moment. I think some MkI Foxcubs (the Super model, perhaps) were fitted with a Houdini in this location, so I think it will be okay structurally. I'd put the acrylic on the outside, beveled, onto a mated surface around the edge of the port, and use small screws only to hold it in place while the 5200 dries. Is that an adhesive sealant? If so, would there be problems with trying to remove a window later? I was thinking of tacky butyl tape (squidgy and compressible) with lots of screws. The more time & work you put into the edges, both the seating to the new port and the channel around the inside, the stronger & tighter it will be. I've seen this kind of thing done well on a few boats... seen a botched "quickie" job dozens of times (including on a boat we were considering buying until we got a close look at this and many other owner customized bits). Well, the boat's a bit tatty and isn't really worth the effort to bring it to anything approaching a concours finish. Neat, waterproof, and maintainable are the main aims with the windows. -- Wally www.artbywally.com www.wally.myby.co.uk/music |
#22
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Which window shape?
looks a bit 'Mac-ish'. and too big for the boat. Just my opinion.
I'd put a pair of round brass ports in. SV "Wally" wrote in message ... The windows on my boat need to be replaced. They're fitted into those old-style channelled rubber strips that are used to hold vehicle windows in place - the rubbers are rather perished and the acrylic is clouded and crazed. I'm considering putting tinted acrylic on the outside of the cabin - any thoughts on the wisdom of this approach? By fitting on the outside surface, I have the opportunity to change the window shape - here's a couple of side views of my vast, ocean-going, 18-foot mega-yacht, showing the original window shape, and the proposed new shape... http://community.webshots.com/album/136291482TgUkPQ -- Wally www.artbywally.com www.wally.myby.co.uk/music |
#23
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Which window shape?
On Fri, 23 Apr 2004 13:43:41 +0100, "Wally"
wrote this crap: The windows on my boat need to be replaced. They're fitted into those old-style channelled rubber strips that are used to hold vehicle windows in place - the rubbers are rather perished and the acrylic is clouded and crazed. I'm considering putting tinted acrylic on the outside of the cabin - any thoughts on the wisdom of this approach? When I have that problem, i buy a new boat. This signature is now the ultimate power in the universe |
#24
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Which window shape?
More information than we need.
"Horvath" wrote in message ... On Fri, 23 Apr 2004 13:43:41 +0100, "Wally" wrote this crap: The windows on my boat need to be replaced. They're fitted into those old-style channelled rubber strips that are used to hold vehicle windows in place - the rubbers are rather perished and the acrylic is clouded and crazed. I'm considering putting tinted acrylic on the outside of the cabin - any thoughts on the wisdom of this approach? When I have that problem, i buy a new boy. This signature is now the ultimate power in the universe |
#25
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Which window shape?
Use clear sealant instead.
Cheers Joe wrote: When you put your new windows on oversize them slightly and do like the car mfg's do and paint the back of the lexan black around the edges to cover the sealant. |
#26
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Which window shape?
Horvath wrote:
"Wally" wrote this crap: The windows on my boat need to be replaced... When I have that problem, i buy a new boat. Isn't your bathtub getting awfully full by now? -- //-Walt // // Sigs suck. Oh, the irony. |
#27
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Which window shape?
I don't think he bathes...
-- "j" ganz @@ www.sailnow.com "Walt" wrote in message ... Horvath wrote: "Wally" wrote this crap: The windows on my boat need to be replaced... When I have that problem, i buy a new boat. Isn't your bathtub getting awfully full by now? -- //-Walt // // Sigs suck. Oh, the irony. |
#28
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Which window shape?
"Wally" wrote in message ... The windows on my boat need to be replaced. They're fitted into those old-style channelled rubber strips that are used to hold vehicle windows in place - the rubbers are rather perished and the acrylic is clouded and crazed. I'm considering putting tinted acrylic on the outside of the cabin - any thoughts on the wisdom of this approach? By fitting on the outside surface, I have the opportunity to change the window shape - here's a couple of side views of my vast, ocean-going, 18-foot mega-yacht, showing the original window shape, and the proposed new shape... http://community.webshots.com/album/136291482TgUkPQ -- Wally www.artbywally.com www.wally.myby.co.uk/music Have seen this done before, a lot easier than enlarging the cut out. The new shape looks very good, IMHO. John Cairns |
#29
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Which window shape?
My boat was built with windows sealed on the outside of the hull.
They leaked adequately to cause enough damage that I could afford the boat. I did replace them with acrylic and the installation leaked after a few months. Next we tried nylon washers between the window and the hull to maintain a minimum sealant thickness of about 3 mm to absorb differential expansion and hull flex. This has worked well for 4 years. "Wally" wrote in message ... The windows on my boat need to be replaced. They're fitted into those old-style channelled rubber strips that are used to hold vehicle windows in place - the rubbers are rather perished and the acrylic is clouded and crazed. I'm considering putting tinted acrylic on the outside of the cabin - any thoughts on the wisdom of this approach? By fitting on the outside surface, I have the opportunity to change the window shape - here's a couple of side views of my vast, ocean-going, 18-foot mega-yacht, showing the original window shape, and the proposed new shape... http://community.webshots.com/album/136291482TgUkPQ |
#30
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Which window shape?
What is with this "windows" thread???? Boats have PORTS; houses have
windows...sheesh.... -- katysails s/v Chanteuse Kirie Elite 32 http://katysails.tripod.com "Women and cats will do as they please, and men and dogs should relax and get used to the idea." - Robert A. Heinlein |
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