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2792Re: [capri26] Re: Replacement Mast

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  • Gary Pack
    Nov 8, 2013
      Re: [capri26] Re: Replacement Mast Thank you Bob and David.  The shroud falling out of the spreader may be the culprit, and my failure to check.  But if the shroud came out of the spreader, what caused the port spreader to come off the mast?  It didn’t hit anything I can see to cause it to come off.  

      Anyway, I posted some photos on our group page on Yahoo.


      On 11/8/13 10:54 AM, "Robert Unkel" <bunkel@...> wrote:



      Without photos i can only speculate based on your comments.  With the shroud off of the spreader, wondered how secure your shrouds were fastened to the spreaders. The wire used needs replacement periodically. If your shrouds were loose on the leeward side and not securely wired  it would allow it to slip off the spreader, then when the big gust hit it whipped the mast side to side leaving one side of the upper mast unsupported when loaded. This may have caused the failure.

      We have been hit a couple times by storm front gusts and you get beat up in short order. It really puts a lot of rapidly changing shock loading into the standing rig.

      Take a good look at the shroud spreader connection.  We replaced our spreader wires last year. They were showing fatigue breaks.

      You sure had a heck of a way to end a race!

      Just one old guys thoughts,

      Sent by an outspoken old person from his conservative launch pad.........

      On Nov 7, 2013, at 8:29 PM, Gary Pack <sailman@...> wrote:


      I’m not qualified to opine on the reason for the failure, but not being qualified has never stopped me from giving my opinion.   Perhaps Bob Unkel and others who have a good technical understanding on our boat can speculate.  I went back and inspected what’s left of the mast more closely.  The mast broke above the spreader and fell to leeward (starboard side—we were on a port tack).  The port spreader came off the mast, but the starboard spreader remained on the mast.  No stays broke.  The Starboard upper remained in the end of the spreader.  However, the port upper came off of the port spreader which separated from the mast.  Perhaps the port upper bounced out of the spreader, but if that is what happened, why did the spreader separate from the mast?  I think the mast had metal fatigue and when it fell the tension on the port upper ripped off the spreader.  Anyway, that’s the best I can do.

      Gary Pack
      Breezin’ Bye

      On 11/6/13 1:04 PM, "Robert Unkel" <bunkel@...> wrote:


      Sorry to hear the news, but glad everyone is OK. Now doubt you were in a blow!  Any info you can give us on mode of failure will help us all take appropriate countermeasures.
      Bob Unkel

      On Nov 5, 2013, at 11:19 PM, Gary Pack wrote:

      Thanks for all of your responses and recommendations.  I’ll let you know how it goes.  I’ve had all kinds of thoughts on the reason for the mast breaking, but until an experienced rigger examines the pieces I won’t know for sure, so I won’t speculate now.  Given the difficulty and sensitive nature of tuning our masts, I wonder if it is worth the investment of an inspection by an experienced rigger from time to time.  I also wonder that given the age of our boats if it isn’t worth the cost of replacing all of the stays if they are 20 years or more old.  

      As to strength of the wind, the Race Committee was in open water a couple of miles away and they registered 37MPH.  We were sailing upwind in a rather narrow channel and were at the end where it opened up to more open water.  I suspect the wind was funneling into that channel at more than 40MPH, but I don’t have a wind speed instrument.  We had eased our main and were pinching into the wind when the mast broke above the spreaders.  

      Gary Pack
      Breezin’ Bye

      On 11/5/13 12:33 PM, "Randall Ferre" <rferre2000@... <x-msg://45/rferre2000@...> > wrote:


      Sorry to hear about your mast. Glad to hear no one was hurt.   How strong of wind?  Any advice on prevention?  Being a C26 newbie on a large mountain lake with some crazy winds at times (wind advisories sometimes gusting over 50kn, enough to blow a large BBQ 50 feet and rip a spa cover off and throw it over a fence and about 200 feet to the lake) your experience certainly makes me take note of the risk.

      I recommend giving Catalina Direct a call.  My experience has been very positive, even if they refer you to someone else or special order something.  In some cases, their prices have beat West Marine.

      Best of luck.





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