Administrators Horton Posted April 21, 2008 Administrators Share Posted April 21, 2008 Yea I know that this is supposed to be a slalom only forum but . . . . So I have been asked to help with the repair of a local ramp. The ramp has a 6 panel MasterCaft style surface. One of the panels is a big blister. I am afraid that the only thing to do is to cut the delam out and patch it. I assume that filling it with resin will just make it spread and make a mess. I know how to do a bit of composite work but this scares me a little. Ideas? Support BallOfSpray by supporting the companies that support BallOfSpray California Ski Ranch ★ Connelly ★ Denali ★ Goode ★ KD Skis ★ MasterCraft ★ MasterLine ★ PerfSki ★ Radar ★ Reflex ★ S Lines ★ Stokes Link to comment Share on other sites More sharing options...
Baller eleeski Posted April 22, 2008 Baller Share Posted April 22, 2008 My skis often blister. I inject epoxy under the blister. I use a heat gun and slow cure epoxy so the resin gets thin and wicks into all the edges of the blister. I then weight the blister down so once everything cures it is flat. Sometimes the blister has stretched the skin a bit and a substantial cut is needed so the end result is flat (a small finishing repair will now be needed). I would try a repair before cutting and patching. Good luck.Eric Link to comment Share on other sites More sharing options...
Administrators Horton Posted April 22, 2008 Author Administrators Share Posted April 22, 2008 yeaI am talking about a blister that has had water in it and is feet across. I do not think the bonding surfaces inside will stick. Support BallOfSpray by supporting the companies that support BallOfSpray California Ski Ranch ★ Connelly ★ Denali ★ Goode ★ KD Skis ★ MasterCraft ★ MasterLine ★ PerfSki ★ Radar ★ Reflex ★ S Lines ★ Stokes Link to comment Share on other sites More sharing options...
Baller eleeski Posted April 22, 2008 Baller Share Posted April 22, 2008 One ski had the bottom substantially delaminate from the core. I drilled a few holes in the ski and blasted compressed air in the holes. This blew out lots of water. Some heat gun (or a sunny day in your case) and some compressed air got most of the water out. Then I injected resin into the holes, blew it out and reinjected resin. The quality of the bond was good enough that Kirk has been using that ski for a full year - after I had gotten two seasons out of it earlier.Maybe you should use a bunch of screws to hold the laminate together while it cures. Screw holes are easy to repair. If there is enough material on the bubble maybe you could use stainless screws countersunk in a ways. After everything cures you could fill the countersinks with JB weld and sand to a good finish.Jump surfaces don't need to be strong. They need to hold together. A bubble that ends up a weak spot is OK. A repair patch might present an edge that can peel up the whole repair. Especially when there is wax and water to degrade the adhesion.Of course, a new panel might be necessary.Eric Link to comment Share on other sites More sharing options...
Baller RichardDoane Posted April 22, 2008 Baller Share Posted April 22, 2008 John - After you fix that ramp, are you going to put on some jumpers and go over it ? Link to comment Share on other sites More sharing options...
Guest Posted April 23, 2008 Share Posted April 23, 2008 You may try what's called elevator bolts (don't know why) they have a tin flat head that you can leave in place, if you can pull them just a little under flush. Then use your filler of choice (epoxy or resin) and sand. Leon Link to comment Share on other sites More sharing options...
Guest Posted April 23, 2008 Share Posted April 23, 2008 OOPS, make that thin flat head. Leon Link to comment Share on other sites More sharing options...
Administrators Horton Posted April 23, 2008 Author Administrators Share Posted April 23, 2008 Richard,errrr  NO! Support BallOfSpray by supporting the companies that support BallOfSpray California Ski Ranch ★ Connelly ★ Denali ★ Goode ★ KD Skis ★ MasterCraft ★ MasterLine ★ PerfSki ★ Radar ★ Reflex ★ S Lines ★ Stokes Link to comment Share on other sites More sharing options...
Members skidawg Posted April 26, 2008 Members Share Posted April 26, 2008 i have a mastercraft surface for sale, three piece, cheap, up pick it up. Link to comment Share on other sites More sharing options...
Administrators Horton Posted April 27, 2008 Author Administrators Share Posted April 27, 2008 how much? Support BallOfSpray by supporting the companies that support BallOfSpray California Ski Ranch ★ Connelly ★ Denali ★ Goode ★ KD Skis ★ MasterCraft ★ MasterLine ★ PerfSki ★ Radar ★ Reflex ★ S Lines ★ Stokes Link to comment Share on other sites More sharing options...
Members skidawg Posted April 28, 2008 Members Share Posted April 28, 2008 500, You ship Link to comment Share on other sites More sharing options...
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