Backstay tensioner - just a fancy turnbuckle? - Page 2 - SailNet Community
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post #11 of 17 Old 03-25-2012
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Re: Backstay tensioner - just a fancy turnbuckle?

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But the thread MATERIAL .. hmmm. All stainless would be fine, but I suspect mine are the typical plated brass and might very well start to wear.
I think you'll find that non S/S turnbuckles are bronze, not brass. Most brass is too soft to serve in that function. Keeping the threads lubed with lanolin or anti-seize will help to preserve them.

I, myself, personally intend to continue being outspoken and opinionated, intolerant of all fanatics, fools and ignoramuses, deeply suspicious of all those who have "found the answer" and on my bad days, downright rude.
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Re: Backstay tensioner - just a fancy turnbuckle?

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I think you'll find that non S/S turnbuckles are bronze, not brass. Most brass is too soft to serve in that function. Keeping the threads lubed with lanolin or anti-seize will help to preserve them.
Thanks for the info about the turnbuckles. I knew it was some "yellow metal", just not sure which.

We bought First Edition two years ago, a return to sailing after more than 30 years away, and one of the first things I did was buy a tension gauge. That let me disassemble and inspect the rigging at deck level with some confidence of putting it back together again. And reassembly certainly did include lubing the turnbuckles.


I see you're from West Van .. I'm moored at Thunderbird! I had to smile .. your posting sig

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is MY email sig and my goodness is it true.

I am simply astonished at how much time I spend working on her .. dockside and at home .. and LOVING every minute of it.

Part of the seemingly endless list of tasks comes inevitably from buying an older boat, part from the fact that previous owners really didn't know what they were doing with their various mods and tweaks and most from the fact that I just can't resist!

Thanks again.


Alan
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post #13 of 17 Old 03-25-2012
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Re: Backstay tensioner - just a fancy turnbuckle?

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Originally Posted by alanrothenbush View Post
Thanks for the info about the turnbuckles. I knew it was some "yellow metal", just not sure which.

We bought First Edition two years ago, a return to sailing after more than 30 years away, and one of the first things I did was buy a tension gauge. That let me disassemble and inspect the rigging at deck level with some confidence of putting it back together again. And reassembly certainly did include lubing the turnbuckles.


I see you're from West Van .. I'm moored at Thunderbird! I had to smile .. your posting sig

"There is nothing half so much .."

is MY email sig and my goodness is it true.

I am simply astonished at how much time I spend working on her .. dockside and at home .. and LOVING every minute of it.

Part of the seemingly endless list of tasks comes inevitably from buying an older boat, part from the fact that previous owners really didn't know what they were doing with their various mods and tweaks and most from the fact that I just can't resist!

Thanks again. Alan
Years ago I read an interview with a boat builder - I think it was a Hinckley - wherein he said that if he had to choose between only working on them or only sailing them, he would choose working on them. I would find it a VERY tough choice to make.

My 43 is in Race Rock - drop by some time.

I, myself, personally intend to continue being outspoken and opinionated, intolerant of all fanatics, fools and ignoramuses, deeply suspicious of all those who have "found the answer" and on my bad days, downright rude.
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post #14 of 17 Old 03-25-2012
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Re: Backstay tensioner - just a fancy turnbuckle?

Here's 8 possible backstay configurations from the Harken Catalogue:
Harken Tech Corner: Backstay Adjusters
(including Jacks)
Most small to medium sized sail boats have one of these. Your boat won't need anything different.
If you don't like Jacks safety strop idea, do a split backstay. That way you have wire all the way and the adjuster just pulls in the split ends.

As one of the other replies said, the treads on an adjuster are different. They are "Acme" threads and have a much stronger thread profile (flat top) so they can take much more tension without "pulling out".

sam :-)

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Last edited by Liquorice; 03-25-2012 at 03:53 PM.
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post #15 of 17 Old 03-25-2012
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Re: Backstay tensioner - just a fancy turnbuckle?

Does a cruiser really need an adjuster? Why not just use a turnbuckle and adjust to medium tension?

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post #16 of 17 Old 03-25-2012
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Re: Backstay tensioner - just a fancy turnbuckle?

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Does a cruiser really need an adjuster? Why not just use a turnbuckle and adjust to medium tension?
Being able to flatten a main with an adjuster and the outhaul is a bonus. Rather than reefing with a small wind increase, flattening the main will depower it just enough. A little cunningham is an extra bonus.

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post #17 of 17 Old 03-25-2012
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Re: Backstay tensioner - just a fancy turnbuckle?

Check it out Ebay # 37059886544 might do the trick!..Dale #370557802479

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Last edited by Lake Superior Sailor; 03-26-2012 at 12:28 AM. Reason: another #
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