Replace mainsheet cam cleat with hexaratchet?

Discussion in 'Sunfish Talk' started by Offramp, Jun 20, 2007.

  1. Offramp

    Offramp New Member

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    Getting my new to me 73 Sunfish ready for racing. I am looking to replace the mainsheet cam cleat with a ratchet block like the Harkin H019 or H2625 Harkin CarboRatchamatic or Ronstan RF6100 60 MM Ratchet.
    What do I need to attach these ratchets to the deck? Eyestrap and stand up spring?
    Which eyestrap? Vanguard V79460? Other?
    Does one eystrap fit the three ratchets
    Which stand up spring(s)? H071? Other?
    Sorry for so many questions. :confused: I've never modified my daysailing boats and just used them as they were.
    I am looking forward and anxious to any and all of your help and suggestions.
     
  2. 4decker

    4decker race ready

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    I think you can just measure the overhang and find an eyestrap that will fit it. Don't forget a backing plate. Also, make sure the block you use will handle the 3/8" mainsheet as I think the harken carbo might be a little small? Last, you could just use the HAR019 ratchet with standup spring and then attach cam cleats to each side of your boat so you can uncleat the sheet without having to come centerline to pop it unless you will use your forward foot or you have a might powerful and efficient wrist snap. Good luck.
     
  3. phish133

    phish133 Sunfish sailor

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    I used the "small" (57mm?)Harken CarboRachamatic(love it), and instead of a stand up spring, I used the plastic "boot" sold by APS (in grey or black)
     
  4. Gail

    Gail 24186

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    On those old style boats that had a hook I buy a stainless eyestrap and bolt it onto the place where the "hook" was originally mounted. Personally, I don't like the spring because I have had it bind up too many times. Having the ratchet block flop around has proved easier for me to just jerk on to pull out those times the mainsheet gets overwrapped.
     
  5. TeamOso

    TeamOso New Member

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    Hi guys Im going to West Marine tomorrow to get a ratchet. Can anyone show me in the right direction as to what I need to buy to mount this thing? I just took off the old cam tonight and it has 3 little holes now. Please anyone. Also does anyone got any ideas on the best ratchet for my buck that WM will have?
     
  6. Gail

    Gail 24186

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    If you can put a piece of paper over the holes and rub a pencil over it, you can take it along to the shop to purchase an adequate strap or base to attach the block to. Hexaratchet is the Harken product. Depending on your fitness and strength you can choose between the small and large one. In a big blow, I wouldn't be without the large one. I have both but lately have not bothered with the small one. I like the on/off for the ratchet on the large one because it cannot be accidentally slipped into the off position in heavy breezes which happened too often with the small one in my experience.

    Other company's products do a good job, too. I'm just partial to Harken because of their ongoing support to collegiate sailing and one design sailing and because they stand behind their products. Great engineering!
     
  7. Fred P

    Fred P Member

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    Get the 019 Harken ratchet block, a Harken stand up spring, an eye strap, two nylon stop nuts and two bolts for the eye strap, and two fender washers (LARGE washers) to keep the eye strap bolts from pulling thru the deck. Now you're all set.

    Fred
     
  8. Repete

    Repete Sunfish1909

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    I switched just the same this winter. I used Gail's method of "trace and match" for my eyestrap type. I placed a small 1.5"x2"x1/8" plate of ABS plastic on my deck ( as a damper and weight distribution) and an 1/8" plate of aluminum (most of the pulling load is here) under my deck. I used two bolts from my eyestrap to hold the harken 019. I used the H071 spring too. Yes my clamcleat base left me with a third hole too. I just droped an third bolt and lock nut thru my plate on the deck to the plate on my underside versus filling the hole with epoxy. You will be so impressed with the hexaratchet versus how you sailed with clamcleats. Best upgrade ever!
     
  9. TeamOso

    TeamOso New Member

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    Oooops I didnt put a baseplate, is this needed for a sunfish?
     
  10. Fred P

    Fred P Member

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    Do you mean a backing plate under the deck? If so, you sure as heck need one!
    If it's a base plate on the deck under the eyestrap, it's optional.
    Fred
     
  11. TeamOso

    TeamOso New Member

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    O I guess the last owner didnt put one, can i get one at westmarine?
     
  12. mike4947

    mike4947 Member

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    Just large stainless washers are sufficient for under the lip reinforcement.
     
  13. Fred P

    Fred P Member

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    West Marine sells "fender" washers which are large washers that will work.
    You need one for each bolt. The forces on the block and eye strap are large when hauling in the sheet in heavy air.

    Fred
     
  14. Repete

    Repete Sunfish1909

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    Yes the plate on the deck is optional. I used a plastic or vinyl 1/8" plate to cover my three holes above deck. Purely cosmetic. The working weight distribution during the pull of heavy air is from below the deck much like a molly or toggle bolt works on drywall. The larger, wider plate below the deck lip helps distribute the pull-out load over more fiberglass surface. Thus, a stronger load can me carried without your deck giving way. We are not talking of extreme loads here since you can hold your mainsheet in your hand during a good blow without a rachet ot the "hook". But over a long sail your hands would tire. I have a 1.5" x 4" x1/8" aluminum plate under my deck to support my hexarachet.
     
  15. dswenson

    dswenson New Member

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    When people refer to putting a backing plate "under the deck" are they actually referring to the lip around the forward part of the cockpit? I too am considering a replacement of the original hook and from memory (the boat is actually on a lake two and a half hours away so I can't just go take a look) the hook is attached through the lip. Am I remembering incorrectly or am I misinterpreting others comments about "through the deck"?
     
  16. TeamOso

    TeamOso New Member

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    I know this sounds crazy but I actually took the hook off the boat, used those holes and made one a little wider to match the holes for the ratchets, lined them up and bolted it in. Now IM using the sunfish hook as my backing plate (this is what happens when one does not have his license yet!! haha)


    Kevin
     
  17. Fred P

    Fred P Member

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    Yes, reference to a backing plate is for a plate (or large washers) under the lip of the cockpit.
    Using the old hook position is a little awkward and lets the block flop around so most sailors mount the block on the deck over the lip. The lip is strong but the bolts for the block could pull out of the lip without a backing plate or large washers to distribute the load.

    Fred
     
  18. mike4947

    mike4947 Member

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    Not to mention using the hook location still leaves something that can leave scars.
     
  19. Repete

    Repete Sunfish1909

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    Here is a photo from the Sunfish Sailor Forum showing the old holes left from the original "hook" removed and the new ratchet (Harken 019) mounted "thru the deck". The rachet is held vertical by the stand up spring (Harken H071). The aluminum or stainless steel backing plated is under the deck, behind the lip where the holes thru the deck allow the mounting bolts to pass thru and be attached.
     

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  20. Gail

    Gail 24186

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    What a great use for the hook! The only other use I've had is to make a plaque for a "Hanger's On" award, given to those helpful people who don't sail or race but are always around the club, helping out, make things viable, and are great to have around. Screw the hook onto the plaque and have a plate made up and it's a nice award. Good for holding keys, too!
     

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