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| soft spot repairs. need instructions please! http://www.hobie.com/au/en/forums/viewtopic.php?f=20&t=6975 |
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| Author: | HobieChard8690 [ Sun Jun 10, 2007 6:02 pm ] |
| Post subject: | soft spot repairs. need instructions please! |
ok. i posted earlier about my h16 having a soft spot in front of the right pylon. it is probably about a square foot, give or take a little. james has helped me out a lot by showing me pictures of his hobie, but as pitiful as it sounds, i need a step by step explaination for drilling and injecting Git Rot, or West System, due to the fact that i am paranoid that i am going to ruin my cat. please help! thanks! -Richard |
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| Author: | MBounds [ Sun Jun 10, 2007 6:42 pm ] |
| Post subject: | |
http://www.hobiecat.com/support/tech/delam.html |
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| Author: | islandcruiser [ Tue Jun 12, 2007 8:11 am ] |
| Post subject: | fixing soft spot |
Look at that website and then- I just did this to my boat. Make sure you buy more than enough "git rot" I had an area roughly 18 inches by 10 inches and I used up an entire pint almost, the soft area will soak it up. first thing to do is tape off the entire soft area, find tape that sticks well to the top of the hull, i had difficulty with blue painting tape, but it could just be my hull. Draw out the area that is soft, easiest by knocking on it and listening. drill small holes on the inside of the mark (breather holes) maybe 1/16th and drill through the first layer of fiberglass and then through the foam until you touch the second layer, don't press hard and you wont go through the second layer, let the drill do the work don't press down, don't go through the second layer or you will be screwed. You don't need to drill a lot of holes, I drilled probaly 6-8 holes for my area, and it seemed to work. When that is done drill another hole for the tip of the "git rot bottle" It only comes with pint size and bigger, not the small 4 oz size. Drill this hole on the higest part(center) of the topside, this allows gravity to do its job and spread the epoxy. No matter if your spot is on the side of the top side, still drill the hole as high as possible. The size of the hole will vary because the user needs to cut the tip of the bottle. I drilled a hole in a piece of plastic to make sure I had a really good fit, and I ended up using an 1/8 inch hole. You need a good tight fit so get rot doesn't come spewing back out the hole. Remember you are drilling all of these holes only through first layer of glass and foam, and there should be tape where you are drilling, to keep your topside clean. Mix the "git rot" in the bottle and shake it for 1 minute then squeeze it in there, it says you only have 20 seconds, but i did it in the evening when it is a bit cooler and it lasted a bit longer than that. Do it quick, but keep a close eye on your breather holes, soon as it comes out have many pieces of small tape ready so you can cover the holes. make sure you leave the tape on the holes for a while, if you take it off and the git rot hasn't cured it will come out the breater holes. It can be a pain in the butt to take it off later, but it will be done right, and you know you can get tape glue off with some elbow grease, git rot is a bit tougher to get off the top of the hull. after this get some gel coat patching material fill in all of your holes, and go sailing. good luck. hope this helps. |
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