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  Drilling holes in the hull of an '86 Montauk

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Author Topic:   Drilling holes in the hull of an '86 Montauk
calipat posted 07-31-2002 02:22 PM ET (US)   Profile for calipat   Send Email to calipat  
I have installed two Igloo coolers (with cushions) in the stern of my '86 Montauk (a 72 quart and a 60 quart). I designed and built a custom stainless steel (upholstered) seat back - the design calls for the seat back to be mounted below the "lip" on both sides of the hull just forward of the splash well. The stainless steel seat back has a mounting plate that is 4 inches square with a counter sunk mounting hole in each corner. Here's my question...what is the longest SS screw I can use in this location? Where can I get a wood diagram of an '86 hull? Is 5200 the best sealant to use? Any and all ideas and suggestions are appreciated. Once installed, this should be a pretty cool stern seat seat setup...I will post pictures. Thanks!
Cpt Quint posted 07-31-2002 03:05 PM ET (US)     Profile for Cpt Quint  Send Email to Cpt Quint     
Wood diagram in the reference section under 16-17 foot hulls in dimensions section under embedded wood. Find your hull layout and align accordingly.
Screw only has to be long enough to pass into the wood, 3 inch probably too much. Width is also important maybe about 3/8 for this application.(depends on weight)
5200 is good however if you want a truely permanent mount epoxy should be considered.
Also I would suggest fabricating brackets to the floor that the fixture can be mounted to as opposed to a direct mount into the floor.
dangc78 posted 07-31-2002 05:09 PM ET (US)     Profile for dangc78  Send Email to dangc78     
Forget the 5200...there are better products out there. What i do on my boat is used JB Weld. It is a two part cold weld that bonds to anything gets rock hard and is not affected by UV rays, gas, oil, and it's completely waterproof. I used it to re-anchor all my rails on a 13' sport i have. the original owner used it as a dive boat and put homeade rails on the boat the length of the hull. When i bought it half of them were loose...not anymore...rock solid now. I stand on them and jump of the boat and them don't budge.
lhg posted 07-31-2002 05:58 PM ET (US)     Profile for lhg    
BW's instructions have always been that a wood screw (going into wood/whalerwood backing) should only penetrate the glass 1" total.

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