$@# Fiberglass Boat Building And DIY Guide &^@!

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It are grumman aluminum boats good night not display this or other websites correctly. You should upgrade or use an alternative browser. Leaky Grumman aluminum boat. Thread starter vintageglass Start date Sep 12, Joined Nov 22, Messages In I bought a brand new inght Grumman 14SS, I used it for about a month before buying a larger boat, thinking that it may come in handy some day I stored it rather than selling it. Its sat in my shop upside down atop of one of the pallet racks every.

Having found a good are grumman aluminum boats good night 10hp motor decided to pull it down and put it back in use. Keep in mind this nighf was 4 to are grumman aluminum boats good night weeks old and in mint shape when I put it away.

I hung the motor, to my surprise the transom wood was like paper, it crumbled just by touch. I take the thing down to the nearest lake and slide it in, to my surprise it leaks like a sieve. The seam around the transom leaks severely, it leaks right down the keel from the bow eye to where the one piece aluminum hull are grumman aluminum boats good night, and it leaks at about a half dozen rivets.

The transom seam is loose, there's some sort of rubber in between the panels, that rubber looks like thin foam, and its turned to dust. The same I guess for the front seam that forms the V bow. I also noticed after pulling the boat back out that about 30 rivet head popped off.

At this point I'm in shock, the boat has never seen salt, I bought it in PA years ago, I only recently moved to NJ and worse yet, the boat don't have 40 hours of float time on it. It never leaked a drop back when it was new. What is the proper fix for that seam? What I notice is that the gap between the transom panel and the hull isn't even, the gap is greater around the corners than along the bottom and sides. I tried putting a bolt and washers in a few holes bots draw the panels closer but its not happening.

What is the proper fix? There's about rivets in all if I were to have to grummsn every one in the transom, not to mention the loose and missing rivets up.

The boat was stored indoors, dry, in a heated building atop of warehouse shelving. The rivets look are grumman aluminum boats good night, there's white chalky stuff all in between the panels.

The rest of the boat looks new. How do I support and buck rivets that are under severe tension? If I try to compress the panels on the transom to close the gap, the are grumman aluminum boats good night will be under severe stress, and only a few of them at. On the transom seam, there's 7 rivets loose on the right side, 3 missing, on the bottom there's 5 missing, and on the Are Kencraft Good Boats 2020 left side there's 4 missing and all below the water line are loose.

Even the rivets for the bow eye popped off, the heads just popped off, but the bow eye stayed in place anchored by the remaining parts of the rivets due to the angle.

When I released rope tension on the winch the bow eye fell to the floor. The boat has never been used with a big motor, it never had more than a 28lb trust trolling motor. What would make a hull or the rivets and rubber between the seams degrade like this? I've got another much older boat that never leaked a drop in 30 years. Having an aluminum boat pop all these rivets all at once is a new one to me.

I am about apuminum 50 lbs heavier these days but the Are Jet Boats Good For Wakeboarding Quote boat can handle over three times my weight, and this trip, I didn't get past sitting down in the boat to realize it was taking on water in a big way.

Joined Mar 19, Messages 8, Re: Leaky Grumman aluminum boat First thing I'd do would be pressure wash as Are Triton Aluminum Boats Good Edition much of the seam gaskets out that I. I'd replace the bow eye rivets with stainless steel hardware. Joined Lauminum 19, Messages 3, Re: Leaky Grumman aluminum boat I've always preferred the end result and look of using stock type solid rivets, but if there's a gap are grumman aluminum boats good night needs to be closed, maybe aare few closed end pop rivets may be the ticket.

I use Gluvit on every seam and rivet in any aluminum boat, its cheap insurance. Just remember you alumimum to paint are grumman aluminum boats good night Gluvit since it will degrade fast with UV exposure.

Re: Leaky Grumman aluminum boat All of the rivets are exposed but I'm not sure I can get any real pressure on the inside of them to compress a solid rivet.

Most of the transom rivets are withing a 3" wide gap or channel inside. There's a welded on shelf or ledge across the lower part of the outer transom skin on which the wood rests, there's just no room to hammer the back side of a rivet. Also, they sell those in both steel, stainless steel, and aluminum mandrel types.

Will an aluminum mandrel apply enough pressure? My concern would be that if I used stainless steel there are grumman aluminum boats good night be issues with dissimilar metals. I personally use and are grumman aluminum boats good night the aluminum rivet with xre steel mandrel, these are the strongest rivets and they pull the tightest and seal the best.

I use these rivets on my boat and they're very strong. I haven't had any dissimilar metal issues with the little steel BB that stays in the rivet after the mandrel pops off. These rivets will be the quickest and strongest fix for your boat and I'll bet money they're stronger than the factory rivets that are in your boat. Star Chief Petty Officer. Joined Sep 21, Messages Re: Leaky Boaats aluminum boat The problems that you describe can be fixed for sure.

The gaps you describe seem unusual for a new stored boat. As the boat manufactures found ways to cut costs there was a period of time that they went overboard. I would not waste time and money on this hull. These joints pulled appart sitting in storage what about the rest of them?

Get a micrometer and measure the are grumman aluminum boats Are Aluminum Boats Good For Saltwater Lab good night of the aluminum in your boat. The older boats were built like tanks and the alloys were high quality. Re: Leaky Grumman aluminum boat I like the idea of the pop type rivets, but am debating on the aluminum vs gru,man mandrels.

I was able to just tap out the old rivets, they weren't stuck at all, most of them turned to dust as I hit. Nearly every rivet in the transom seam is suspect, I tapped on a few more and they all just fall apart. The surrounding metal is perfect, shiny clean aluminum.

The inside of the hull is painted with gray speckle paint, nearly every last inch of that paint is peeling off or blistered, the wood seats, and transom all look fine but they crumble like dried paper when touched.

I tried calling Grumman to find out if they had any issues back then with rivets, but couldn't reach anyone at the new Grumman either by phone or email. I also have a smaller Grumman boat, a 12' that's about 5 years older and its fine, it was sitting right next to the 14' hull that has all the problems.

What bothers me most nighy that this boat looks brand new on the outside, not even a scratch. What gets me is that I'm not near grimman salt air, the boat was are grumman aluminum boats good night in a heated building covered with a cloth blanket. Its looks new in every way. From what I've always understood, Grumman was always pretty much top of the line when it came to aluminum boats?

The simple fact that this is happening has me seriously puzzled. The dealer who sold are grumman aluminum boats good night to me now sells another brand, he told me he never once had to repair one of these hulls, he even offered to look at it and supply the labor for free but I'd rather do it. He also said that he believes that these were made by Lowe in those years, not the original Grumman company?

I like the lay out of this boat, I bought it because of the open floor, aluminm, and storage boxes. I doubt I'd find another boat like this one. Re: Leaky Grumman aluminum boat The stainless steel rivets are all stainless, mandrel and rivet. People tend nigt get a little carried away with the dissimilar metals thing.

Go and look at any higher end new aluminum boat and there will be stainless steel fasteners all over that thing The cost difference was minimal. I'm thinking that the strongest with the least negative dissimilar metal issues would be the aluminum rivet with stainless mandrel. The dealer that sold the boat originally said that the best bet would be to buck in new original rivets. My concern is being able to get at the back side of the rivet.

There's only an inch between the inner panel and surrounding metal inside.

Main point:

The total catalogue is upon this website. Scholar Exercise: Have 6 utterly opposite shaped boats regulating a single square of foil each. I hoped for are grumman aluminum boats good night additional scenic??time of a Twelve months for a lass since it seems to be the lot nicer upon a Napa stream in a summer, we vrumman be rewarded handsomely with prisoner monsters (and bullion coin), as well as have been able are grumman aluminum boats good night take really younger youngsters sailing (keeping a small ones underneath in the scrupulously padded.

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rows�� Created in , Grumman Boats was founded as manufacturer of aluminum boats and . Sep 20, �� In I bought a brand new aluminum Grumman 14SS, I used it for about a month before buying a larger boat, thinking that it may come in handy some day I stored it rather than selling it. Its sat in my shop upside down atop of one of the pallet racks every since. Having found a good Estimated Reading Time: 7 mins. Boat Trader currently has 1 Grumman boats for sale, including 0 new vessels and 1 used boats listed by both private sellers and professional boat dealers mainly in United States. The oldest model listed on Boat Trader was built in and the newest was built in

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