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Post by Peter L on Jun 27, 2020 0:16:28 GMT -5
I am restoring a 1965 G3 and the deck is fasten to the hull with rivets through the rub-rail molding. My plan is to glass the two halves together to increase the strength and rigidity. Does anyone have any ideas or feedback about doing this?
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Post by kingston on Jul 5, 2020 12:08:21 GMT -5
I clamped the deck with a 1/2 inch gap between the hull and deck and then glassed them together between the clamps. I then removed the clamps and completed the glassing. The clamps were just two pieces of plywood 2"x3" with a bolt holding them together. The deck was held above the hull with several strips of plywood across from side to side. Start the glassing from the bow so as to do any fitting at the transom. I used a bolt on rub strip that is the reverse of the original, about 2" black composition with a 3/4" ss strip that can be thru bolted on. Going from shoe box to what I did gave me almost 2" of more room in the boat. I also glassed in the splash guard at the transom giving the transom more strength. Kingston
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Post by Peter L on Aug 9, 2020 0:04:21 GMT -5
Thanks Kingston; Sound like what I plan to do except for raising the deck but I will explore this when I get to it. Cheer
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Post by james on Aug 12, 2020 21:35:29 GMT -5
How hard was it to separate the hull?
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Post by kingston on Aug 26, 2020 17:13:49 GMT -5
James, The hull and deck were put on in "shoe box" fashion. This was not a good attachment, some were fiberglassed on the inside. You have to drill out the rivet and cut the fiberglass from the inside. I found that my Fine vibrating saw did the job with less danger to me working from inside the boat. I used a router and the fine to remove all the wood in the hull including the inside of the transom. I saved the glass on the outside of the transom. Next I hade the inside of the boat sandblasted. I filled the wings with poured foam and then glassed the total inside of the hull with triple-axel roving. I built up the transom with several layers of tis material, taking the material up above the 20 inch transom height. After this I turned the boat over and fixed the bottom. I used this same material to flatten the hull at the stern, and added a planning strip on the keel. (about 8-9 inches wide and 6 feet long blending in forward). I Awlgrip the bottom at this time (easy). With the boat back upright I cut a stringer for down the middle of the boat. I added 3 inches to the height of the floor at the stern and glassed it in. That 3 inches stayed for 4 feet. I glassed in a 4 foot section of a half inch honey comp panel. I pulled the boat up bu the bow to about 45 degrees and added poured foam. I added another 4 foot panel and foam again, but at this time I sloped the floor about an inch. Repeated the process until getting to the stem. I glassed all the panels with the trim-axel and a layer of chopped strand mat. I gained some of the loss inside the boat by raising the deck about an inch and a half by not using the shoe box method. Next I completed the transom. I glassed it with several layers bonding it to the floor. The transom is now about 3/8" thick. Several inches above the floor I added 3/8 marine plywood in layers with the trim-axel between each layer until I got the thickness I wanted. Next I put the deck on, holding it up above the hull 1/2 inch with boards across the centerline. I then trimmed the transom to fit the deck and clamped the deck to the hull with small blocks of wood about a foot apart. I glassed the hull to the deck between these blocks with the same try-axel, removed the blocks and filled in with the same. I faired the seam for AWLGRIP. I reworked the splash guard and glassed it in. Now you can AWLGRIP the deck and install your seat. The motor mounting bolts are above the waterline. I put in 2 drain plugs at floor level and they are above the waterline so I can leave the plugs out when I leave the boat in the water for long periods of time. The boat has positive floatation which is now a requirement by the Coast Guard for good reason. One of my neighbors had his standard G-3 at the dock where It took a wave and sank. I call my boat a "Resto-Mod" as I want something that is safe and will work. I would build another G-3 the same way, but I am doing a Shamrock 20 Cuddy,"Resto-Mod". Kingston
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Post by badger on Sept 4, 2020 17:57:26 GMT -5
Hi Kingston wish I'd known about raising the deck before as you did it but at the time I'd split the hull and flipped and was working on the bottom side of the upper deck I had a Major heartattack and had to alter my plans some just glad to got this far.
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