Rear Stay adjuster - Page 2 - SailNet Community

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post #11 of 16 Old 03-21-2013
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Re: Rear Stay adjuster

Using backstay to get a lot of mast bend on a masthead rig will actually slacken your shrouds as you're 'shortening' the overall height of the mast (think compressing a toothpick between your thumb and forefinger). Checkstays are used mid-mast to limit that effect, and force some increased tension on the headstay rather than further compressing the mast...

All of this is a bigger deal with powerful hydraulics and bendy sticks, of course.


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post #12 of 16 Old 03-21-2013
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Re: Rear Stay adjuster

Agree with ST. Need to go through the total tune after cranking in a lot of backstay. Often re tension the main halyard. Still think I usually can get a flatter mail with draft forward with some tension in the backstay ( maybe I'm delusional - oh well). Was assuming jackstays on fractional rigs. Also note it works different on boats with baby stays or pre- bent sticks. May get the bend in different places on different boats. On a lot of cutters can use the running backstays to tension the staysail stay when it blows much the way you use the backstay on a sloop or solent. Backstay may not help the staysail stay tension that much so often not adjustable.

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post #13 of 16 Old 03-22-2013
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Re: Rear Stay adjuster

It's something else to fiddle with when you're sailing to make non-sailors think you know what you're doing
Much like the traveller.

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post #14 of 16 Old 03-22-2013 Thread Starter
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Re: Rear Stay adjuster

Well, I do have the adjustable topping lift.... so this looks like a "must have"...

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post #15 of 16 Old 03-23-2013
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Re: Rear Stay adjuster

Great info here. All good posts.


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post #16 of 16 Old 03-24-2013
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Re: Rear Stay adjuster

There is another advantage of having a backstay tensioner for those who trailer sail: Putting some slack into the backstay whilst stepping your mast can make raising quite a bit easier (ideally use a forestay lever as well).
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