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Thread: A New Rig for Julia, Parcelled and Served Dyneema

  1. #71
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Quote Originally Posted by Sailor View Post
    I can't imagine what a suitable lightning conductor would look like to take the power of a lightning strike from masthead to the water. You'd have a copper rod the size of the mast. I think these systems are like airbags in a car. The car will still be a write-off but you'll survive. Your rig will still be written off, but your boat won't explode into a ball of fire. It certainly is something that needs consideration in a cruising vessel.
    It does indeed need consideration, but there certainly are a number of different opinions on how best to deal with lightning.
    "If it ain't broke, you're not trying." - Red Green

  2. #72
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Hi,

    I just came across this thread and would like to give a big thank you for your time outlining your rigging procedure and experiences. My wife and I are also planning on parcelled and served dyneema for our rig so this is a great guide.

    I was also concerned about lightening protection without any metal overhead to offer protection on deck. In our case we built new laminated solid masts so I ran a 2/0 AWG conductor in the layup with solid copper termination points at either end. It wasn't that much of a pain and gives a bit of comfort.

    Cheers,
    Mark

  3. #73
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Some of the most beautiful work I have ever seen pictured here....
    Quote Originally Posted by isla View Post
    It's difficult to explain virtue signalling, as I was just saying to my Muslim friends over a fair-trade coffee in our local feminist bookshop.

  4. #74
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Hi J,

    Wonder what you used to measure your tension after doing the splice.

    Mark

  5. #75
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    I had a crane scale I borrowed from work. Even with the wheels blocked I couldn't get much past 2500 lb without sliding the truck across the yard, so that may be a useful data point if you don't have a scale.

  6. #76
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Absolutely gorgeous. I am *Seriously* impressed with your splicing work on the dyneema. There's a new backstay in my boats future, maybe I ought to splice up my own!

  7. #77
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    I'm sitting at home recovering from surgery, catching up on threads. It was a delight to go over this one.
    Well done!
    I was born on a wooden boat that I built myself.

  8. #78
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    When you put to sea, even without our acknowledgment, which is overwhelmed by the quality of your work, you have the peace of mind of knowing you have done it right, very right! Plus, those of us who still use a Yankee Scredriver Salute you as well! Bravo!
    Jay
    Last edited by Jay Greer; 11-13-2017 at 01:00 PM.

  9. #79
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    I read this thread and I am really impressed. I did not parcel and serve my Dux rigging, as I thought the added windage would be quite significant. But it certainly seems to make the rig bullet proof with respect to UV and chafe.
    I have been an advocate of this stuff for a couple of years now, having really enjoyed working with it on my boat and the end result. The more I think about it, the more I think it should be the material of choice for standing rigging on a wide range of boat types.

  10. #80
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Quote Originally Posted by J.Madison View Post
    I know of an Ingrid in Port Townsend named Pelin, but no Pilar. Pelin has a nearly identical served rig to the one I just built.
    Hey, I just found this thread - beautiful boat and good choice on the rigging! Pelin is my boat - we did this last year, also with Brion's help, and I can vouch that compared to splicing steel, working with this stuff is a dream. Here's a brief video of me flipping the serving mallet, out behind Brion's shop. https://youtu.be/BOZD1uAhRko

  11. #81
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Nice video! What was the purpose of the stabilizer line to the tree?

    Hope to meet on the water next summer.

  12. #82
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Hi,

    Wondering how you sized your Dyneema, did you use the colligomarine "stretch chart" (link below) or some other guidance material ?

    https://static1.squarespace.com/stat...quavalents.pdf

    Thanks,
    Mark

  13. #83
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    I did reference that chart. For the most part, I sized things for SS 1x19 and then went up a size. This resulted in safety factors over my 60 degree heel loading (max load) of 8-10. I feel really safe about that. Its much stronger than the steel it replaced.

  14. #84
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Quote Originally Posted by J.Madison View Post
    Nice video! What was the purpose of the stabilizer line to the tree?

    Hope to meet on the water next summer.
    That was how Brion and crew showed me to set it up - it just reduces the amount of play in the line so it doesn't take such wide sweeping circles to keep it going. Sometimes had two or even three of those lines on a single piece.

    Where is your boat now?

  15. #85
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Great thread and congratulations on relaunching Julia back into her element.
    Enjoyed the cruising part of what used to be my old stomping grounds.

  16. #86
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Hi J,

    I've been reading this thread again (great reference!), thinking about getting some rigging ordered in the next month. You mentioned that "The riggers apprentice" (latest addition, mine has nothing) has a section on dyneema rigging, does he get into the creep / stretch guidance. I'm debating purchasing a copy.

    Cheers,
    Mark

  17. #87
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    A marvelous job !!!! Well done .
    '' You ain't gonna learn what you don't want to know. ''
    Grateful Dead

  18. #88
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    You, and your wife, are quite amazing. You build boat after boat, plus re-rig and get Julia sailing again. All the while building a new post and beam shop.
    When do you find time to work for a living???
    I was born on a wooden boat that I built myself.

  19. #89
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Quote Originally Posted by Mark0 View Post
    Hi J,

    I've been reading this thread again (great reference!), thinking about getting some rigging ordered in the next month. You mentioned that "The riggers apprentice" (latest addition, mine has nothing) has a section on dyneema rigging, does he get into the creep / stretch guidance. I'm debating purchasing a copy.

    Cheers,
    Mark
    I'm not sure, sorry. I don't have the latest edition. He did tell me that the new version had more info. It might be worth emailing his shop. They are generally responsive.

    Quote Originally Posted by Rich Jones View Post
    You, and your wife, are quite amazing. You build boat after boat, plus re-rig and get Julia sailing again. All the while building a new post and beam shop.
    When do you find time to work for a living???
    Actually, I always feel like I'm not getting enough done. Especially in winter. I've taken up boat design the last couple winters, so I feel like I'm doing something productive, but I don't have to go out in the rain.

    I don't have kids, or a TV. I do have a restless spirit...

  20. #90
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    I never feel like I'm productive enough either. I do have a TV though. That probably doesn't help my situation.
    If one advances confidently in the direction of his dreams, and endeavors to live the life which he has imagined, he will meet with a success unexpected in common hours.
    -Henry David Thoreau-

  21. #91
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    huh, just made me realize this spring will be my 20 year anniversary of not owning a TV.

  22. #92
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    We've been doing lots of projects on Julia, and I think I'll keep logging them here, even if we move away from the rig for a bit.

    With the onset of winter, we realized that the boat needed more ventilation. I had some jatoba offcuts that I used to make dorade box ventilators.



    Snap your fingers twice.....



    They should dress things up a bit for as long as I can keep up the varnish. Not shown is the 4" diameter copper pipe set through the deck in the forward part of the box. It goes up within 2" of the top of the box, which should keep all but the most extreme seas out. There are screw in caps that replace the cowls if necessary. As soon as the bank account allows for new sails, the boom will be raised a bit, which will greatly increase the lifespan of the ventilators.



    Just visible in the background was the new bronze sheet horse. Already getting green spots from the deck-bucket ritual. Its attachment is a bit unconventional, because I wanted to load up the deck beams, not the decking itself, but I did not want to impede on the headroom 1 millimeter. So I countersunk a bronze bar and recessed it into the beams and used two flathead fasteners up into the sheet horse base from the bottom.



    That Crosby shackle will be replaced with bronze soon.

  23. #93
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Very nice!

    My dorades are similar in design & even with 3 to 4" of green water over the cabintop, only a couple of drips came into the cabin.
    "If it ain't broke, you're not trying." - Red Green

  24. #94
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Very pretty!

    What make of ventilator cowls are those? They're a lot nicer than the Daveys I've seen.

    Alex

  25. #95
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    I think they are beautiful, but they are fairly affordable stamped sheet brass. They were ~$150 each, compared to the cast bronze ones at nearly $1000 each! We will see how they hold up. Not name brand. Likely Asian in origin. They are the full 4" size, many others are only 3".

  26. #96
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Very nice work.
    If one advances confidently in the direction of his dreams, and endeavors to live the life which he has imagined, he will meet with a success unexpected in common hours.
    -Henry David Thoreau-

  27. #97
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Absolutely beautiful boat! Awesome!

    WgMkr

  28. #98
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    We have also been working on adding coamings. I almost left them off, but I wanted someplace obvious to mount cleats and winches so they didn't seem like randomly placed tripping hazards. I also like how the coamings keep things like water bottles, sunglasses, chart books, etc.. contained. The backrest and sense of protection is nice too.

    They are built from jatoba, which must be the worlds hardest wood. It is more dense than purpleheart! Holes have to be exactly the right size for screws, its about like machining iron. The coamings are tapered from about an inch at the top to two inches at the bottom, giving a vertical outside face but a sloped backrest on the inside.



    All-thread rod was used to fasten them to each deck beam. The hole for the washer and nut was counterbored and bunged. Drilling the long holes was a careful operation, but none of them came out the side, thank goodness.





    I always seem to forget to get pictures of things when they are finished. Probably because its usually dark out.



    Anyway, I have more than enough varnish to maintain, so these will be oiled. If that doesn't seem to be working, I might end up painting them.

    Additional support will be provided by the cast bronze winch bases I am gearing up to make.

  29. #99
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    I've been slowly buying new sails over the last year, trying to give the wallet time to recover between them. I went with a loft a few blocks from my house. They are big-branded, but all the sewing is done right there locally.

    They are a fairly heavy construction, with lots of reinforcement and seam coating. I opted for cream colored cloth, because I really like how easy it is on the eyes in bright sun, and I wanted to look a bit distinctive coming up over the horizon.





    Both the Main and Mizzen were built a bit shorter on the luff to allow raising both booms. Now there is standing headroom under the mizzen when standing in the cockpit (though not when on deck), and the main boom clears the heater flue and dorade vents by a healthy margin. An inconsequential amount of sail area was lost, but more than made up for in the big jib. The jib is substantially larger than the original, my intention was to ease weather helm and have a powerful tool for off the wind when the main is best left stowed if the wind is strong enough to allow it. As original, the main was the primary driver on all points, with the gybing risks, chafe, and general difficulty that entails in a seaway.





    Pretty sloppy furl on the jib there....

    We made new sail covers for the main and mizzen. The jib still needs one.

  30. #100
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Sweet photos!

    I missed the coamings post, but I'll second the idea of oiling them. I've got a couple coats of pine tar / linseed oil (allbacks) with a little turps on our cap rails and it look great so far, and easy to apply. I had a "hot pot" on deck so applied it around 60 deg C to thin it all out for the first few coats. It just smells right too.

    What sail cloth are you using ? We've gone with a cream Oceanus as something in tanbark was a bit more difficult to source in the right width. The bolt ropes are spunflex and it all looks great so far (can't wait to go for a sail). the material looks a little pink, but we have been told it will settle down in no time.

    So jealous of a boat in the water !

    Cheers,
    Mark

  31. #101
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    I geared up for bronze casting specifically to make some winch pedestals. That included taking a class offered by the Center for Wooden Boats.



    I then built a furnace using a donated keg from the Diamond Knot brewery and some 3000 degree castable refractory.



    The gas nozzle. (1/8" hole drilled in the copper pipe)





    After burning a wood fire inside for most of a day, it was ready to fire for real. Note that lots of steam holes are needed in the keg to allow pressure to off-gas during the curing.



    And after all of that, I ended up going with wooden blocks for the winch pedestals. I just couldn't come up with a design in bronze that I felt adequately supported the coaming instead of the other way around. I could have made it work with complex coring, but decided against it. In the end I'm very happy.

    The winches are used to set up the running back stays and trim the jib sheets.


  32. #102
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Now that I finally had the jib, I could install the sheet tracks. I could not find 7" flathead bronze bolts anywhere, so I made some by forging silicon bronze rod into the correct shape and cutting a slot for a screwdriver.



    Threads were cut with a die, which only barely works.



    Heading out of Cattle Pass to cross the Straights at first light.



    Continuing south, the wind built until we were sailing rail-down for the first time. Everything passed its first real load test. This is the wind that was threatening to deposit boats onto the beach farther north at the Wooden Boat Festival.



    The other winches we added are a pair of halyard winches for the main and jib. The mizzen needs one as well. The staysail will get a 2:1 purchase instead of a winch. Even so, the jib is slightly too tall on the hoist due to the Dyarchy stay, so I need to re-splice that before we can get proper luff tension. Keeping in mind this is a low tension rig- no standing backstay.


  33. #103
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    All that work for bronze casting was not wasted however. I needed a staysail crane (boom pedestal.) I made up some split patterns to my own design- based roughly off the old Merriman patterns.



    This one barely fit in the mold.



    Pattern removal was not easy. In the future, I might cast the two tangs on the end as solid and machine it out after the fact. That area of the sand needed reinforcing with nails before I got a succesful pull.



    The eye-bolt was easier, if only I could focus the camera.



    It does have a bit of a trick though. A bit of 316 stainless bolt is used as a sort of permanent core, which keeps me from having to cut threads on the part after casting. The bolt was bored lengthwise and then cross drilled so the bronze will lock into it. It sits about 1/8" up into the bronze shoulder, so is very strong.

    To get a good pour, it was drilled full length with a small diameter to serve as a vent. When the pattern was rammed up, a piece of wire was intersecting the end of the hole. When it was removed a clean vent was left all the way out of the sand. The bolt was heated with a torch and placed in the mold right before pouring.



    You can see here that it filled nicely with bronze, even the vent hole has bronze flowing all the way out of the end.


  34. #104
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    The crane itself I didn't get any pictures of casting. It was a fairly large pour, finished weight about 7 lbs. It is very stout. The loop on the front will be for a sheet block. Its already starting to patina after its first week on the water.


  35. #105
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    Default Re: A New Rig for Julia, Parcelled and Served Dyneema

    Quote Originally Posted by Mark0 View Post
    Sweet photos!

    I missed the coamings post, but I'll second the idea of oiling them. I've got a couple coats of pine tar / linseed oil (allbacks) with a little turps on our cap rails and it look great so far, and easy to apply. I had a "hot pot" on deck so applied it around 60 deg C to thin it all out for the first few coats. It just smells right too.

    What sail cloth are you using ? We've gone with a cream Oceanus as something in tanbark was a bit more difficult to source in the right width. The bolt ropes are spunflex and it all looks great so far (can't wait to go for a sail). the material looks a little pink, but we have been told it will settle down in no time.

    So jealous of a boat in the water !

    Cheers,
    Mark
    I don't remember the name of the cream cloth, but its the only cream Doyle offers I believe. It did sort of have a pink hue in some lights, but on the water it looks great. Different weights do appear slightly different, but I haven't noticed it once they were outside.

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