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On Thu, 06 Nov 2008 07:59:46 GMT, Jere Lull wrote:
On 2008-11-06 00:06:59 -0500, Wayne.B said: Method 1 is scary but probably yields the best long term out come. Some people have reported success making a thin cut around the perimeter of the repair using something like a Fein Multimaster to make the cut; lifting off the outer skin intact; and then replacing it at the end, leaving only the cut line to be patched up cosmetically. One difficulty is predetermining the extent of the core damage. I did this with Xan's port deck a dozen years ago. Still haven't gotten to the starboard side. It was really a fairly easy job with our big flat deck. Might have taken 3 weekends to do the bulk of the work, and most of that was thinking or waiting. Surveyor said the delamination wasn't a problem if we didn't see stress cracks. Still none, so I put up with a bit of spring in my step on that side. Tip: A real nice way to chip core out of the corners is to fit router bits to a 6-12" drill extension with a ball bearing collar between the bits and extender. Lets you rest against the surface you want to NOT chip yet get pretty deep -- pretty much the length of the whole assembly. There is a chapter in the Casey (Sp ?) book about removing the outer skin in one piece and replacing it. I attempted to do this on a side deck next to the cockpit. Problem... Boat built with inch dimension plywood core and only metric available here. But other then that it would have been a fairly simple process. Do remember that the joint where skin cut was made needs to be ground back on a taper and a full thickness tapped joint made here. Bruce-in-Bangkok (correct Address is bpaige125atgmaildotcom) |
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