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Reply to: Broke my Prindle 19 - Repair Advice

[quote=mattson]Took the Prindle 19 out for Wet Weds last week in 20 kts gusting to 24 in steep waves. I had a new guy with me probably weighing 210+ and 6'6", so a lot of righting moment on the wire. I am still proving this boat for Santa Barbara Channel crossings, so I was pushing it hard that night to make sure it would hold up. It didn't. I had two failures which I believe were simultaneous: 1. A failure of the twist toggle that attaches the shroud chain plate to the shroud tang. This dismasted the boat. 2. A fracture on the inboard side of the starboard hull just forward of the front cross bar. Either the failure of the hull put a shock load on the shroud, or the failure of the shroud put a shock load on the forestay. The main reason I believe these happened at the same time is the fragility of the hull after the failure. I can move it side to side with my hand. Had the boat not stopped immediately at the time of the failure, I would have lost the entire bow. The twist toggle: [img]http://www.catsail.com/p19/KIMG0145.JPG[/img] Outside of the hull: [img]http://www.catsail.com/p19/KIMG0134.JPG[/img] [img]http://www.catsail.com/p19/KIMG0135.JPG[/img] [img]http://www.catsail.com/p19/KIMG0136.JPG[/img] Inside of the hull: [img]http://www.catsail.com/p19/KIMG0137.JPG[/img] The experts tell me this is repairable. Also, I've spoken with a veteran at NACRA on the history of this boat. This is a 1986. In 1987 the design added a sub deck to the bows. The 85 and 86 boats do not have it. My boat only has a bulkhead under the front crossbar, and another 16 inches in front of the leading edge of the crossbar: [img]http://www.catsail.com/p19/KIMG0142.JPG[/img] So, in addition to the crack repair, I am going to reinforce both hulls. I am going to fabricate and install a fiberglass foam core sub deck running from the forward crossbar to the bows. The vertical position would be about 2/3 up the hull. That is by hunch only. Opinions welcome. Additional options I am considering in addition to the sub deck: 1. A layer of carbon fiber cloth bonded to the inboard sides of the bows. 2. A layer of carbon fiber cloth bonded to the inboard AND outboard sides of the bows. 3. A layer of carbon fiber cloth bonded to the inboard sides of the bows, a layer of foam, then another layer of carbon fiber. 4. A layer of carbon fiber cloth bonded to the inboard AND outboard sides of the bows, a layer of foam, then another layer of carbon fiber. [b]Comments? Opinions? Advice?[/b] Keep in mind that I am nuts, obsessive, and have a tendency to throw good money after bad with reckless abandon.[/quote]

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