RedLine 0 Posted August 12, 2012 Share Posted August 12, 2012 Well IVe taken the plunge and took a grinder to my keel last week, its now lying on the floor next to the boat. Have to say Im impressed with how this thing was attached, taking off keel-bolt nuts does nothing. As Studs are epoxied into the keel, as well as the boat itself, then heaps of glass over the top of the lot, made for a good watertight fit. Just impossible to take apart, unless you use a big grinder and a sabre saw to cut thru the whole thing, which was the onyl way I colud get it off. Will be melting down the old one after getting the rest of the bog from it, into a new torpedo. Same keel as used on Pepe, Animal Farm etc. First q I have relates to fore/aft positioning of new keel. The current advice is that new foil leading edge needs to be at approx the 1/2 height position of the leading edge of the old sloped keel foil. But if I transpose that onto the boat my mock up of the new keel top plate bolting pattern would mostly hit the existing floor frames. So id like to slide the attachment point back 60-90mm aft, so the boltng pattern would fit, and I wouldnt then have to cur and replace too many existing frames. But im not certian what effect that might have on the trim of the boat. eg exaclty how much will lthis trim the stern by. It cant be worse that 3 guys in the cockpit? The boats stats are LOA 9.3M LWL 8.1M Beam 2.81 Old Draft =1.92M Displacement = 2200kGs ) Im replacing the solid lead fin & small bulb (120kg) total weight around 950kgs max draft 1.92M 2) with a new Foil and 760kg Torpedo Bulb. Total Weight around 870kgs, max draft 2.4M. Any thoughts on this? Quote Link to post Share on other sites
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