Classic AquaSport
Aquasport Model Rebuilds, Mods, Updates and Refreshes => Osprey Style Hull Rebuilds => 165/170/175 Rebuilds => Topic started by: cduck870 on October 03, 2020, 08:38:14 PM
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I just aquired a '79 170 and have started the rebuild. I am on day 5 and have the transom out, deck is out and all of the foam on the outside of the stringers has been removed (all soaked, of course). Top coming off the Stringers tomorrow and will then start that removal process as it is all also soaked thru and thru. My main question at the moment is how to remove the soaked foam between the inner liner and the hull. It appears it is wet at least 6-8" up. I have been a member since 2015 and have a 222 flat back ('69) but have decided the 170 will be a better size for me and my girlfriend to handle since I am 72 and not getting any younger. Any help or suggestions will be greatly appreciated. Thanks to Capt. Bob and RickK for the welcome. I will start posting some pictures tomorrow.
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Are you referring to the hullside liner? Or maybe under the casting deck? I will have to see a pic of what you're referring to as I've never heard of foam going above the height of the stringers.
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My ‘86 170 had foam squirted in through the gunwale. Every couple feet along the gunwale (below the rubrail) there was a 1” diameter hole where they injected the foam. The foam ran down and filled the cavity between the hullside and liner and then filled the area outboard of the stringers.
If you do not have plans to remove the liner, you’ll have a choice to make - if you can scrape it out as well as possible from the bottom and get most of the wet foam, that may be good enough for you. It’s not going to get any wetter, and may dry out some on its own since you’re removing the soggy reservoir below it. That water weight is pretty minimal, and there is nothing for it to rot out... main thing is whether it’s worth it for you.
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Well I learned something new today then.
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Thanks for the info. Am seriously considering removing the liner. My 222 doesn’t have one. Just wonder about the hull strength. Read in another post someone did that and then put a couple extra layers of glass on the inside. Any opinions on that would Be appreciated? Love the hull design but am not necessarily a purist on restoration ideas. Thanks
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I'd say it depends a lot on 1) how much time/money you have for your rebuild, and 2) your intended use for the boat.
If you have plenty of time and need a project, I'd say go for it... extra strength is always a bonus. Though I imagine it would at least double and maybe triple your time investment vs. sole replacement with liner staying in. Tooting Rick's horn a bit, he has an awesome build thread along these lines.
If your boat is well put together and you're not doing anything crazy with it, it may not be worth the extra time/cost. My hull is stock, floor and transom are new, and stringers are well tabbed, and I've never had issues or felt any unhealthy flex in some pretty gnarly stuff. They're not built like a Contender, but they're not flimsy by any stretch.
All of that said - if I still have the boat in 20 years (and I plan to!) when it needs a new floor again, I will probably completely gut it and strengthen it for the ages.
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I have not been in a newer 170 but have always wondered how they created the fishing rod cut out and if there is some kind of liner inside the rod holder area to keep water from getting into the bilge from that area. It looks open from the pictures in a catalog. What are your observations on this. Where does water go, like rain, if it gets into that area?
(https://classicaquasport.com/gallery/data/574/68AS_all_models_86-4.jpg) (https://classicaquasport.com/gallery/showphoto.php?photo=2859&title=as-all-models-86-4&cat=574)
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There is a liner in this area, but it doesn't do its job well... It's caulked along the interior side, but is very difficult to clean and reseal. Photo is looking aft on port side.
(https://classicaquasport.com/gallery/data/894/Liner_leak.jpg) (https://classicaquasport.com/gallery/showphoto.php?photo=20390&title=liner-leak&cat=894)
I get a decent amount of water intrusion when it rains... not a huge issue when the boat is sitting in the yard, but I will have to try to reseal it more if I ever get a mooring.
I have wondered if the foam in the hullside was intended to hold this extra rod holder liner in place to some degree.
Rick - here is a photo showing the foam injection ports, prior to reinstalling the rubrail. If you zoom in you can see 5 holes on the face of the gunwale where the rubrail goes.
(https://classicaquasport.com/gallery/data/894/sanded_hull.jpg) (https://classicaquasport.com/gallery/showphoto.php?photo=20137&title=sanded-hull&cat=894)
cduck, if you do remove the liner, it's an excellent chance to give your hull to deck joint some love! Mine was broken free for about 1/3 of the total length when I got it.
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What is this “box” .... doesn’t show in the main advert picture? Tia
https://classicaquasport.com/gallery/showphoto.php?photo=21000&title=55af24aa-2f10-41ee-87a6-58bcaff79e8e&cat=500%5D%5Bimg%5Dhttps://classicaquasport.com/gallery/data/500/55AF24AA-2F10-41EE-87A6-58BCAFF79E8E.jpeg%5B/img%5D%5B/url%5D
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What is this “box” .... doesn’t show in the main advert picture? Tia
https://classicaquasport.com/gallery/showphoto.php?photo=21000&title=55af24aa-2f10-41ee-87a6-58bcaff79e8e&cat=500%5D%5Bimg%5Dhttps://classicaquasport.com/gallery/data/500/55AF24AA-2F10-41EE-87A6-58BCAFF79E8E.jpeg%5B/img%5D%5B/url%5D
Optional Factory live well.
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Need some help please. I uploaded some pictures in the Gallery section and now don’t know how to find them again. HAHAHA
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With regards to wet foam in the sides, the Liner is coming out. Also can I just post pictures here?
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Need some help please. I uploaded some pictures in the Gallery section and now don’t know how to find them again. HAHAHA
Here are your pics, in your member gallery. On a side note you uploaded multiples with the same name. I tried to delete one of the dupes but it deleted 2 because of the duplicate name. It was the pic of you blocking up the boat to get it on the trailer. You can upload that one again.
https://classicaquasport.com/gallery/showgallery.php?cat=500&ppuser=126990
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With regards to wet foam in the sides, the Liner is coming out. Also can I just post pictures here?
Yes, you can post pics here, you've done the hard part already - uploading them to your gallery. Now follow from step 8 and beyond in the following link, to post the pic into your topic.
https://classicaquasport.com/smf/index.php?topic=12725.0
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With regards to wet foam in the sides, the Liner is coming out. ?
Are you going to reinstall the liner, or scrap it and start from scratch with a blank slate?
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I am seriously trying to make that decision. If I scrap and start from scratch
There are a lot of decisions concerning deck height, tank location etc. just want to be sure before I start cutting things out. Tried digging out some more soaked foam from back of liner and it is an
Mess. Don’t know how they got it in there. Run rail is off
And no holes like in the picture above. May just take it out and go from there. My 69
222 never had a liner. Leaning that direction. Would solve the wet foam problem quickly. Any suggestions are welcome thanks for the interest
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(https://classicaquasport.com/gallery/data/500/038C2FDC-3E01-41BF-9425-A237EFDECDEC.jpeg) (https://classicaquasport.com/gallery/showphoto.php?photo=21018&title=home&cat=500)
(https://classicaquasport.com/gallery/data/500/2D07DBBF-0C8B-4E81-94F4-B1AD87E64931.jpeg) (https://classicaquasport.com/gallery/showphoto.php?photo=21019&title=home&cat=500)
(https://classicaquasport.com/gallery/data/500/5ADE8D93-C84B-4CE4-A64E-63D7E048C146.jpeg) (https://classicaquasport.com/gallery/showphoto.php?photo=21021&title=home&cat=500)
That foam looks dry. ??? I see that you left the inside liner of the transom, that's good, but finishing the outer transom will be harder. When you vacuum out the boat after everything you've done so far, how do the stringers look - any separation from the hull? Before you think about re-foaming the stringers I would lay wetted straps of 1708 across the tops every couple feet to keep the shape of the stringers. If you have other ideas I'm all ears.
Right now you have to figure out how to reconnect the deck to the liner. Most people lay the deck on top of the lip you've left around perimeter.
Did you take and write down good measurements of tank from transom, console from transom, distance vertically of original deck and stringer tops from gunwale top, transom to casting deck? The more measurements on a drawing of the inside of the hull, the merrier for later. The notch out where the trough to the rear is a great place to run rigging pipes to the aft.
Now, do you really want to pop the liner out of the boat? Lot of work getting the casting deck free from the bonding One good thing of doing that is you can tie the deck into the hull directly, behind the liner, instead of tying into the liner. It's a good way to use epoxy to make a structural connection to the hull and then tie into the liner with poly if you are going to gelcoat (which I think you said you were going to do).
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I imagine the foam between hullside and liner me will have a LOT of adhesion unless you can break the bond somehow, if you decide to pull the liner.
If it was me I would get a piece of #3 rebar white hot with a torch, then stick it up between the hull and liner and run it down both sides - should cut that foam out like butter and may solve your problem without pulling the liner. Just a thought... I have not tried this!
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I imagine the foam between hullside and liner me will have a LOT of adhesion unless you can break the bond somehow, if you decide to pull the liner.
If it was me I would get a piece of #3 rebar white hot with a torch, then stick it up between the hull and liner and run it down both sides - should cut that foam out like butter and may solve your problem without pulling the liner. Just a thought... I have not tried this!
Be careful if you use heat, urethane foam releases highly toxic fumes when heated. Probably won’t drop you dead In an open space , but lungs are not designed for that stuff.
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Agreed, respirator probably a good idea if you go that route.
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Well, decision made. Liner is out on starboard side. Any suggestions on type of glass and
And how many layers would be appreciated. Pictures are on the gallery. I can’t figure how to move
Them here. Ok with boats, not to much with technology. LOL
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Here ya go.
(https://classicaquasport.com/gallery/data/500/C0A45128-6754-49FE-9158-2E2D2C6D611B.jpeg) (https://classicaquasport.com/gallery/showphoto.php?photo=21025&title=liner-removal&cat=500)
(https://classicaquasport.com/gallery/data/500/68CD5FD5-7195-437D-8883-2F78AAA0FC4D.jpeg) (https://classicaquasport.com/gallery/showphoto.php?photo=21024&title=liner-removal&cat=500)
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Thanks Capt. Bob, I think I have figured it out now. Awesome site with lots of help and good ideas. One thing please, how do I delete a picture from my gallery?
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how do I delete a picture from my gallery?
Choose the pic and click on it as you would to post.
Notice in the box on the right "edit".
Click "edit" and at the bottom of the new box will be the delete command.
Once gone....it's gone.
Good luck. :thumright:
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I’m sorry to keep Asking but followed instructions and after clicking edit there
Is no delete command anywhere’s in site
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I’m sorry to keep Asking but followed instructions and after clicking edit there
Is no delete command anywhere’s in site
https://classicaquasport.com/gallery/editphoto.php?phoedit=21032
Bottom left.
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I give. When I click the link you sent the only wording in bottom left is "submit changes" Delete is not showing. I have clicked the image in gallery, clicked on edit, tried clicking on that image again and I cant just can't find delete. Please send and image, if possible what I should be looking at. Thanks again.
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What type device are you viewing with? :ScrChin:
I'm using a tablet, desktop, laptop and an Android phone and it's in the lower corner of every device.
Rick, can you put up a screen shot of that area?
Thanks.
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iPhone and desktop.
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(https://classicaquasport.com/gallery/data/500/Screenshot_2_.png) (https://classicaquasport.com/gallery/showphoto.php?photo=21035&title=screenshot-2&cat=500)
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I have uploaded to my gallery the screen I get. Maybe I am missing an update to the site?
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Only Admin and Moderators can delete pics. We've had people go in and by mistake delete their entire gallery, which wipe out all the pics in their topic. OOOOPS! I can delete the pics, let me know which one(s) you want deleted. If it is a duplicate name I don't think I can delete just one. You have several that are name the same - we can't rename them either since the system thinks they are one.
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I have uploaded to my gallery the screen I get. Maybe I am missing an update to the site?
My bad.
Sorry for the mis-information. :embar:
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Now I understand. Thanks for the information. I will update my gallery and rename
Some and get back with you. You guys are very helpful. Thanks again for
Sticking with me on this
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Well, decision made. Liner is out on starboard side. Any suggestions on type of glass and
And how many layers would be appreciated. Pictures are on the gallery. I can’t figure how to move
Them here. Ok with boats, not to much with technology. LOL
Posting pics in topic - You have the pics in your gallery, that was the hard part. Now follow from step 8 in this thread to copy the IMG code from the gallery and post into your topic. It is best to open two tabs in your browser, one to your topic and one to your gallery in the photo gallery.
https://classicaquasport.com/smf/index.php?topic=12725.0
You asked about glass: What is your rebuild plan as far as resin? Are you planning you laminate a layer onto the hull sides and down to the first stringer?
Did you save what you cut out of the liner so you can glass it back in?
What is your plan for finishing the inside of the boat - gelcoat or paint?
If you are planning to use epoxy to laminate the hull but had planned to use poly resin so you can gelcoat, you can do this if you saved the liner. You use epoxy for the strength and then cover it visually with the liner, which usually does not attach to the hull. It even allows you to install the new floor all the way out to the hull sides, connect to the hullside with epoxy and then hide that connection with the liner. I used epoxy below the floor and poly above.