1972 SN Promo Project |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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Puller it is! Tim I think I'm going to try a little sanding today just because I have the materials. Every time I look into chemical strippers I get 1000 different opinions and they're all based on knowing what type of paint is on the bottom. Beyond that they are all very expensive and not available in small quantities around here. Being on the lake Michigan shoreline there are many marinas and boat supply stores available. I've called many of them and even my friends that have sailboats. I will definitely end up trying some sort of stripper at some point but I'd like to hit it with sandpaper and see what happens. |
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1999 Ski Nautique 196
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Chris,
Small quantities of strippers are available. Typically you will find them at a hobby stores or a hardware store in the hobby section. From the looks of your bottom, I'd say the black that's on there is plain oil based enamel so it should come off pretty easy so try sanding first. Several years ago, I stripped the ablative bottom paint off my X55 and it was a problem. Wanting to be "environmentally friendly", I tried a couple citrus strippers without any luck. I ended up with good old methylene chloride Zip Strip. |
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21169 |
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I'm just talking about the stuff you can get at Home Depot, don't overthink this. I removed some paint from gelled scoops a few months ago and it was highly effective. If you got that much off with 800grit you're not dealing with a serious bottom paint. Wet sanding that entire hull with 800, 1000 and 1200 would not be fun.
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bkhallpass
Grand Poobah Joined: March-29-2005 Location: United States Status: Offline Points: 4723 |
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That was my point. I don't think it is bottom paint. You wouldn't want to do the entire bottom, but if it just paint, you should be able to use Acetone to test a small area to determine that. If acetone will soften it, then get some stripper. I meant to try it while it was in my garage, but never got around to doing so. BKH |
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Livin' the Dream
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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1999 Ski Nautique 196
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21169 |
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I can't see what you're seeing... Post a better pic?
When you start sanding through thin gel, it normally looks like little black spots showing up. |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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I'm seeing black spots!! Yes, Chris has sanded into the glass. |
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quinner
Grand Poobah Joined: October-12-2005 Location: Unknown Status: Offline Points: 5828 |
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Any chance I could borrow it when he is done?? |
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75 Tique
Grand Poobah Joined: August-12-2004 Location: Seven Lakes, NC Status: Offline Points: 6121 |
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_____________
“So, how was your weekend?” “Well, let me see…sun burn, stiff neck, screwed up back, assorted aches and pains….yup, my weekend was great, thanks for asking.” |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Chris,
I'd have to say that the PO who painted the bottom already did some sanding especially on the transom probably in an attempt to sand out the blistering! Now, do go with the stripper since the gel is so thin. |
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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Yes this certainly is a setback. Gelcoat was the ONE thing I wasn't willing to redo on this hull. I've been thinking about it for a couple of days and came to a few conclusions. 1. I may have been a little too aggressive with the sanding since I wasn't prepared for the gel to be so thin. 2. I will absolutely be looking into chemical strippers to minimize the gel loose from sanding/buffing. 3. I'll probably approach the rest of the boat with more of a 3M buffing mentality than a wet sand mentality. I'd rather have a slightly lighter orange gel than have fiberglass that needs to be patched. I won't be able to spend any time on it until early December due to work and the holiday. I ordered a small batch of marine paint stripper to try after hitting it with a little acetone. |
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1999 Ski Nautique 196
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Hollywood
Moderator Group Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13513 |
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I was gonna say if you got all that paint off sanding that was probably too aggressive. Also the hull there is a bit concave so not surprising the bottom edge of the sander received more pressure.
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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Yea there is actually a lot more curve in that area than one would think.
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1999 Ski Nautique 196
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Chris I know these guys will not agree with me but, be very very careful with paint remover. I needed to do some paint removal on my Shamrock so I went with what was recommended on just about all Corvette forums -Captain Lees it says it doesn't harm fiberglass,it comes in a spray bottle ,non toxic,non flammable,non caustic,blah blah blah. While it may not harm fiberglass Corvette's do not have gel. It softened up the gel. I don't believe any other strippers,some which are very caustic or even any of Quinner's gyrating on it would be safe.. I will be home for Christmas ,if you would like I could send you the Captain Lee's if you'd like to try it. Maybe CC's gel is different?
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Keith
Admin Group Owner / Operator of CorrectCraftFan.com Joined: October-20-2003 Location: Pepperell, MA Status: Offline Points: 1917 |
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Chris,
I've been fixing your videos so they will play back in the Forums. When using the TUBE BBcode for your videos, just include the video code (leave off the http://youtube ...part. They your videos will play properly. The is how is should look: Great job! Thank you so much for sharing. -Keith |
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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Gary! Thanks for the heads up. I'm going to start tryin a cocktail of strippers (that sounds awesome) until I find something that works. Only this time, I'm going to do it on the underside (Quinner try to resist). I'd love to give yours a try if we get a chance to meet up.
Thank you Keith for the fix! I'll definitely try that on the next video. The odd thing is all the videos show up on my phone and iPad, just not IE. I'm in New Jersey for the holiday so I'll stop at the boat for some more fun in a week or so. In the meantime, happy thanksgiving everyone!!! |
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1999 Ski Nautique 196
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quinner
Grand Poobah Joined: October-12-2005 Location: Unknown Status: Offline Points: 5828 |
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Strippers is a little harsh, I prefer to call them Peelers
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63 Skier
Grand Poobah Joined: October-06-2006 Location: Concord, NH Status: Offline Points: 4269 |
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A Frankenotter Thanksgiving:
Is that gravy, or highly toxic bottom paint stripper??? Oh well, might as well pour some on the stuffing and see how it tastes! |
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'63 American Skier - '98 Sport Nautique
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skutsch
Grand Poobah Joined: June-19-2008 Location: Racine, WI Status: Offline Points: 2874 |
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A little video for Chris - thanks for the help today MAN! (I meant splined, not geared...)
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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Hahahaha. She lives!!!!!!
Thanks Papa Steve! That looked really rewarding. |
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1999 Ski Nautique 196
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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As you can see, Steve an I got a little time at the garage today and I was able to try a chemical stripper on the bottom paint.
Video 22 This is going to be a loooooooooooong process removing this crap. |
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1999 Ski Nautique 196
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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So.......after many many distractions in life, I'm back on the promo.
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1999 Ski Nautique 196
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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It's February in Wisconsin, which means it can be frigid cold, warm, rainy, snowy, windy, or calm on any given day, hour, or minute. Luckily, yesterday was about 41 degrees and calm winds..........perfect for stringer and foam removal.
Video 24 I wanted to get a time lapse of the entire foam removal but it was just cold enough to kill the battery on the GoPro. Time Lapse The conditions were perfect so I just kept going. I was a hot mess........literally. I had the plastic suit on and the respirator and I was sweating my a$$ off. I cant even imagine doing this in the summer. I forgot to video the aftermath of the material that I removed. Among the foam, fiberglass panels, and rotten wood I managed to fill 16 large garbage bags. And that wasn't even including the 6-7 bags I took from the right side foam last week. If you're planning a stringer job, probably a good idea to research a waste removal system that will take the trash. Video 25 The next phase is the obvious sanding and grinding. 1. What is everyone's advice as far as flap discs vs grinding wheels? 2. How much fiberglass should be removed? 3. I'm pretty sure the forward lifting ring hardware needs to be removed, but it's in bad shape. Are there replacements or is it time to fire up the old Bridgeport? |
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1999 Ski Nautique 196
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Duane in Indy
Platinum Member Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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I have posted this in the past but will show again what I had to do with mine. I bent up a replica of the lifting bracket inside the boat. I welded to the old one and then glassed in to the floor with the additional length of the new one. Also added a support angle for the new floor (pardon me--the sole) Could have bolted it all together but the welder was handy. Several layers of glass cloth and resin after grinding the hull clean. Original rusted brkt. New sandwiched bracket prior to glassing |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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Nice! That helps. I'll get a better look at it when I grind it out tomorrow.
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1999 Ski Nautique 196
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11050 |
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Duane I must say, I'm rather disappointed that you didn't whip up some exotic bracket out of a solid chunk of aluminum or SS even if part of it is under the FLOOR |
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Duane in Indy
Platinum Member Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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KENO, Sometimes we just have to go outside our comfort zone!!! |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1422 |
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There you go...
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Lets have a go
56 Starflite 77 SN 78 SN 80 BFN |
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Frankenotter
Platinum Member Joined: August-26-2012 Location: Milwaukee Status: Offline Points: 1072 |
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I'm on a roll this week and got back to the boat to start the grinding. If you don't want to hear me whining and complaining about being covered in fiberglass for 10min straight, skip the next two videos. Couple of notes about today:
1. I put up the $40 and got a diamond grinding wheel for the angle grinder. I figured it was either that, thousands of harbor freight flap discs at $2 a piece, or hundreds of name brand discs for $8 a piece. So far so good. I barely put a dent in it after a solid day of use. 2. A pre-filter for the shop-vac would have been a good idea. I emptied my vac 3 times over the day and had to shake the filter out every 10min of use. 3. The hull is insanely flimsy with the stringers and foam removed. It feels like I'm going to put my hand through the side when I'm grinding. Video 26 After the day of grinding I was cold, itchy, and had a very bad outlook on life. Video 27 |
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1999 Ski Nautique 196
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