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Discussion Starter · #1 · (Edited)
Hi All,

This question is for you who have experience tweaking standing rigging. The rigging was "dock tuned" by a pro rigger. I went out and had some wind this weekend and hope I finished the tuning correctly.

1st day we only had enough wind so that no matter how tight I pulled the sails in, we could only get a max of 12-15 degrees of list. I was clearly able to see the mast top leaning to leeward along with the slack lower shrouds on the leeward side. Lightened the cap shrouds so I had a straight pole and tightened the lowers hand tight to remove the "loose" cable on the leeward sides.

2nd day we had good wind and got to 20 degrees no problem. The mast was still straight, but the loweres were floppy slack again, so I hand tightened them again.

So I've done what most articles I read said to do (as well as the rigger who helped me step the mast). I put the Loos tension gauge on back at the dock and here's my question after the readings. My cap shrouds are at 12%, the forward loweres are at 9%, the aft lowers are at 7% and the back stay is between 9 and 12% (I have a slight rake on the mast).

Are these number high enough? I don't know what "good" looks like. I probably wouldn't be asking this question if I didn't have a gauge. :eek:

Dave
 

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Discussion Starter · #10 ·
Hi All,

Just got off the phone with the rigger that helped step the mast and dock tune. He suggests that if at 15 degrees I had the mast straight and in column and slack removed it was good. Then at 20 degrees, verified the mast still straight and in column, removed the slack and used the Loos (back at the dock) just to compair values side to side (which were spot on equal), it was time to put in the pins and call it good. Check things every now and then.

I have an older boat, that came with NO instructions for stepping the mast and rigging adjustment other than to "hire a proffessional rigger". I like the not too tight discussion. Why tighter than it needs to be? Thanks for the input ya'll.

Dave
 
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