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harehunter
#1 Posted : Friday, August 13, 2010 1:32:52 AM(UTC)
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Here is a link to the first point of damage on the hull I plan to take care of. I am looking for advice on this repair It is a deep impact but doesn't penetrate the hull, so I am thinking about a couple of ideas. The first woul dbe to knock it out with mallets and fill the residual areas with west system epoxy 10 in the tube and then fair it out. I don't ant a sag or the epoxy fill to come out.

The alternate idea was to braze material in the gash to fill in the depression and then grind it smooth. Then prime & paint.
http://rides.webshots.co...616244710106685404hAuiqu
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Please Register : To weed out spammers, new members may not post until approved. An email is usually sent after approval. This forum is for Marinette Owners and other aluminum boat boaters who wish to share boating information. Aluminum Roamer owners are also welcome. (Do not post content you do not have the right to post and mass (robots) posters are unwelcome. We also have a marine electronics page and lots of Chrysler Engine info. State by what permission you copy content and give credit properly.) The site is now fixed with some more Chrysler information. We have space for pictures on the new location. Use shinkpic to autochange size http://www.onthegosoft.com/sp_download.htm

Great Sites - http://www.marinette.com Marinette Company

http://web.me.com/dougmrose/Doug_Roses_Website/Welcome.html

http://fastjeff.tripod.com/ Repair Tricks and Techniques for Marinettes

http://www.greatlakesmarinetteclub.com/

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Docsnow
#2 Posted : Friday, August 13, 2010 2:04:09 AM(UTC)
Docsnow

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Unless U can find the proper AL brazing stick (#5086) I’d not go the brazing route do to the possibility of creating a corrosion point due to dissimilar metals. Anxious But that’s just my ½ penny’s worth. BTW that gash doesn’t go thru the hull does it Think

Norm,

Big BigMs Live On Applause
http://www.picturetrail.com/gid23690601 Try it now there's music to listen to while U view the Big M's

http://www.PictureTrail..../index.php?clubID=20726 this one for the Pix club


 You'll have bad times, but they'll just wake you up to the good times you weren't paying attention to

Some people try to turn back their odometers.Not me, I want people to know "why" I look this way.I've traveled a long way and some of the roads weren't paved.
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collins69s
#3 Posted : Friday, August 13, 2010 4:00:09 AM(UTC)
collins69s

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Geeze, if it's not through the hull maybe you should just leave it. It's a beauty mark, a reminder of tougher times the boat went through and survived in tact.. Plus, once you paint it will be even less noticeable.
Sean
SIFF SURF
1972 32' FB Express
Twin 318s
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Docsnow
#4 Posted : Friday, August 13, 2010 4:58:07 AM(UTC)
Docsnow

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Nice slide show presentation of your new found BigM I’m assuming the young lady in the picture
viewing the BigM is your wife as soon as I seen the look on her face it brought back nostalgic memory’s of my wife when see first viewed the project 74 BigM I restored back in the early 90s. She thinking with that same smile Geeezus what this gonna cost us Whistle than politely saying looks good but needs a little elbow grease. Anxious

Norm,

Big BigMs Live On Applause
http://www.picturetrail.com/gid23690601 Try it now there's music to listen to while U view the Big M's

http://www.PictureTrail..../index.php?clubID=20726 this one for the Pix club


 You'll have bad times, but they'll just wake you up to the good times you weren't paying attention to

Some people try to turn back their odometers.Not me, I want people to know "why" I look this way.I've traveled a long way and some of the roads weren't paved.
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fastjeff
#5 Posted : Friday, August 13, 2010 6:10:36 AM(UTC)
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I'd slap some good, marine epoxy on it and go boating!

Saw a 90 foot aluminum yacht that was in a fire. The filler (to make it straight) was over a 1/2 inch thick!

Jeff
"...reality is not nearly as lovely as the world of Liberal Land. No wonder so many people want to go there." - Tom Sowell
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Roger2
#6 Posted : Friday, August 13, 2010 9:15:04 AM(UTC)
Roger2

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My 2 cents: Even if not all the way through, the area is weakened. A good al welder should be able to repair that easly. Then fill as needed.

Roger
Sea Jay
1983 37 double cabin, twin 230hp Volvo diesels, twin disk 1.5-1 20X 23 4 blade props
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fishnatic
#7 Posted : Friday, August 13, 2010 3:05:17 PM(UTC)
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dont forget about the flamable stuff they sprayed on the inside of the hulls,you must abate it before welding.
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fastjeff
#8 Posted : Friday, August 13, 2010 11:11:04 PM(UTC)
fastjeff

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..."It is a deep impact but doesn't penetrate the hull,"

Such an impact area does NOT need to be welded, just filled. (See? I was paying attention!) The hull is not weakened by such an impact, though it will take quite a bit of epoxy faring compound to level it out.

To wit:

1. Sand the area to bare metal

2. Etch it with the Grudeon Brothers Method

3. Build up layers of epoxy fairing compound until it's level, blending into the surrounding paint.

4. Prime and spot paint.

5. Go boating!

Jeff
"...reality is not nearly as lovely as the world of Liberal Land. No wonder so many people want to go there." - Tom Sowell
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