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post #27 of Old 11-22-2013
Sal Paradise
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Re: Ranger 23 Keel Wobble Advice

I'm not a naval architect, but I am an architect and I do bit of structural design. If in fact your hull is flexing transverse about the keel and you find nothing obviously loose or broken, and you decide to repair it yourself - you do not want to creat a short ( or narrow) , stiff repair. That could propogate a crack right where the stiff repair ends. You want to spread the bending moment out port to starboard and allow the keel bending moment to be spread until the stress is low enough to be transferred into the original hull evenly. That means the repair is going to be wider.

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