Quote:
Originally Posted by flyingfrizzle
Like to know some more current info on today's composites that are available to core stringers and bulkheads out of.
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All of the folks who mentioned flex are right. You need a stringer and bulkhead system that absorbs shock, so it doesn't overstress any single component.
While you will get some good ideas from this and other forums, you may get some ideas that are not so good as well. If you find yourself contemplating materials or methods of construction for your project that are not in common use by quality boat manufacturers, ask yourself why. Those guys have a strong incentive to build for light weight (less material=less cost), good strength (fewer warranty claims), and durability (a good rep in the industry sells more boats).
You will find DIY boat restorations that are every bit as good, or in some cases better than the original (strick's work comes to mind). But you will also find half assed jobs that result in heavy structures that are not as strong or long lasting as original and look like crap to boot. Which end of the spectrum do you want your work to be on? The key difference is how well you educate yourself before you start.
Do yourself a favor and buy Dave Gerr's
The Elements of Boat Strength. He does a good job of explaining boat structural components and why they are constructed as they are, as well as why some fail. If nothing else, it will help you tell the difference between good and bad advice.
Dave