Powercats seaworthiness ?

[fcfc]

Are there any papers on powercat (under 60 ft) seaworthiness and stability on the net ?

Also are there codes or rules for structure and stability that apply to small powercats ?

Thanks for education.

[KCook]

Here's another thread that may help -

Design > Boat Design > Catamaran Hull Design (http://boatdesign.net/forums/showthread.php?t=7688)

Kelly Cook

[fcfc]

Thanks but that thread does not deal with powercats.

I have also found there is ISO 12215-7 rule, but still in draft stage.

[boatneck]

I do not know if there are papers on the seaworthness of a cat but I will tell you first hand that the cat is the best riding boat on the water. when I was in alaska I was a deck hand on a 32' cat and it was more sea worthy than a 55' v hull!!! you would have to talk to the coast gaurd about codes and rules(different in all areas) when building one thought a good rule of thumb is lenght to beam should be at least 7 to 1 will make a safe. boat hope it helped

[Guillermo]

If you are talking about high speed cats, then these rules may alsso be useful:
http://webshop.dnv.com/global/category.asp?c0=2623

Links on cat's resistance, hydrodynamics and stability:
http://www.sname.org/committees/tech_ops/O44/48/48-inf-7.pdf
http://www.unols.org/publications/manuals/SBCompendium/12SmCat.pdf
http://www.na.chalmers.se/~sw/YRU/clementine_thesis.pdf
http://www.naval.ntua.gr/~sdl/Publications/Proceedings/HIPER01paper.pdf
http://www.naval.ntua.gr/~sdl/Publications/Proceedings/OSAKA2000-Proceed47.pdf



Some books:
http://www.cambridge.org/catalogue/catalogue.asp?isbn=0521845688&ss=ind
http://fermat.nap.edu/books/0309058791/html/697.html

[yipster]

http://www.tennantdesign.co.nz/ has some articles ( and very nice boats )