1987 Bluefin Sportsman 1900 - The Fun Begins

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

I think most everyone get by with just a Quart of the Gluvit. Seems like it goes a LONG way. You can get the aluminum drain tubes right here on iBoats...
1-7/8" Aluminum Drain Tube - Moeller 021002-188D - iboats

Lots of methods used here on the forum for patching. A lot of guys use 3M 5200 and then fabricate aluminum sheet and rivets to sandwitch the 5200 between the two plates. Simple and effective. I'm not a "Tinner" so I'll let them speak to the patching in more detail.
That draintube looks like the ticket! Thanks
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

After you get it patched up I would consider mounting one of these for future transducer mounting,...

Cabela's: Cabela's Transducer Mounting Plates

I have seen some homemade mounting boards made out of cheap plastic cutting boards,...
Good idea, will be using something like it. Like the cutting board idea. Will see if it is a more ''frugal'' possibility. Thanks
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

IMG_20130424_181931.jpgSo the postman came today and look what he brought...a new dash panel that I found on fleabay for what I thought was the good price of $107.50. I know we got a long way to go before we get to dash work but I'm trying to acquire things as perceived opportunity knocks. Initial plan is to use gauges, switches, fuse block and harnesses. The panel itself I don't see in the boat as of yet...but who knows. The gauges that are on the boat are a little too 80's futuristic for me. I will get a picture of the later as we demo floor and consoles.
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

Well UPS stopped by today with epoxy from US Composites. Really looking forward to the weekend, if things go right maybe I can get out of work early.
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

We made some more progress on the re-do this weekend. Flew solo for most of the time on Saturday. Was able to get the interior out. Salvaged a handfull of aluminum hinges, various lengths of aluminum angle and flat stock, and a bunch of decent fasteners. Also removed tie-downs, rails and other misc stuff attached to ganwales. Today we tackled carpeting and what was left of floor. Nothing was good enough to save as templates so I'm sure that will add time to the new floor. Boat had a ski locker and that seems to be where the rot started. Also turns out that anywhere there wasn't foam was where the floor crumbled. Bow mounted fuel tank came out without muck trouble. I'm thinking about a belly tank where the ski locker was and losing the bow tank. Am also thinking about batteries for trolling motor going up front where fuel tank was. Any input or thoughts on those relocation/additions would be welcome. We also got most of the foam out. Thanks to PMC and his resto thread on his Great Lakes Special, we went after the foam, carefully, with shovels and it came out in some satisfying chunks, for the most part. IMG_20130428_165625.jpgIMG_20130428_150414.jpgIMG_20130428_150345.jpgIMG_20130428_165542.jpg
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

IMG_20130428_165612.jpgIMG_20130428_162754.jpgAfter taking things apart I will say that I'm not super impressed with how things were put together. Screw heads stripped, double screws if they weren't lined up correctly, broken pop rivits and the like. Doesn't really matter if we are going as far as we are going, but is this typical or not. Guess like in anything you get what you pay for. I had read somewhere here on iboats that bluefin was a decent boat for a time but that quality had gone down. Got our first decent cut today.I was carrying some aluminum angle to the back of the boat, stepped on a soft spot and stumbled. Had my hand on the end of the angle when I reached to catch myself the angle hit the back of the splashwell and sliced my hand. After the blood letting, Joe administered the super glue and bandage and we were back at it, though this time with gloves. As you can see from the rest of the pictures things are moving along.IMG_20130428_162802.jpgIMG_20130428_213237.jpg
 

jbcurt00

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

Once the blood letting has occurred, it's officially a tin resto :cold:

Bluefin used 'normal' pop rivets originally? Interesting...

Like many things, doing this for YOURSELF & your own family's use, time, cost & attention to detail come together entirely different then they did on a production assembly line.

No doubt it'll be a great boat post rebuild!
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

Question of the day. Or at least the first. The stringers that were in the boat were of thin gauge aluminium. They formed the 2 long sides of the ski locker. When the foam was installed the stringers were pushed out of shape by the expansion. Both stringers were rivited to the ribs the whole length, originally. There was maybe 4-6 rivits that were still holding them in place but that was all. When I put this back together I was planning on using foam board from the box store. My thinking was that once I straighten them, to attach sealed plywood to the vertical face of the stringer to provide some rigidity, and then come off of the stringer at 90 degree angle, with aluminum angle every 16'' or so, depending on rib spacing. The thinking here is that something needs to provide support for the floor now that the expando foam is gone. The aluminum framework would seem to do that and give me something solid to attach floor to. Pros/cons other ideas on how to skin the cat.
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

Thanks for stopping by jb. I say pop rivits because that is what they look like. Not sure. The rivits that hold the hull together are of course the ''buck'' style. But most everything that is inside boat is various sized ''pop'' style.
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

IMG_20130429_172120.jpgIMG_20130429_172131.jpg​Here is what was left of the interior going into the dumpster. Hopefully we will be taking the bags of foam and what was left of the floor tomorrow. Hope all is going well with your projects.
 

64osby

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

On the flooring plan - I would try and keep any wood out of it. The foam is pretty rigid, maybe use some to provide the support for the stringers. The supports on 16" sounds like a great idea, if you teamed that with some "expert" foam cutting and sizing, you would have a supported floor.

You mentioned the quality of the original build. There haven't been Blue Finn builds on the site. I have heard comments about a lack of quality. It appears you are living proof. It's interesting to see and hear how it was put together.
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

On the flooring plan - I would try and keep any wood out of it. The foam is pretty rigid, maybe use some to provide the support for the stringers. The supports on 16" sounds like a great idea, if you teamed that with some "expert" foam cutting and sizing, you would have a supported floor.

You mentioned the quality of the original build. There haven't been Blue Finn builds on the site. I have heard comments about a lack of quality. It appears you are living proof. It's interesting to see and hear how it was put together.
I think I'm picking up what you are putting down regarding the wood out of the equation. After seeing how the expando foam distorted the stringers I was wanting to reinforce them. Since there was no structure comining off of the stringers to the sides of the boat my thought was to rivit a 1 1/8x1 1/8 x1/8 channel to the wood re-enforced stringer, attach a 1x1x1/8 square tube to that and then rivit the other end to the rib as it meets the gunwale(?). If I was to use foam which is certainly rigid enough, I don't think I will have the anchoring strength that I would have if it were epoxied plywood. I. could just rivit the square tube to the stringer and attach other end as planned but was wanting to be sure things were stout. I have been accused over over building things in the past, but I am happy with them when they are done. Besides that I am a rather large human. Is the concern about wood rotting under deck? I thought when sealed with epoxy the wood becomes ''super wood''.:rolleyes:! I was planning on keeping the plywood slightly narrower than the stringer height so it would not contact boat ribs. Let me know if any of this makes sense or if it has any bearing on your thinking. Thanks for the input.
 

64osby

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

Any wood under the sole (floor) in a tin boat is not a great thing IMO. There are many rehabs here that add side supports like you are talking about. The stringer provides support and gets it's strength when it's attached to the sole and the ribs. Kind of like a wall gets it's strength when the sheet of osb or plywood is attached.

Rivets or screws should grip enough unless it is a real thin piece of aluminum.

I think adding plywood would add to the attachment strength, if you could hit it with screws, but it also adds additional weight.
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

Any wood under the sole (floor) in a tin boat is not a great thing IMO. There are many rehabs here that add side supports like you are talking about. The stringer provides support and gets it's strength when it's attached to the sole and the ribs. Kind of like a wall gets it's strength when the sheet of osb or plywood is attached.

Rivets or screws should grip enough unless it is a real thin piece of aluminum.

I think adding plywood would add to the attachment strength, if you could hit it with screws, but it also adds additional weight.
Gothcha, I forget about the weight factor. Hopefully this weekend will find me getting the last remnants of foam and carpet out of boat, and then on to some cleaning and prep for the gluvit. Still have some body work to straighten out where po backed into something at rear port cormer. Got a glob of jb weld or something there hiding damage. As long as were making forward progress life is good. Thanks again for input.
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

So I guess we are at that phase of the project when you look at the boat at the end of the day and say, ''it doesn't look like much progress but we spent a bunch of time doing something.'' Today we tackled the dent and suspected crack in the port side stern. We were not disappointed. The po must have backed into something at some point and then decided to glob JBWeld on it and call it a day. I thought I could get the dent out without pulling the rivits for the bottom channel that the transom sits in. Wrong. So we drilled out the rivits for that and also the port side vertical channel and had at it. After hammering and dolleying it came out ok. I will get it down to our shop and have the aluminum welded where the cracks are then re-rivit everything. As you can see from the pictures the accident happened at the corner where every thing is rivited together. Will be drilling out any questionable rivits, replacing, sealing, then gluvit.IMG_20130504_164906.jpgIMG_20130504_164859.jpgmoreIMG_20130504_172124.jpg pictures in next post.
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

As I hope you can see in the pictures the rough straightening came out decent. We also spent time removing the carpet remnants and the remaining foam. Shouold be able to clean up any small foam residual with wire wheel/brush. Next is to get glue from carpet and such removed. We also spent time removing interior and exterior gunwal aluminum trim off of boat. We were then able to strip carpet from top of gunwale. Forward progress, just not the big changes you see when you pull interior ar floor boards. Hope everybody's projects are going well.IMG_20130504_190620.jpgIMG_20130504_190627.jpgIMG_20130504_194959.jpgIMG_20130504_195006.jpg
 

Teamster

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

Wow,........

Nice work on the dent repair,...

I didn't expect it to look that good,......
 

lokonn

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

Thanks guys, pictures show it better than it really is, but it is where it needs to before we weld or apply any filler. We also found this under the last piece of wood and foam. IMG_20130504_192923.jpg I am assuming this is from factory and on the initial leak test they found a leak. Anybody else found messages inside their boats? We'll find out if it got fixed when we get to leak test of our own.
 

64osby

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Re: 1987 Bluefin Sportsman 1900 - The Fun Begins

No written messages, but my boats are whispering to me.

It's warm. Take me out, go fast, have fun.

Too many projects around the homestead. :grumpy:

Nice work in the dents. You may consider not welding, unless it was welded before. Riveted boats are not made to be welded. The heat can weaken the aluminum and it will crack in that area after a while.

Just seal it up with JB weld or gluvit
 
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