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Go Back   SailNet Community > On Board > Gear & Maintenance > How can this happen? Shroud Tension
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Thread: How can this happen? Shroud Tension Reply to Thread
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Topic Review (Newest First)
03-19-2013 01:03 PM
rhr1956
Re: How can this happen? Shroud Tension

No just one set of lowers. Spreaders are straight, not swept.
03-19-2013 10:27 AM
c. breeze
Re: How can this happen? Shroud Tension

You have aft and forward lowers? Both sets are loose now?
03-19-2013 10:18 AM
rhr1956
Re: How can this happen? Shroud Tension

I went down to the boat yesterday and reviewed everything mentioned in everyone's responses...all seems to be in order. I'm wondering if theyl just stretched a bit under load. It was blowing pretty hard Sunday, teens gusting to low 20's. Still the crazy part is only the lowers loosened...the uppers stayed put.
03-19-2013 12:51 AM
Barquito
Re: How can this happen? Shroud Tension

Have you had a chance to see if something got twisted at the top of shroud? It would now be untwisted, of course, but might be damaged.
03-18-2013 05:11 PM
tommays
Re: How can this happen? Shroud Tension

The most common time i have seen this is on Rod Rigging right after the mast was stepped as you cannot see how well the headed part of the rod is sitting in its mating part

The tballs are supposed to have a rubber plug inserted in the slot above the fitting which holds it in the correct place and I see them MISSSING ALL THE TIME
03-18-2013 03:10 PM
Alex W
Re: How can this happen? Shroud Tension

If the cotter pins were not in place then how do you know that the turnbuckle didn't turn and loosen?

Hopefully the cotter pins that hold the clevis pins were in place, it is really safe to sail without those being there.
03-18-2013 03:02 PM
rhr1956
Re: How can this happen? Shroud Tension

Quote:
Originally Posted by BubbleheadMd View Post
Whether T-ball style or not, it sounds like something was not properly seated, and popped into place during sailing, especially based on the OP's insistence that all tabbing and chainplates are solidly intact.

BTW- any rigging that is "tight as a fiddle string" is TOO TIGHT. That's a good way to wreck a chainplate, or tabbing or induce "hogging".
"Tight as a fiddle string" Figure of speech...simply to say that the uppers were still tight. Only the lowers were loose. Also forestay and backstay were still tight.

Side note: When the chainplate pulled up through the old (waterlogged) bulkhead both upper and lower shrouds were equally loose.
03-18-2013 02:53 PM
BubbleheadMd
Re: How can this happen? Shroud Tension

Quote:
Originally Posted by SchockT View Post
You don't provide a whole lot of information to work with! Are the chainplates connected to the new bulhead?
If so, is all the tabbing on the new bulkhead intact? What kind of tangs connect the shrouds to the mast? If it is T-ball or something like it, maybe they werent properly seated when you connected them, and then they "popped" into place when you started sailing?I think a careful inspection of your new bulhead, chainplates and standing rigging is in order before you sail again!
Whether T-ball style or not, it sounds like something was not properly seated, and popped into place during sailing, especially based on the OP's insistence that all tabbing and chainplates are solidly intact.

BTW- any rigging that is "tight as a fiddle string" is TOO TIGHT. That's a good way to wreck a chainplate, or tabbing or induce "hogging".
03-18-2013 02:43 PM
rhr1956
Re: How can this happen? Shroud Tension

More info...
1. Swaged fittings
2. Bulkheads solidly tabbed and intact.
3. Compression posts and header solid. Compression posts footing (bilge) solid.
4. Cotter Pins NOT IN PLACE. We left them out on purpose to make final adjustments if necessary.
5. Tangs are the pivoting type. One on each side of mast and through-bolted with a single 3/8" bolt and lock nut. The shrouds are attached with a 1/4" clevis pin and ring ding.
03-18-2013 01:29 PM
c. breeze
Re: How can this happen? Shroud Tension

mechanical or swaged fittings?
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