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Mainsail tack attachment

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Vidwatts says:

Does anyone have a photo of the fitting of the tack of the mainsail onto the boom?

Ever since re-fitting the mainsail onto Aeolus the mainsail hasn't achieved the right shape with too much bag behind the mast. Looking at it closely today, when hoisted the mainsail tension is drawing from the bolt rope on the foot as it exits the groove on the boom, rather than the shackle through the eye at the tack corner. There is no tension on the shackle when the main is hoisted tightly.

The backstay was pulled tight, the topping lift was off.

I thought it might be due to rig tension because I'm sure it wasn't like that before but I've sailed her so infrequently this season that I can't recall how it was set up before. I don't recall changing the shackle

Any ideas?
12:01PM, 15 October 2011 PDT (permalink)

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NormanKlipspringer is a group administrator NormanKlipspringer says:

have a look at this on Archimedes www.flickr.com/photos/achilles24/1452337220/in/set-721576..., but ignore the caribiner which I replaced with reefing horns. If the pull is as you describe I would use a shorter shackle.
Originally posted 96 months ago. (permalink)
NormanKlipspringer (a group admin) edited this topic 96 months ago.

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craig48uk says:

Could be the other end......did you replace the main halyard shackle with a longer one?
Do you have a Cunningham hole, like a reef point, but around 6 inches above the tack? Tensioning with a block and tackle from the deck, or kicking strap fitting, will get you by for the moment.
96 months ago (permalink)

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Skykomish E29 says:

Just posted a picture of AEOLUS when we had her showing the set of the sail and as close a picture of the tack as I can find. There is a picture of Aeolus in full set sail at the beginning of my photo set but is not detailed enough to tolerate enlargement to view the tack shackle
96 months ago (permalink)

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