Norm, He plans on having multiple snubbers ON HAND. He will only use two snubbers in extreme conditions.
Personally I would expect the rubber 'shock xbsorbers' to handle all lower conditions and size my rope snubber for the extreme condition. Maybe use two different thicknesses of rubber snubber? Eric Thompson S/V Procrastinator South San Francisco [email protected] ----- Original Message ----- From: <[email protected]> To: <[email protected]> Sent: Saturday, May 16, 2009 6:31 AM Subject: Re: [Liveaboard] all chain rode > > > There seems to be something screwy with Mr. Kluznick's logic. > > Under the paragraph Line Size he states he wants four feet of stretch but > will have to add more snubbers to get the desired SWL. However, adding > snubbers will decrease the stretch as the load will then be spread over > more snubbers. > > If one has 4 feet of stretch with on line then adding another of the same > size will produce two feet of stretch (at the same load) since each line > now has half the original load. > > A SWL of 15% of the ultimate breaking strength seems unrealistically low > to > me (I smell the company lawyers at work here). I would choose the line to > give the stretch I want and ignore the stated 15% SWL in favor of, say, > 50% > of ultimate. > > For those "very conservative" folks one could rig a second snubber with a > higher breaking strength and rig it slack to come into load when the first > one stretches to the limit one desires. > > > Norm > S/V Bandersnatch > Lying Julington Creek > 30 07.695N 081 38.484W > > > > >> I found this page while looking for something else. The gentleman deal >> with snubbers in a very detailed manner. >> >> http://kluznick.com/files/Snubber_Design.doc >> >> Philip >> -- >> Philip Lange AE4OV >> USSV ORYOKI >> > > > _______________________________________________ > Liveaboard mailing list > [email protected] > To adjust your membership settings over the web > http://www.liveaboardnow.org/mailman/listinfo/liveaboard > To subscribe send an email to [email protected] > > To unsubscribe send an email to [email protected] > The archives are at http://www.liveaboardnow.org/pipermail/liveaboard/ > > To search the archives > http://www.mail-archive.com/[email protected] > > The Mailman Users Guide can be found here > http://www.gnu.org/software/mailman/mailman-member/index.html _______________________________________________ Liveaboard mailing list [email protected] To adjust your membership settings over the web http://www.liveaboardnow.org/mailman/listinfo/liveaboard To subscribe send an email to [email protected] To unsubscribe send an email to [email protected] The archives are at http://www.liveaboardnow.org/pipermail/liveaboard/ To search the archives http://www.mail-archive.com/[email protected] The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html
