BUILDING UP LOW SPOTS OF THE TRANSOM WITH FIBERGLASS
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- เผยแพร่เมื่อ 5 ก.ย. 2024
- Sometimes simplicity is the best approach and that happened to be the case here, so thank you for your suggestions last week ;-)!! Overall I think this is going to work out pretty well, but there's still a few details to hammer out (nothing too difficult I don't think lol). Famous last words right??!?!
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WOW, is that transom going to be strong. So glad you started digging into it and making it right. I am learning so much from this project alone, thank you
Andy and Mads - my two Sunday “must-sees”.
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Mads,”What? No “Oh Glorious Sanding” in this episode?”
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Happy Birthday 🎂🎊🎉🎁🎈 to your daughter!
Andy, you're such a nerd! I love your channel and learning from your style of videos/teaching. Your personality and methods of instructions are perfect for a fellow boat nerd like me. 👍
Me three.
This video was helpful for me. Thank you so much. I’m planning for perfect deck fibreglass and a few areas of build up are needed. Also watching how you thoroughly mix the putty is such a practical help. Amazing skill, articulate and very pleasant to watch. 👍👍
"Here" we make that "structual putty" ourself.
We just mix up some poly with mekp and add as much cotton fibers so that the mixed up resin get the suitable thickness.
That way you for sure gets a better mixed resin and its going to be at the desired thickness (thicker for bigger voids, thinner for finalising).
Also we fill longer seams or glue for example floors onto stringers by putting that "putty" in the bags you use in the bakkery for whipcream etc, works very nice for such applications.
Now I think about it, maybe your curing time was longer than normal beqause the fibers in that putty are saturated with poly but not with mekp.
I really appreciate the origin of this section. Getting that outboard conversion right after the fact is lot of work but its made for informative content and sets a standard for others who might give it a try. Great work. Also very glad that simplicity won out. We can all use and benefit from more of that.
We still sand polyester laminating resin layers, but it mostly to knock down any stray fibers that may be sticking up that would interfere with the next layer of fiberglass. If you have a hardened fibers sticking up, they will cause air bubbles in your next layer because you wont be able to get the fiberglass to lay flat over the previous layer.
I have become addicted to this channel now. I plan on building myself a 19 ft fishing boat this summer. I am a cabinet maker so the woodwork part of boat building will be the easy part for me. Chemicals and resin not so much. I have learned a TON of stuff here. Thank you Andy.
I just absolutely love your videos! You were a tremendous help to me when I was rebuilding my fishing boat a few years ago. Thank you. :)
Hi Andy, I started redoing my entire boat because of how good you are and your videos are at teaching and explaining the different processes. Thank you for all the work you do in creating these videos for us.
You're a good man!
Another great job explaining the process. Keep it up.
Doing my own little project of grafting a jet ski power unit into a small fiberglass boat! Your videos have helped a great deal!
Fantastic progress Andy!
Can't go wrong with the electric scissors. Best investment one can do when doing glass work
Great for a quick hair trim when you get used to them too...
I have one of those, same brand. Costs 300$ here in Norway, but still worth it. Although it hurts a bit to see how cheap they are in the US...
There are two other ways you could have done this. 1. Sandwiched a piece of ply or balsa to give you the same thickness without so many layers of glass, or 2. done a couple of layers of corematt (foam like matt for bulking up a composite). Also I didn't see you doing any consolidation of your layers and for a finishing coat a bit of resin with a few drops of wax to give you a flowcoat works well.
Every week when I see Andy work on these projects with total boat supplies I just can't help but think about the massive cost associated with the products! Salty! edit Happy B-day to the little one!
More thinking and less grinding..! You came up with a logical solution. Thanks for letting us peek in..
Might have to replace a transom myself her soon. Started watching this channel a while ago and glad to catch each weeks episode! Thank you!
Love your videos, happy birthday to your little shining star. I remember when she was a smidge over knee-high, Lord I'm getting old.
Certainly learning.....A LOT! Thank you.
!! Did he say 18 layers! I think it’s time to buy some of that 3/16 inch thick coosa and five layers but I know this is old and you’ve already done it keep up the good work brother man but holy cow you’re dedicated!
TB structural putty : spec sheet says "contains 5% to 8% milled fibers"... I can see the use of this for compression loads (they also mention good impact resistance, which is mostly compression too), but I would be hesitant to use that on the same level as matt or roving when traction loads are present, it's only marginally better than bondo imho. On a structural piece I would just build up with matt, then shape the external surface with a piece of plywood covered with plastic to minimize rework (could insert a layer of tear cloth if building up will follow) - then I'm doing automotive or aerospace applications, the guidelines may differ...
Great video as always Andy 😊
Glad you found a way around it, sometimes a re think and some others input can help. Building it up with glass has to be the best way 👌
Happy birthday to your daughter 🎂🎁🎉
Nice work Andy. Nothing that a couple minutes with the grinder won't fix.
Excellent video.
That's how you dominate a difficult job and show us how and why you are the best.
Thanks again
You've broken the back of this problem now :) Well done
Glad you got it figured out, Andy
Love your work Andy, happy birthday to your little one🥳🎂🎁
Happy birthday little princess.
Just wondering why the Coosa is being epoxied in place when you have been using polyester. It’s the bond not as strong?
For bonding i do prefer using epoxy (longer work time and it does provide a stronger bond strength) but when it comes to laying glass i'd say I'm probably 60% poly and 40% epoxy (both work very well, so working time needed usually dictates which material I'll use :-)
Learning loads Andy thank you so much 👍 could you have used foam as a filler as it is easier to sand and lamented over with a layers of glass?
Right on Andy. Love watching you work. One quick question. I thought you have mentioned in previous shows that you could do wet on wet with epoxy as well ?
You can do wet on wet with epoxy as well providing the timing is right. Ex I would not be able to layup on a friday night and come back Sat without having to sand. With poly I could wait a week and come back without having to sand :-)
@@boatworkstoday Roger that 👌✌️
Hi Andy, your videos have been like going to the fiberglass University for me. Thanks a lot for your fantastic job on you tube. I am still missing that cathalyst dossifier bottle you use. Whenever is possible for you i would thank you if a link is published to get it.
Love your work Andy!! I would really love to see you experimenting with other composite cores one day (I.e Corelite PVC, Honeycomb and polyurethane foam boards) and provide your thoughts and feedback as they are more cost efficient than Coosa and there aren't many informational videos about them online.
Keep up the great work!
This guy does the work you wish your local shop did. Unfortunately he’s a while away from an ocean ready rig, but I hope he shows us first launch.
I also agree with others, your vids are super helpful, working with epoxy and poly became easy b/c of your vids! thanks
Interesting. Good, helpful content. Thank you! 👍👍
Hey Andy, don't give up shes coming on fine. We have all had the project that just never seems to end, but why is it always on our own personal things? I guess it may be due to hours of over thinking, over building and over spending. Lol
Happy birthday to your little one!
Just think, if you snapped your fingers instead of doing things the "hard way" you'd be done by now. 😉 Love the videos, can't wait for next week. 🙂
Love the shows!
Non polyester epoxy ok to use with gel coat paint?
Well done this wont budge at all when done.
Hope you had a great party 🎉
Love your videos. The way you explain everything makes repairs super easy. Have you ever worked with kevlar or kevlar/carbon hybrid. I'm considering using one or the other for an outer layer.
I’m glad to see that when this type of job is done it doesn’t have to be perfect, that getting pretty close will work just as well. My transom project I stressed about making it good enough and eventually said “ that’ll do”. I used epoxy resin.... need to read up on poly.
Also, is that Total Boat putty just used as a structural filler? And is it advised to only be used when something is applied on top of it (more fiberglass)?
poly is cheaper, epoxy is MUCH stronger.
I learn more every time I watch. Great video 👍
Are you applying a layer of glass between the transom and coosa. And a layer between coosa to lock it together. Just asking that will hold coosa out further than it is. Sand off the protruding areas . All in all looks awesome . as you know
You are a true craftsman.
can you put epoxy on top of (uncured) unwaxed poly? seems like they would make a good physical bond and without the air, the poly would set?
Don't know that it's something I'd try; two very different chemical makeups that would likely cause issues for either product curing properly ;-)
@@boatworkstoday good point, I guess I was thinking that the poly would be cured - with just the tacky outer layer left. I hate putting on the wax and then grinding it off before expoy. If both are liquid when you mix, then that would likely be a disaster.
As a (former) industrial chemist, I suspect that would be an oil & water situation... the two would never mix. The epoxy layer would seal off the oxygen allowing the poly to cure fully, but as it did it would "pull away" from the epoxy.
Caveat: I have never done that experiment, but I am 90% certain that the bond would fail between those layers. If you are inclined to try it, you should definitely do some test pieces and stress them to failure to see if the joint would fail along that boundary.
I suspect that if there were a resin that would allow you to transition from wet poly to wet epoxy, some coatings company would be selling it right now and you would see it for sale on every marine supply web site.
you can go wet on wet between poly and vinyl esters as well......I think :)
There is going to be some serious strength in that transom!!!
I know you've said it before, but I'm new enough not to know, thick enough not to remember, and old enough not to know how to go back through your library to find it, so: please restate why/when you use gelcoat in the layup.
Most of time time I'm seen using gelcoat overtop of glasswork done with laminating poly resin is to fully cure the glasswork so that come time to sand, it doesn't gum up the sandpaper :-)
@@boatworkstoday And that requires gelcoat WITH wax?
Hi Andy. I wanted to give my 2¢ last week runned out of time. Could build a form with thin plywood and fill it with structural expanding foam to make everything nice and straight a bit like a rudder. then a couple of lair of biaxial fiberglass.?
A fine, fine job. Well done!
Can you go over how to figure out how much paint I’m gonna need? I’m looking to diy roll a 23’ deck boat, just the sides. I really don’t think I need a full gallon of paint.
I am planning on rebuilding my transom on my mako 25. Should I use two Coosa board sandwiched together or one will give the same strength? If I use two do I put a layer of 1708 in between or thickened resin in between? How many layers of 1708 are needed on the outside of coosa for an outboard bracket? How thick should the transom be when finished? Thanks and enjoy your videos
I got a question for you can you soak the fiberglass in too much resin because you know I don’t know I just feel like putting it in a bucket and soaking the whole mash and then sticking it on their piece by piece I watched a lot of your videos and it very informative I just always in my mind thinking there’s Hass to be a faster way😅😂
Would the structural putty cure if you just continued on topcoating it with laminating polyester?
I don't know Andy, I thinks maybe you being a little to perfectionist! LOL That looks great and should finish up really good! Love your vids!
Looking good! I was surprised you got flustered a bit. Looks like you pulled it off?
Great as always
Hey Andy I’m from Australia and for filling like in this video and also glueing timber down I have been using cabosil with polyester resin just wonder if you’ve used it before and what your opinion is on strength for structural areas
Is there a reason for always using the paint brush to dab on the material rather than just dunking the strips in the cup of material squeegeeing the excess off and applying the strips to the substrate, kind of like doing paper mache? That might go faster Patience is not my thing.
"One should save money in every way possible. But never skimp when it comes to shoes." -- Ferdinand Ecco
why not use chopped strand mat? should be able to get thicker layers and once wetted out you can just push it where you want it with the brush.
Does the resin penetrate completely thru the coosa?
🔥🔥🔥As always it is turning out perfect 👌👍👍👍👍👍👍👍👍👍🔥🔥🔥
Can’t wait for the next video!
Well done! Thanks.
Would there be any reason to not layer the 1708 with a high-build matt like Coremat to build faster with fewer layers?
I thought I was doing something wrong when doing vertical layups when I had resin trails running down, after leaving it over night. Now I know it's normal... And to tape it off so I have less sanding to do...
so i got a question not sure you may have already answered it but oh well
haha so my big things is weight and structural more so then looks so how does the coosa verses plywood weight and structurally ??
I've never seen this asked here so... It's obvious that you're a "boat guy" since you're using your skillset on boats rather than Corvettes, but which are you more passionate about, power boats or the sailing variety?
Truth be told I'm more of a sail guy, but power allows you to cover more ground in a day when time is limited :-)
@@boatworkstoday Agreed. I own a smoker but only because there's really no room for sails on our small waters. :-)
@@boatworkstoday Sail is for fun. Power is for fishing.
@@boatworkstoday finally something you said that I do not like. Lol.
could you have used chopped strand
Whaaat? Boat works not using epoxy for a layup? There is hope for the rest of us to cheap to use epoxy
Not grinding makes me happy
Would using, along with 1708, woven roving or 9 oz cloth for 2 or 3 of the laminations work or are the strips too narrow to be stable.
are you working 40hrs a week on this boat? if thats so, was this 40hrs work you had in the clip?
Most of my time per week is focused on working with folks over on Patreon with their projects. On average I only get about 10 hours per week on the Bertram. There's also office stuff and outside things that needs to be done every week as well. Typical work week for me is around 60hrs total :-)
Does Alexseal make a clear coat? And can it be rolled on with the additive used in previous videos?
They do make a clear that is typically used more often for metallic colors but it's really best sprayed; don't think it would work well rolled (even with their new additive) but I can ask :-)
I'm lost. Why can't we just fill with the coosa and be done with the transom? 🧐
why not put coosa there to build that up?
Why epoxy-ing the coosa in place? Not using Polyester?
Also; after coosa is in place, before tabbing, couldn't you run a structural (thickened resin around the edge to fill any micro gaps and fair the voids?
Any hooooo
I do enjoy your channel , but this reminds me to never convert an I/O to a bracket boat.
nice but please... protect yourself from resins vapor...
First comment fr indonesia, good job👍
The only thing that would stand to a nuclear blast would be this transom.
Your welcome lol....