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  1. #1
    Join Date
    Apr 2002
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    UK
    Posts
    888

    Default Low friction rings for headsail sheets

    Hope someone here may have experience thatís useful. I have a 34 foot Ďclassicí wooden fractional sloop, so not exactly state of the art but we try to do our best. I have one inch T track for headsail sheet cars, which are Barton. The sheets scrape on the cheeks of the blocks as they exit towards the cockpit winches and the sheets are getting frayed real fast, plus there is clearly too much friction for comfort. I have feeble classic winches and feeble classic crew so would like to improve things and extend life expectancy of sheets and crew.

    We donít have and donít want a tackle to move the cars under load. They lock to the track with a pin and we move them between tacks when we remember.

    I guess I could find some better cars that would give a better lead. But I was wondering about using Antal rings lashed tight to the car. The angle in the sheet between entering and leaving the block is about 120 degrees Iíd estimate. Headsail max area is about 18 sq metres.

    Any suggestions? I like things to be simple cheap and light if possible of course

    Thank you
    Graham

  2. #2
    Join Date
    Sep 2016
    Posts
    338

    Default Re: Low friction rings for headsail sheets

    Are the cars hinged such that the sheave can find the best angle? Ideally you would want a turning block on the side deck in line with the track such that the line exits directly along it. You might be able to use a low friction ring for that purpose if you can position it somewhere such that the angle of deflection is small (i.e. lashed to the toerail forward of the winch).

  3. #3
    Join Date
    Oct 2018
    Location
    A Member State of the European Union
    Posts
    6,527

    Default Re: Low friction rings for headsail sheets

    main tufnol block.jpg

    My classic sloop also has Barton 1" track and I have main tufnol blocks with swivels for the headsail sheets. Like the photo above but not as large.

    The sheets came with the boat when I bought her 22 years ago so I have no idea how old they are but they show no sign of wear. The tufnol blocks are over 20 years old.
    "Brexit: like watching a library being burned down by people who can't read"

  4. #4
    Join Date
    Apr 2002
    Location
    UK
    Posts
    888

    Default Re: Low friction rings for headsail sheets

    Quote Originally Posted by Poignard View Post
    main tufnol block.jpg

    My classic sloop also has Barton 1" track and I have main tufnol blocks with swivels for the headsail sheets. Like the photo above but not as large.

    The sheets came with the boat when I bought her 22 years ago so I have no idea how old they are but they show no sign of wear. The tufnol blocks are over 20 years old.
    Yes thatís what we used at first but the lee block flopped about and destroyed my varnish so we switched to the Barton cars. But maybe I can make the tufnol blocks stand up with a thick leather collar hmmmm. Thank you

  5. #5
    Join Date
    Oct 2018
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    A Member State of the European Union
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    6,527

    Default Re: Low friction rings for headsail sheets

    Quote Originally Posted by gdallas View Post
    Yes that’s what we used at first but the lee block flopped about and destroyed my varnish so we switched to the Barton cars. But maybe I can make the tufnol blocks stand up with a thick leather collar hmmmm. Thank you
    If you used blocks with a becket, you could attach a length of thin shockcord to the becket and seize it to a guardrail wire (assuming you have those cursed things on your classic yacht). That would keep the block from falling without preventing taking up the optimum position when the sheet is in use.

    Alternatively, these springs might do the trick:

    harken block spring.gif

    https://www.marinesuperstore.com/dec...SABEgKvqvD_BwE
    Last edited by Poignard; 03-07-19 at 09:47.
    "Brexit: like watching a library being burned down by people who can't read"

  6. #6
    Join Date
    Apr 2002
    Location
    UK
    Posts
    888

    Default Re: Low friction rings for headsail sheets

    Quote Originally Posted by Poignard View Post
    If you used blocks with a becket, you could attach a length of thin shockcord to the becket and seize it to a guardrail wire (assuming you have those cursed things on your classic yacht). That would keep the block from falling without preventing taking up the optimum position when the sheet is in use.

    Alternatively, these springs might do the trick:

    harken block spring.gif

    https://www.marinesuperstore.com/dec...SABEgKvqvD_BwE
    No guardrails hehehe. But the spring could work.... covered with leather of course. Thank you

  7. #7
    Join Date
    Oct 2018
    Location
    A Member State of the European Union
    Posts
    6,527

    Default Re: Low friction rings for headsail sheets

    Quote Originally Posted by gdallas View Post
    No guardrails hehehe.
    I envy you. Although I have no statistics to prove it, I suspect there are more injuries caused by people tripping over guardwires than there are drownings prevented by having them

    Quote Originally Posted by gdallas View Post
    But the spring could work.... covered with leather of course. Thank you
    I like my suggestions so much, I might even get around to adopting one them!
    "Brexit: like watching a library being burned down by people who can't read"

  8. #8
    Join Date
    Oct 2012
    Location
    Southminster, essex
    Posts
    9,441

    Default Re: Low friction rings for headsail sheets

    It may be worth checking that in raising the height of the sheet as it leaves the car (or added on ring) it still works OK with the winch.
    I added a pulley to the top of my car (for a different reason) & found that the sheet then formed an over ridding turn on the winch. I solved the problem but you may not be able to.
    It is all down to the fact that my wife does not understand me !!

  9. #9
    Join Date
    Apr 2002
    Location
    UK
    Posts
    888

    Default Re: Low friction rings for headsail sheets

    Yup. I tried a block as per post #3 and it made a poor lead to the winch so back to the status quo. I decided against the rings, in the end. But may try to modify the cheeks on the block in due course

  10. #10
    Join Date
    Jul 2008
    Location
    clyde
    Posts
    641

    Default Re: Low friction rings for headsail sheets

    Why not do what the tradionalist would do a wrap your blocks with leather to save your varnish : )

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