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Strut and driveshaft replacement

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Bremsen View Drop Down
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    Posted: March-17-2008 at 1:07pm
Pete, I follow you. I'll see what I can fab up with some plastic to get the strut properly positioned. Once that in place I can hook up an indicator to check runout at the prop end.

Eric, ok I understand. Trust me, I see people working on things all the time that they have no business messing with.

Thanks for the suggestions guys.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote eric lavine Quote  Post ReplyReply Direct Link To This Post Posted: March-17-2008 at 12:36pm
well there are 2 points here and they are not completely directed towards you, alot of guys are not capable of doing what your doing and i use the insurance angle as an option for them because i dont want them to assume insurance does not cover the equivalant of a car wreck, as to a prop hit. they may assume its not covered and pay out of pocket. and you also can work with the repair shop on the cost of repairs to the value of the boat. i guess its meant to be read by everyone and if they dont have the repair it themselve option they wont have to pay out of pocket for the repairs
"the things you own will start to own you"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: March-17-2008 at 12:33pm
Ryan, For strut placement, I made myself a hard nylon bushing to replace the cutlass bearing. This removes all the slop from the rubber and you don't need to sort of guess that the shaft is centered/concentric in the strut. I'm mentioning this because the strut position is located with the shaft in the strut and the other end centered in the hole in the bottom of the hull.

Edit: If you don't have a means of making a plastic bushing, you can get some cheap "oilite" bushings and press them into the strut. You may need to ream the 1" bore depending on the shaft OD. When done, cut the bushings out with a hack saw just like you would remove the cutlass.


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77 Tique

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Bremsen View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bremsen Quote  Post ReplyReply Direct Link To This Post Posted: March-17-2008 at 11:38am
Eric,
I have a brand new strut, it just doesn't quite line up with the old holes. I'm not really interested in paying to have my old one straightened unless absolutely necessary. I already spent money buying new. My question is how to get the new strut to fit? At this point I think I'll take Petes advice and fill/re-drill. The holes are not off by much.

I was able to turn the prop just fine (one-handed) and there really wasn't much vibration....at least not enough for me to think something was seriously wrong. Honestly, for as bad as the strut looks the alignment wasn't that bad off. I'll check the coupling next time I'm up, but nothing looked out of the ordinary on that end. I'm sure there is probably damage to the trans but that is another expense for [hopefully] another day. Right now she shifts/drives just fine.

Again, you bring up insurance. Is boat insurance different than a car? b/c if I go by your numbers they would simply total the boat. Also, this happened before I purchased the boat....so I'm guessing my insurance probably doesn't cover it. Eric, I do value your input, but lets be realistic here. If it were a newer boat worth $20k or more I would definately consider the insurance option, but on a boat that books less than $7k, just about any significant damage would total it. The insurance is only there to cover lawsuits and/or medical care I might incur if I were involved in an accident.

Besides, I enjoy fixing things myself and I plan to keep the boat for a long time. I'm hoping my first born (due in Aug) learns to ski/board behind the little CC.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote eric lavine Quote  Post ReplyReply Direct Link To This Post Posted: March-17-2008 at 10:28am
you can have the strut straightened in a press, when you bolt it up though put the shaftt down through it to keep it straight with the shaft as you tighten the 4 bolts, this gets your side to side pretty close, that took one hell of a whack i see,
were you able to turn pryor to removal? also check the coupling on the shaft end if it is loose and looks like there is rust in between the coupling and the shaft then it is bad

by the time your done by looking at what you have going on the insurance company wouldve went about 6k on those repairs and would have allowed the trans to be pulled and inspected, also would have allowed a new damper and so on.... im not saying turn everything into the insurance company but with the damage you have it does warrant such. there has to be some type of damage to the back of that trans with the strut bent like that
"the things you own will start to own you"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: March-17-2008 at 7:26am
Ryan, I would epoxy (with filler added) up the old holes and then re drill the holes. You will need to be very carefull with the fore to aft position of the strut. Check before drilling new holes.

Edit: No one answered the polished shaft at the cutlass bearing question! Sorry, Mike it out and compare the OD to a original area. I doubt it is worn and if a couple thousand's under it would still be OK. How did you check the shaft for straightness? Remember that using the feeler gauge between the coupling halves will only check straightness down to the cutlass and not in the prop area. Get the shaft into some V blocks and check it out with a dial indicator.


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Bremsen View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bremsen Quote  Post ReplyReply Direct Link To This Post Posted: March-16-2008 at 11:37pm
Boat dr, haha no worries. You're a *************** cat compared to 79. It could probably be straightend by a prop shop, but I already have the new one. I figured it would bolt up but as with many other things on boats of this vintage that is rarely the case.

And yeh...I'll be waiting for Eric to chime in, I'm sure its just a matter of time before I see trans issues. That has been on the boat since I bought it in June of 05 (~150hrs).
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Post Options Post Options   Thanks (0) Thanks(0)   Quote boat dr Quote  Post ReplyReply Direct Link To This Post Posted: March-16-2008 at 11:11pm
Bremson, sorry , I stand for the lashing , please only ten not the twenty normaly used for stupid answers.....LOL
I assumed you were talking of elongating the strut and not the "glass".I wonder as to why the holes are that far off?????
That drive took a Hell of a shock to bend the strut at that angle...Eric has posted before on the subject of failure down the road of some tranny related parts,drum and plataries maybe. Maybe he will chine in and alert you as to these issues..
That is a hard call as to modification of your boat or try and find the "CORRECT" strut...........Boat dr
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bremsen Quote  Post ReplyReply Direct Link To This Post Posted: March-16-2008 at 10:57pm
Boat dr,
Trust me, if it was that easy I would not be posting the question. I want to fix it the right way, so it may not be easy. It may even have to go to a pro. Maybe I should take a pic of the area for the experts to decide if I need to make further hull repairs. Here is the first problem....the strut that I pulled off:


Can you believe this wasn't caught on the survey? Sometimes I wonder if they even looked at the f-in boat. Anyway, that is why I purchased a new strut.

Buffalo, I didn't see any water or wetness to speak of. The exposed glass was a little dark looking where the chips were in the gelcoat. My trailer is sitting on a good incline so it would definately drain if there was significant water.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BuffaloBFN Quote  Post ReplyReply Direct Link To This Post Posted: March-16-2008 at 6:56pm
This is gonna sound dumb, but did you see any water at all when you pulled the strut? I got an unpleasant surprise when I raised the bow and made the strut location the low point.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BuffaloBFN Quote  Post ReplyReply Direct Link To This Post Posted: March-16-2008 at 6:46pm
I feel for you Ryan...mine turned into this. There was a surprising amount of glass separation that had to come out and it took some time to dry after I had it opened up. Hopefully your's didn't sit in the water for a long after the impact like mine!



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Post Options Post Options   Thanks (0) Thanks(0)   Quote boat dr Quote  Post ReplyReply Direct Link To This Post Posted: March-16-2008 at 6:44pm
Use the stock strut and replace the cutlass bearing only,a lot cheaper and no issues with half assed job .Do not elongate the holes, you will have a simple job now , do not complicate it further. in stall new bearing 5200 to seal and get a good bond finish the simple process of alignment.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bremsen Quote  Post ReplyReply Direct Link To This Post Posted: March-16-2008 at 5:58pm
OK, I got the coupling loose and verified that the shaft is not bent, but it was out of alignment. I pulled the prop and the existing strut off. Now I have a question and a problem I could use some advice on.

Question: The shaft is very polished and I can feel unevenness in the strut area, like its slightly worn. No deep gouges or anything though. If it were a metal-metal bearing I would want it surfaced, but I'm not sure if its enough to warrant replacing the shaft. I mean, it is riding on a rubber bearing. Is this cause for concern?

Problem: I purchased a new strut+bearing off ebay. I verified that my stock on was stamped S-19, just as the auctioned item. When I went to pre-install the new strut I noticed the mounting holes are slightly off. Side2side it's workable, but lengthwise its off by ~1/4". There are also a couple small chips in the gelcoat underneath the strut and a few spider cracks around the area (prev owner must have hit something hard), but the actual fiberglass seems very solid. Can I just elongate the factory holes slightly to fit the new strut? Do I need to fix the gelcoat or will sealing it with 4200 be enough? Any other repair needs/ideas?

TIA

-Ryan
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 84bare12 Quote  Post ReplyReply Direct Link To This Post Posted: March-16-2008 at 4:21pm
There's no repair there, I have an 84" barefoot and it looks the same, and the boats never been touched. that is stock!!!   Also in 84" the shaft is 1" by 41" stock.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Footer Quote  Post ReplyReply Direct Link To This Post Posted: March-03-2008 at 5:36pm
Thanks guys!
I will look at the edge closer. Sure looked like plywood to me. I didn't think any repair had been done. About the valve, that is the way it came. I don't use it. If you look at clamp, that stem is a T-handle. I disconnect the hose and use another piece of hose with pipe nipple, run it over board into a 5-gal bucket. Then run 2 garden hoses to keep bucket full. I can only idle engine else bucket will empty.
Hey BuffaloBFN,
Now that I go back and read your post, I can see how the valve works because my water pick up is covered by a bunk also. I thought what a bad idea because if trailer backed into water just a little bit the pick up would be blocked. But I realize when boat starts to float even just a little bit, the intake will not be restricted.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BuffaloBFN Quote  Post ReplyReply Direct Link To This Post Posted: February-29-2008 at 9:12pm
I'll have to look into a check valve. I've been pulling the hose from the strainer on the RWP side because my intake is directly over a bunk. I'd like to come up with something cleaner while I have the whole thing pulled apart.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: February-29-2008 at 8:54pm
Originally posted by BuffaloBFN BuffaloBFN wrote:

Anyone else like that garden hose hook-up?


It's missing a check valve to the thru hull but do remember that Tim has said his set up sucks some air too but works. My fake "Fake-a-lake" still works!!


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Post Options Post Options   Thanks (0) Thanks(0)   Quote BuffaloBFN Quote  Post ReplyReply Direct Link To This Post Posted: February-29-2008 at 8:50pm
Footer, my '88 looks just like that.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BuffaloBFN Quote  Post ReplyReply Direct Link To This Post Posted: February-29-2008 at 8:49pm
Anyone else like that garden hose hook-up?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: February-29-2008 at 3:13pm
I guess what looks like a repair because it doesn't match the texture of the rest of the hull is because it is cut out and glassed in after the hull is removed from the mold. Almost every one looks like that in the bilge area to a degree. I would be worried if it all looked the same inside of the bilge as that is a sign someone has done glass work or stringer work and covered up what the factory did orginally.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: February-29-2008 at 2:17pm
Originally posted by 79nautique 79nautique wrote:

what plywood? that's all glass and gel-kote looks all factory to me.


I agree, you are looking at layers of glass that look like plywood.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: February-29-2008 at 2:12pm
what plywood? that's all glass and gel-kote looks all factory to me.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Footer Quote  Post ReplyReply Direct Link To This Post Posted: February-29-2008 at 2:08pm
Finally got some pictures of my propeller port on my '87 Barefoot Nautique. I think this is the way it was built. Pic #1 is whole port, bow is to the right. The port is brass. 2&3 are closer look, tan part is glass mat from assembly and was installed after hole was cut. 4 is the bilge. 5 is close up of port mat that meets the hull. 6 is picture of same mat work done in front of engine for the bilge pump mount. I included that because it looks identical in work to the port. Previous owner says no work was done by him. Ron Scarpa was first owner and used in his business for a year. If it was a repair, I am amazed at how fresh the wood looks. Boat was always stored in dry dock.


PICTURE 1

PICTURE 2

PICTURE 3

PICTURE 4

PICTURE 5

PICTURE 6
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lorenr Quote  Post ReplyReply Direct Link To This Post Posted: February-15-2008 at 4:10pm
Alignment of the strut.

I went through this once with a reputable propeller shop and found that all they do to straighten a strut is mount it in a fixture and use an old shaft to align it. They just bend it with a bar and tell you to finish the job after it is mounted in the boat.

We can do the same thing without even removing it from the boat. That is unless you tried to drive the boat over a stump.

1. Use a good shaft and align it to the transmission flange. If it is off, then adjust.
2. Use an old shaft to bend the strut in the direction of misalignment. Over compensate as needed.
3. The most difficult part of this is getting the feel of the process.
4. I would of thought that the strut would have required heating, but not so.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Footer Quote  Post ReplyReply Direct Link To This Post Posted: February-13-2008 at 2:23pm
Thanks 79nautique & 8122pbrainard,
I will post a picture next week. The boat is up at lake and will be bringing it home this weekend.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: February-13-2008 at 9:19am
Footer, Take a closer look at this plywood you are seeing. You may be correct that at one time the boat got damaged. From your description, to me it sounds like a amateur repair was made and plywood was used on the inside of the hull as a reinforcement. If so, it is not a sound method. Extra layers of glass and epoxy resin should have been used. Post a picture.

Welcome to the site and happy footing!


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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: February-12-2008 at 5:32pm
1" is the right size and there is no wood in the hull just on the inside between the hull and floor.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Footer Quote  Post ReplyReply Direct Link To This Post Posted: February-12-2008 at 5:22pm
Hey guys,
I was wondering what diameter prop shaft you have. I have a 1987 Barefoot Nautique with 454 in it. I bought it 2 years ago. My shaft dia is 1 inch. Should it be a 1-1/8 inch dia? Do you know what the '87 BN boats were built with (new)? Also, I was looking at prop port and can see plywood edge of the hull, no glass or gelcoat covering it. This has me wondering if boat was damaged. The hull has no other markes or cracks around this area, doesn't look like prop struck bottom of hull either.
Thanks
'87 Barefoot Nautique
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Post Options Post Options   Thanks (0) Thanks(0)   Quote eric lavine Quote  Post ReplyReply Direct Link To This Post Posted: February-06-2008 at 12:24pm
Bremson, my point was from a different angle, you shouldnt have to be fixing your own boat, look at it from the angle of taking it into the shop, from what your telling me and from what im reading, if i did an estimate on your boat it would be in the 4500.00 to 5000.00 range and the ins. co. wouldnt even bat an eye. did you inspect the hull for cracks or chips? this all has to be factored in, i get alot of guys with the same exact scenario that you are in, they are fixing thier own boats as cheap as possible and they have insurance and large deductibles, you can work around the deductibles very easily by talking to the repair shop. or do get an estimate and then perform the repairs your self.
Im not saying this is the case everytime but just trying to educate boatowners that you pay insurance for a reason and this reason falls under its guidelines.....if you hit another car with your car what would you do....fix it in your garage? no you would turn it in to your ins. co.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bremsen Quote  Post ReplyReply Direct Link To This Post Posted: February-06-2008 at 11:54am
Eric, no insurance on this one. With the deal I got on the strut the total cost will just barely be over my deductible. I was just curious since if the double tapered shaft is worth the extra cost due to ease of installation. The whole pressing, heating, cooling stuff never seems to work for me. Something always goes wrong. I appreciate the installation instructions. I'm hoping it goes smoothly.

Pete, the strut I bought was a NOS item and has the cutlass already installed. The strut on the boat is visually bent (~1/8-1/4") so replacement is necessary. The shims you speak of and getting the new strut to line up with the shaft was the reason for my post. It got me worried this project might not be cut and dry.

thanks again fellas.
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