[MHml] mast woes

[Peter Southwood]

Hi Mike, 
Whar is the point of cutting the span in half in this way?
Cheers,
Peter
  ----- Original Message ----- 
  From: Michael Conley 
  To: Informed discussion of multihull issues 
  Sent: Monday, October 16, 2006 10:59 PM
  Subject: Re: [MHml] mast woes


  Hi Bill
     I have been following your problem with your diamonds. I had a similar one. Undersize wire on the diamonds . Solution cut the wire at the spreaders add an eyy and fork and you cut the span in half.
  Mike

  Bill Gibbs <BillG at GibbsCAM.com> wrote:
    The riggers and mast guy explain that one goal in pre-tensioning diamonds is to avoid a slack side. And I have never noticed slack
    diamonds on Afterburner. Certainly there is a loaded and unloaded side. My stays are a different story. We even have a "slack
    sucker" for the stays.

    Bill

    -----Original Message-----
    From: multihulls-bounces at steamradio.com [mailto:multihulls-bounces at steamradio.com] On Behalf Of Chris Ostlind
    Sent: Monday, October 16, 2006 12:02 PM
    To: Informed discussion of multihull issues
    Subject: Re: [MHml] mast woes


    ----- Original Message ----- 
    From: "Bill Gibbs" 


    We are not looking for prebend however, as much as avoiding slack diamonds 
    on the unloaded side.


    Slack diamonds as in: Not able to slip their fixturing points on the 
    spreaders, or what? How do you avoid any slack side diamonds, Bill? If the 
    leeward shrouds are somewhat slack, aren't the leeward diamonds also slack 
    to some lesser degree as well?

    I guess what I'm saying is that the load has to go somewhere, and if it 
    isn't in the rig, it has to be put through the forward beam. I could be way 
    off base here, but I suspect that all these components are stretching and 
    flexing to some extent and they relieve the direct loadings in that 
    adaptable fashion.

    Chris


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