A snap shackle on a halyard is not likely to fit through a headboard, or in my 
case where there is a snap shackle spliced on the jib halyard, I flipped it 
sideways (not used) and put a regular shackle on B/C the snap shackle won’t fit 
through the roller furler casting. I think snap shackles are mostly intended to 
be attached to a sail ring.

If you have a snap shackle on the main halyard, you may likely have a regular 
shackle on your headboard, which of course will work. Just lowers your main a 
couple inches.

Not sure why you take the halyard off every time?

 

 

Bill Coleman

Entrada, Erie, PA

 

 

 

From: David Knecht via CnC-List [mailto:cnc-list@cnc-list.com] 
Sent: Tuesday, November 09, 2021 7:52 AM
To: CnC CnC discussion list
Cc: David Knecht
Subject: Stus-List Main halyard shackle

 

My boat came with a main halyard shackle of a type I have never seen anywhere 
else.  It has a pivoting arm that swings up after inserting through the 
headboard and secured with a threaded pin.  It has worked fine for years and 
easy to remove and attach, which I do routinely when done sailing for the day.  
Recently, I twice found it nearly completely unscrewed after a day of rough 
weather sailing, and that is concerning.  I don’t want to lose the halyard up 
the mast.  I am considering replacing it this winter with a standard snap 
shackle of the sort used on my genoa halyard.  I looked at a rigging company 
web site and they used snap shackles for genoa halyards and pin shackles for 
main halyards.  The logic of that escapes me.   On my boat, I take down the 
roller furling genoa only a few times a season while the main halyard is 
detached every time I go sailing.  I have no idea what the forces are on the 
main halyard but I would not think much greater than the genoa.  Any words of 
wisdom, or reason not to use a snap shackle for the main?  Thanks- Dave

 

David Knecht

S/V Aries

1990 C&C 34+

New London, CT




 

 

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