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Adjusting shroud tension

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iGRF View Drop Down
Really should get out more
Really should get out more
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Joined: 07 Mar 11
Location: Hythe
Online Status: Offline
Posts: 4667
Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 14 at 9:15pm
Ha welcome to 1955.

Adjusting those stupid thingummies in a Vision? If there is grass growing nearby you could watch, or paint drying far better use for your time.

Wait til you drop the little circlip into the gravel of the boat park, that's just extra special fun, just one of the delights of this archaic sport, you'd think by now they'd have invented something simple that works... they haven't.

You could try something called fast pins, you'll think oh that looks a bit better, then you'll find they won't fit, because those thingummies that all look the same? They're not, there are micrometer size differences, depending on wether Ron & Stan made them or Har & Ken.

Thingummies are the very pits of hell, best advice? If they're together, leave them that way and don't mess with them, one bad tack would negate any gain you might have made by fiddling with them, not to mention the vexation to the spirit and charisma draining action of trying to line up the loop with the pin and hole, if you do try and manage without torching the entire boat, you'll be a better man than I..
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zippyRN View Drop Down
Far too distracted from work
Far too distracted from work


Joined: 14 Sep 06
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Posts: 361
Post Options Post Options   Quote zippyRN Quote  Post ReplyReply Direct Link To This Post Posted: 15 Oct 14 at 12:46am
difficulty in setting the shrouds can be a sign that the  forestay is  adjusted too tight / mast is too upright . is there a  mast  rake  figure given for the boat  ?

assuming the shrounds and spreaders  are of equal length  and the mast is sitting  upright in the boat  shroud pins the same hole on the chain plates 


there's generally  two ways to measure mast rake 

with the  jib hoisted and tensioned  ( to a ball park figure  for the class on a loos type gauge)

1. hoist a long tape measure  on the main hallyard and measure the distance from the mast head to a known fixed point at the stern  (traditionally  centre of the transom)

2.  with the boat sitting level attach a modest mass to the  end of the main halyard and let it settle in  the vertical plane  then mesure  from the gooseneck to the  halyard  paralle to the ground 



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