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"boat yoga" is the term youre looking for
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https://imgur.com/uTxfLtZ.jpg Plan is 2" wide 2lb density poly foam boards cut glued together then glassed in, same process for the bulkheads. I hate how little storage my 20' has and would rather spend the $ and redo the stringers to get that additional storage below deck. |
How did the water get in those stringers? I've always thought that a sealed, foamed and tarred gas tank was the way to go but if water is going to make it's way in there no matter what that changes things.
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Great plan Noah!! Looking good!! However I was wondering how much you are paying the underage help?? :)
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https://imgur.com/d9FE1bS.jpg The bow sat pretty low on the trailer previously (it still sits lower than I'd like) and held water up front. When I first bought it, it was sitting on a slight incline on a driveway, enough to make the bow even lower. I had to use a jack and several blocks to get the trailer jacked high enough to get all the water out before I trailered it home. It drained for at least 10 minutes, full 3/4" stream out of the plug hole. I'm sure the keel up front had enough water in it to be up to those stringers, and I'm sure when I tilted the boat up some water flowed down the stringers vs down the bilge and became trapped. Who knows how many times this happened over the course of the lifetime of the boat. Quote:
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Wife had two weekends of weddings Fri/Sat/Sun (wedding photographer) so boat time was limited, but managed to get a little work done here and there.
Got the Starboard stringer cut open and defoamed: https://imgur.com/YxeXtWA.jpg Once again, stringer was full of water under the foam: https://imgur.com/raQnuVP.jpg https://imgur.com/zlve86t.jpg https://imgur.com/TOhBg3n.jpg All foam removed: https://imgur.com/iDaG1sK.jpg Knowing I'd need a way to dispense glass easily, I decided to throw together a contraption out of my scrap wood pile (and some 3/4" conduit): https://imgur.com/e8EYsdZ.jpg https://imgur.com/Omtptxk.jpg https://imgur.com/W6lcOUd.jpg https://imgur.com/t6Liwak.jpg Fits nicely in the corner of the garage and still provides plenty of access to the beer fridge: https://imgur.com/WfhL0pm.jpg And since I'm a weakling and can't curl 120+ lbs the old trusty HF low profile made an appearance again to load the roll of 1708: https://imgur.com/terfFvh.jpg I wanted it tall enough so it can hold 3 rolls, and I can put it near the transom and easily access stuff on the top shelf from in the boat. Problem is after I got it together I looked at it and thought "damn that looks tippy". Boxes on top are full of wood flour and cabosil (maybe 10 lbs total), and boxes on the bottom are full of 6 gallons of epoxy each. Until I put a huge dent in the epoxy it should be fine, I tested dispensing from each roll (including yanking on them) and no "tippyness" at all. I'll will probably have to revisit this as the epoxy on the bottom gets used up. Maybe some swiveling outriggers under the bottom shelf. Continuing in another post so I don't hit image limit... |
This past Saturday I sneaked in some time triming the lips that were left over from cutting out the stringers. Still needs to be ground down and formed. I plan on running at least 12" strip of 1708 along the length of the chines before running new stringers to beef that area back up cover and grinding nicks and cuts.
Before: https://imgur.com/iDaG1sK.jpg After (I tell you, these workers are always sitting down on the job): https://imgur.com/fhXKCF7.jpg Sunday I put in a few hours while the kids played outside and got the splashwell cut out. Needed to get this out so I can get access to the remainder of the stringers and be able to get the new stringer within a foot or so of the transom (will tie it into the transom once I replace it). Cutting the soles out adjacent to the splashwell to get access to the potter putty holding the splashwell to the top of the stringer. Starboard side was soaked and delaminated, popped right off, port side was basically brand new wood: https://imgur.com/SnteAmC.jpg https://imgur.com/SY3J1OK.jpg After marking and cutting the splashwell, I once again relied on the HF low profile to apply the needed leverage to make it pop (at 75lbs I'm getting tired of moving this thing into the boat, I'm really starting to get upset at 8 years ago me for not splurging for the aluminum one): https://imgur.com/Y0vl8DZ.jpg I knew there was some repairs done in the past to the splashwell area due to some core delamination in that area (and since the coring in that area was composite). Finally got a good look at that area with the well out. Looks like someone cut the bottom of the splashwell out, which corroborates a theory I have that someone recored PART this transom at some point and cut out this area to gain access. Whoever did it also added knees to the tops of the battery box "stringers" to support the new spashwell and tied them into transom. Fortunately for me the glass work for was REALLY sloppy and easily came apart: https://imgur.com/yBnWP9t.jpg The knees were glassed to the underside of the splashwell with a single layer of extremely resin starved CSM: https://imgur.com/83u9znd.jpg You can see the owriginal splashwell glass which the new core(s) was nested on top of: https://imgur.com/OfgjRjY.jpg https://imgur.com/WNOIzqI.jpg And where they tied it into the existing splashwell: https://imgur.com/SxRNaog.jpg Can also see the replaced coring (and the original lip) under the cut out splashwell: https://imgur.com/rUyWR4e.jpg I'll know for sure about the transom when I cut it open (after I get stringers back in the boat), but I'm pretty sure that the portion of the transom inside the yellow lines below was replaced at some point. I don't think the transom outside of those lines was replaced because wet wood is visible in the trim tab mounting/hydraulic holes: https://imgur.com/7oXgcwI.jpg Here's how she sits as of now (looking at this I just realized I still need to take that last coaming pad off): https://imgur.com/LoURLHg.jpg Lots of grinding in the near future. Thanks for looking! |
Naw you need to keep the coming pad there, your help needs a soft place to rest their heads!!! :) Looking good making nice progress!
I hope you and your neighbor are good friends, don't want to upset him. |
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Almost to the fun part! you will love the under deck storage space with the grid stringer system, worth every bit of work to do it
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Not a lot of photographic documentation from this weekend. Probably put in 8 hours or so of work on the boat across Sat and Sunday but it was mostly just grinding away the old stringer lips and getting that area ready for new glass. Weekend started off with an early end to the work day Friday for our annual site oyster roast. Though I prefer clusters when roasted, but I'm not going to complain when selects show up. I probably ate close to 4 dozen. https://imgur.com/OMMBApr.jpg Saturday morning I set to the task of cutting out the battery box stringers so I can get that area prepped for the new stringer. LOTS of nasty wet wood. https://imgur.com/q779u9t.jpg https://imgur.com/21BwKj7.jpg https://imgur.com/z1jlok7.jpg I had most of it out when the inspector showed up to make sure I was doing it right: https://imgur.com/jmtzgS1.jpg One side done, rinse and repeat for the other: https://imgur.com/sTdm2rH.jpg Farted around here and there but didn't get much else done on Sat, ended up taking the kids out to dinner and then enjoying the evening with wife and neighbors. https://imgur.com/305ksVI.jpg Sunday morning woke up slightly hung over, wife had a wedding she had to go shoot, but figured the best way to get rid of it was sweat it out. Got the kids dressed and set up with their ride on toys cruising around the cul-de-sac, suited up, and climbed in the boat with grinder in hand. https://imgur.com/rcTnzDQ.jpg Grinding, grinding, and more grinding. This was the only picture I took during, ya'll get the idea. Also the only reason those stringers are still in there is because they give me a place to sit, boat yoga sucks! https://imgur.com/KUjnloA.jpg A few hours later: https://imgur.com/OVjpS1B.jpg https://imgur.com/UeWe8w6.jpg https://imgur.com/KZdlVcA.jpg Definitely more grinding to do, but I made a sizable dent. Hoping to take advantage of the holiday week and knock out the rest of the grinding and prep work by the end of the week. Thanks for looking! |
This is the best time of the year to be working on boats. Work slows down a little. Seeing your young ones reminds me of when mine were that small. They wanted to help out as well. Get your self a bunch of painters spray socks to cover your face/head. Nice work thanks for posting.
strick |
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Not much photogenic work done this weekend, more grinding, pretty much done except for a few spots that I'm going to hit with some 60 grit sandpaper. https://imgur.com/ol8yOTQ.jpg https://imgur.com/8GgADM5.jpg Also got the rest of the stringers cut out and lips ground down: https://imgur.com/lrQxHIi.jpg Weather was nice Sunday so after washing my wife's SUV and my truck I gave the boat a bath to get rid of the dust, and any oil/etc that would prevent the glass from getting a good mechanical bond. Dawn and a pressure washer cleaned her up nice. https://imgur.com/Ph6BsgR.jpg https://imgur.com/ndkdnbB.jpg I had to grind out some voids in the hull bottom here and there, plan is to cut some glass to build those voids back up and then put a layer of 1708 along pretty much the entire bottom where I ground. Probably unnecessary and a waste of glass and epoxy, but I feel that it will a) give me peace of mind that I'm putting back what I ground out and b) give a good surface for stringer tabbing to bond. Also, the boat fairy (UPS) stopped by today and dropped of a present, my only Black Friday purchase this year, a case of 1/2" Divinycell H45 (25 sheets, 32" x 48"). This will be used for coring my hull sides since I'm not using the liner. At $28/sheet shipped I could not pass it up. https://imgur.com/3bJ1FUc.jpg Will definitely have an interesting mixture of composite material on this boat, so far I'm planning on (and have purchased materials for):
Finally a ran some numbers for my stringer layup and I'd like to get you all to QC it if you don't mind. The core is 2lb/ft³ poly foam, so I'm not getting any strength from it, just a form so the lamination schedule has to be strong to give me the longitudinal strength I need. I'm planning on 3 layers of 1708 (45/45) overlapping the stringers with 2" less wide each layer (48" wide, 44" wide, 40" wide), then I plan on adding an overlapping layer at 36" wide of triaxial (0/45/45) and a cap of triaxial at 14" wide. I plan on the triaxial to get some fibers running directly along the stringer (0 degree), which is where the load is on stringers. The triaxial I'm planning on using has 16.72 oz/yd² of glass oriented at 0, and 8.85 oz/yd² in each 45 direction, with stitching its listed at a total of 34.6 oz/yd², no mat, heavy duty stuff. Anyways, my research/estimate has the layup with a total thickness of 0.185", which is slightly less than the original stringers, but between the additional strength/elasticity of the epoxy (vs polyester) and the added strength of the biax/triax (vs woven/matt) the stringers should be overkill (which is what I want). In case that description wasn't clear, here is a depiction of what I'm talking about: https://imgur.com/jpWaHzx.jpg And here are some estimates about each layer, let me know what you think (yes, I over analyze and over think EVERYTHING). https://imgur.com/tveW1Ex.jpg Thanks for looking, starting to glass soon! |
Looking at the inside of your boat it appeared to have been snowing but then the roof tops in the background are clean lol. The keel stringer is oval...like PVC glassed over? ..I dont remember seeing that in other 23's....maybe I missed something?
strick |
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Couple people reporting they have the same in this thread. On mine the front section is completely clogged up, I tried to clean it out with the pressure washer but it is good and clogged. Gonna try to use a pipe snake and poke around a bit but might end up cutting it out so I can clean it out and then reglassing another cut in half PVC pipe. Waiting till I get stringers back in the boat though as currently its my only longitudinal stiffener. |
The lams are plenty stout... But trying to do all those giant wide pieces in the boat is gonna be a royal pain unless youve got 3 guys who know what theyre doing.
I would get them built/shaped and glass them outside the boat. Then do your tabbing/extra capping afterward. I would wrap 2x1708 to start before going into the boat. Then in the boat 2x1708 tabs followed by your triax tab (widths depending on stringer height and relation to triax cap overlap). Then do your triax cap getting a nice overlap over the tabbing. Wider tabs first... Wet the tabs out on a table, roll them up mat side out, roll back into the boat and hardroll. Let gravity wet it out for you on the table, and you also wont be bathing in resin trying to wetout those monster pieces on vertical stringer sides inside the boat! Same when you do the stringers outside the boat. Sometimes ill run some 3" drywall screws down a plank and set a long piece like that on edge when i want to glass both sides and cap it (top up of course) onto the screws which will hold it vertical. Then wet out on a table, roll up, roll onto stringer, done... Just something to think about, hope it helps... Chris |
Just a thought on lamination. I've always layered short to large during the build up, meaning basically the opposite of your diagram. This way, each lamination piece has "skin in the game" so to speak. If you do it the opposite way the bottom sheet is the only adherence to the hull bottom. doesn't matter how thick you lay-up the rest. Not criticizing, just my thought.
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Keep up the good work
Happy New Year!!
Tony |
Hey SEAPLUSPLUS,
Check your PM's and also you might want to get ahold of WGSCOTT. He has some leftover's you might be interested in and he is close. |
Anymore updates with this project? I am doing the exact same rebuild. Still gutting mine. Just wondering how it turned out...
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Great thread looking forward to seeing more
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He hasn't posted anything in years. I, too, have been wondering how it turned out.
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