1/17/2024 0 Comments Wet layup chopper gunYou might want to fabricate the stringers then glue and tab then in place afterwards instead of trying to do it in one shot. I wetted out my fiberglass, laid in place then covered it with wax paper to prevent sticking then applied clamps on a 2x4 to make a nice 90 degree angle with 18 oz. Be sure to sandwich with csm to all a smooth surface for the WR to bond to and extend each layer past the previous.įor your stringers, you could make a jig of sorts or use clamps to help hold or mold the thick glass in place. Depending on the size boat and motor, I would even consider going a third. After that, add no less then two layers of woven roven. Then fill and fillet (filling an edge to make it round) with your PB (peanut butter or thickened resin), then tab those areas to reinforce those joints. What size boat is this and size motor you plan to run and are you using polyester or epoxy resin? Alsoi, it's advisable that you layer csm between the layers of WR.įor the transom, I would glue the wood in place. I really appreciate the feedback! Heres some pics. The roll of roving I have is approx 1 foot wide and about 1.5 feet in diameter so I have a lot of it and it was free so I'd like to use it. The edges are quite rounded but it's still a 90 degree turn. It can be achieved through several processes, including compression molding, bladder molding, wet layup, mandrel molding, chopper gun, autoclave and vacuum bag, filament winding, and pultrusion. Unless you guys think I'll have issues with the woven over the stringers. Bonding the fiber and the polymer plastic is the second and most critical part of FRP manufacture. Should I get a lower weight cloth? I was hoping to do 1 layer of 2 oz, a layer of woven, and 2 layers of 2 oz here too. I am wondering if the woven roving I have is going to have trouble with the corners here. ![]() Almost 1/4" in some spots and it does have cloth and mat (or chopper gun). I plan to fill them with foam, cut the foam flat accross the top and glass them back up. I had to cut the top off of them because the foam is wet. I has large foam filled fiberglass stringers. The other question is about the stringers. FIBER-TECH ENGINEERING employs a variety of composite manufacturing processes: Wet Lay Up, Chopper Gun Spray Up, Filament Winding, Pre-Preg - Vacuum Bag - Oven Cure, Resin Transfer Molding (RTM) & Vacuum Assist Resin Transfer Molding (VARTM). Originally the fiberglass was not that thick on the inner skin, but did appear to have some woven cloth in it. Then, after I put the flooring and knee braces in, another layer of or two of 2 oz mat over the whole shebang. I planned to put 1 coat of mat down over the whole transom/side panel area. I have on hand a huge roll of woven roving, and tons of 2 oz mat. All gaps and edges will be filled with a mix of resin/cabosil,milled fibers. ![]() ![]() The transom will be the 1.5" ply adhered to the outer skin with 2 pieces of half inch on either side. I have questions about 2 parts of my restoration. It's almost time to lay the transom and I need help with the layup.
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