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13-01-2008, 01:35
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#1
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Registered User
Join Date: Jun 2007
Location: kefalonia ,ionian islands
Boat: Solaris Sunstar 38, Wild Honey
Posts: 150
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cat stern bumpers
after getting one hull graunched on a stone quay when stern -to mooring in a crosswind last summer i am trying to find some sort of material to make two permanent bumpers for the sterns that can be epoxied on , up to 200mm thick, any ideas ?
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13-01-2008, 08:25
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#2
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Moderator Emeritus
Join Date: Mar 2003
Location: Hayes, VA
Boat: Gozzard 36
Posts: 8,700
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You won't get anything to hold with epoxy. You would need through bolts with backing plates.
I would just buy some big fenders and attach long lines to them that can be tied on. They could be used in many situations like when you have a heavy crosswind. They could take a bigger hit than a hard bumper would too. Add a few extra cleats if need be. Fenders take abuse by their nature and they get dirty and scratched up. You sure don't want to have two ugly bumpers years down the road looking pretty ugly.
__________________
Paul Blais
s/v Bright Eyes Gozzard 36
37 15.7 N 76 28.9 W
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13-01-2008, 11:43
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#3
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Registered User
Join Date: Mar 2003
Location: Philippines in the winters
Boat: It’s in French Polynesia now
Posts: 11,368
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Maybe you could attach a dock bumper of some kind??
http://www.scalisemarine.com/logos_p...boxes/df01.jpg
I'm not promoting this vendor but just showing an example.
__________________
Faithful are the Wounds of a Friend, but the Kisses of the Enemy are Deceitful! ........
The measure of a man is how he navigates to a proper shore in the midst of a storm!
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13-01-2008, 18:49
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#4
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Registered User
Join Date: Apr 2007
Location: SF Bay Area, CA, USA
Boat: Privilege 39
Posts: 664
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What about a couple of fenders and a board (on the DOCK side of the fenders) on each hull strategically located to properly carry the load?
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13-01-2008, 19:50
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#5
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Registered User
Join Date: Jan 2006
Location: North Carolina
Boat: 44 footer
Posts: 953
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How about some stainless steel plates?
They use them for keel protection on beachable cats. Figure they would do for your purpose too. Still want a bumper, but it'd hurt the wall not the boat if you bump.
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14-01-2008, 12:59
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#6
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Registered User
Join Date: Jan 2007
Location: Brisbane after cruising (Atlantic -> Med -> Carib -> Pacific)
Boat: Vancouver 36, Hobie 33, Catana 48, now all with new owners
Posts: 367
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I was planning on trying a pair of these:
West Marine: Transom Fender Product Display
Mark.
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14-01-2008, 13:39
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#7
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Registered User
Join Date: Dec 2005
Location: Worcester U.K.
Boat: Privilege 435 Now Sold
Posts: 1,065
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Quote:
Originally Posted by mark_morwood
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Nice idea but they won't deal with all configurations of dock. The only graunch I've had was about 18 inches above the bottom of the transom and was caused by contact with the underside of a pontoon.
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16-01-2008, 01:46
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#8
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Registered User
Join Date: Jun 2007
Location: kefalonia ,ionian islands
Boat: Solaris Sunstar 38, Wild Honey
Posts: 150
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Quote:
Originally Posted by Pblais
You won't get anything to hold with epoxy. You would need through bolts with backing plates.
I would just buy some big fenders and attach long lines to them that can be tied on. They could be used in many situations like when you have a heavy crosswind. They could take a bigger hit than a hard bumper would too. Add a few extra cleats if need be. Fenders take abuse by their nature and they get dirty and scratched up. You sure don't want to have two ugly bumpers years down the road looking pretty ugly.
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yes thats what i always do - but the fenders float and the transoms are raked forward so the fender just lifts out of the way when most needed ! i want to fix a soft-ish fender / buffer to the hulls so they will remain in place when the pressure is on .
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16-01-2008, 01:51
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#9
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Registered User
Join Date: Jun 2007
Location: kefalonia ,ionian islands
Boat: Solaris Sunstar 38, Wild Honey
Posts: 150
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[quote=mark_morwood;125751]I was planning on trying a pair of these:
West Marine: Transom Fender Product Display
yes, thanks i looked at these , best so far - but i suspect they would be tricky to position and keep in place with cord ?
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16-01-2008, 03:38
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#10
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Moderator Emeritus
Join Date: Mar 2003
Location: Hayes, VA
Boat: Gozzard 36
Posts: 8,700
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Quote:
but the fenders float and the transoms are raked forward so the fender just lifts out of the way when most needed ! i want to fix a soft-ish fender / buffer to the hulls so they will remain in place when the pressure is on .
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I guess I see what you mean but an permanently attached fender is just going to eventually get dirty, ugly, and all beat up. Probably develop a hole along the way too. Being soft like a fender means it will get dirty just like a fender and wears like one too. If they don't then they won't do any good. I don't have a fender older than 1 year that looks very great but they still work as well.
You could add tie downs that were through bolted with backing plates so you could tie on a fender any place you wanted, but be able to remove it and replace or just clean it as required. You won't destroy the look of the boat that way either. Now you can use general purpose fenders that are easily replaced. Having a pool of general purpose fenders makes it easier to use them for more situations.
__________________
Paul Blais
s/v Bright Eyes Gozzard 36
37 15.7 N 76 28.9 W
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16-01-2008, 08:27
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#11
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Registered User
Join Date: Jan 2006
Location: North Carolina
Boat: 44 footer
Posts: 953
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Might sacrifice a little speed, but have you considered cutting the transom closer to square? Or adding a set of beefy, well backed up stainless steel hand rails on the outer edge that are 90 degrees to the water?
Could you use the transom steps to lace a big taylormade buoy on to the back?
I've also seen swim platforms that were strong enough to take load while docking... though that would be heavy enough to lift the bow out of the water.
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16-01-2008, 11:01
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#12
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Registered User
Join Date: May 2004
Location: annapolis
Boat: st francis 44 mk II catamaran
Posts: 1,212
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I'd nail a couple of the dock fenders to the dock pilings and an potential rub spots, going way above and below the water line. don't forget rubrails on the walkways under underside supports, anything that could rub. That would be a first solution because you can just nail it on and be done with it.
Not having that as an option I'd look at a rub rail for the transom. A proper rub rail will look nice on your boat and you could hide the mars and gelcoat chips from past incidents.
Maybe something like these RubRails.com - Your online source for rub rails, bilge supplies, boat cleaning supplies, and other boating accessories
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21-01-2008, 01:19
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#13
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cruiser
Join Date: May 2007
Location: Everett, Washington
Posts: 765
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Looking for something skookum (NW speak for big or stout,) try Schuyler Rubber Company, Inc.
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21-01-2008, 01:24
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#14
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cruiser
Join Date: May 2007
Location: Everett, Washington
Posts: 765
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Stern fender
And if that's a little too industrial, try SSR Fenders - Marine Fenders
(no connection to either)
Quote:
Originally Posted by BigCat
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21-01-2008, 02:34
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#15
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Moderator Emeritus
Join Date: Mar 2003
Location: Hayes, VA
Boat: Gozzard 36
Posts: 8,700
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I'm sure with a little work this cat can look like a tug boat. Might look ugly but it won't get scratched. BigCat, I think your fender idea lacks the steel behind required for this to really work.
__________________
Paul Blais
s/v Bright Eyes Gozzard 36
37 15.7 N 76 28.9 W
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