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  1. #16
    Join Date
    Feb 2011
    Location
    San Diego, CA
    Posts
    236

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    Great idea for testing the joint Mik, I'll give it a try. I'm heading out this weekend in Mission Bay, and will check it afterwards as well.

    c222, I have attached a photo of the boat on the trailer when I hung my duckworks sail for the first time. The boat is not one of the SF boats. I actually tried to buy one of those first, but it was sold already. I'm happy with mine, and certainly appreciative of all the time and attention to detail that the builder put into it. I hope they see these posts, and are happy that the boat is being put to use. From what I was able to gleam from the second owner, who I bought the boat from, the builder lives in Washington state and is not a sailer. They got overpowered on their first jaunt, ( using an unreefable polytarp sail). They then sold the boat, and moved on to a new boat builidng project.

    The only major hull tweak I was planning on is to install inspection hatches, as there are none right now. Ignorance isn't always bliss, if there is water in them there buoyancy tank. The builder decided to notch the transom, rather than having a tiller slot. I actually like this arrangement, as the mast lays down in this notch when not stepped.

    Wood and John, I have been in the boat on the trailer changing the rigging, but will not do that anymore. I have not had to roll the boat to empty the bathtub, and the seam separation was not there when I took possession of the boat.

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  3. #17
    Join Date
    Dec 2009
    Location
    Texas
    Posts
    319

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    A comment on your trailer.

    Mik had recommended that the rear of the boat be supported underneath bulkhead number 4. If you don't have the plans that is located at the forward vertical face of the rear air chamber. (the first set of frames from the back)

    Compare our trailer pictures.

    Maybe the overhang is stressing the butt strap while the boat is bouncing down the road on the trailer?

    Great looking GIS!

  4. #18
    Join Date
    Jun 2009
    Location
    New Hampshire
    Posts
    960

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    Yeah, rolling the boat over on the side with a load of water in it is definitely not a good idea, a 5 gallon bucket is almost as effective and almost just as quick. I have never done that, but that's a good thing to think about for Warm Beer.

    I've got my boat on my trailer, and the span between the main supports is a little less than John's, but I have a bow support that the front runner sits on and Imade sure the forward main support sits underneath the joint area so it wasn't hanging in space around this area.

    For mine, I'm thinking a poor gluing job and lots of rough water. Payson joint it is, for me. Stay tuned.

    Nice clean job on the Buttstrap there John. I'm not going to touch mine, it's on solid on the inside, no cracks, seams, or anything, the boat looks good on the interior, let sleeping dogs lie.

  5. #19
    Join Date
    Jun 2009
    Location
    New Hampshire
    Posts
    960

    Default

    Oops didn't see the picture. NICE BOAT! She looks great. I'd try to move the boat forward myself, too If I could, and leave a little less hanging off the end, but I don't see how those forces of bouncing up and down would translate to that vertical joint, but I am not strong in the physics.

  6. #20
    Join Date
    Apr 2009
    Location
    Hunter Valley NSW
    Age
    69
    Posts
    1,759

    Default

    Warm beer, your trailer is a little short, but there is a solution. I've added these rocker skids to mine, which pivot up and down. They are spaced just outside of the runners, which makes loading easy and self guiding once you've located the runners inside the rockers.

    They will spread the load considerably.

    Attachment 165222 Attachment 165223

  7. #21
    Join Date
    Feb 2011
    Location
    San Diego, CA
    Posts
    236

    Default

    Great idea on the rocker skids Wood. There definitely is a bit of hull hanging in space with my current trailer rig, and I like your solution. I'm going to make that alteration to mine.

    When I get a few more pictures together, I'll tell the story about sailing on the day the Tsunami hit San Diego. A bit ignorant on my part, but definitely exciting.

    I wonder how many posts you have to make before they are not screened anymore?

  8. #22
    Join Date
    Jul 2005
    Location
    'Delaide, Australia
    Age
    65
    Posts
    8,138

    Default

    Bruce's rocker skids pivot (or the wooden bit) so they will match the boat's angle when loading or unloading - a nice touch.

    MIK

  9. #23
    Join Date
    Feb 2011
    Location
    San Diego, CA
    Posts
    236

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    I think Mik is right - it was a one time hull stress thing, and the only damage was separation of the paint along the seam.
    (1) Per his suggestion, I tried to flex the seam, and observe to see if it opened. I had my son sit in the boat on the trailer, and push the buttstrap area with his feet. He has strong legs, yet I could see no movement in the seam.
    (2) I sealed the seam with polyurethane, and after a good sail in 10-15 knots, when I got home there was no water penetration that I could observe.
    (3) I think I know how the seam got "stretched". My trailer does not have notches in the forward hull support for the bottom runners, and my bottom runners are thick, and do not taper into the hull. We were loading the boat onto the trailer, my son was cranking the trailer winch and the runners got caught up on the forward support, preventing the boat from sliding onto the trailer. I took me a sec to figure out what was going on, as I thought he was just not putting enough muscle into the job. I think I told him to crank harder. ) Thinking back, that is a lot of force - how to turn your goat into a string bean.

    Here are a couple more pictures. A good shot of the notched transom, and a shot of my duckworks sail not under load.

  10. #24
    Join Date
    Jun 2009
    Location
    New Hampshire
    Posts
    960

    Default

    Good theory!

    You can probably get the yard higher to the top of the mast and give you more head clearance. (unless this what you meant by "not under load")

    Good looking boat! The way things are going, your kid is going to grow up to be an ocean cruising 21 year old vagabond, like this guy was in the 70's:



    What freedom! He's going to buy a cheap boat, fix it up, and sail it to the Caribbean! Not a bad thing, not a bad thing at all.

    (no, not me, just a very romantic picture that I drool over)

  11. #25
    Join Date
    Aug 2010
    Location
    New Jersey, USA
    Posts
    767

    Default

    It's good to hear that you may have solved it with minimal measures.

    I think I like the notched transom ! Any pics from the rear? I guess I'm asking the check out your boat's butt. Strictly for research purposes, I promise.

    Also, thumbs up on teaching the boy to use PFDs from an early age. I will show your pics to my son, age 10.5, to inspire him and get him stoked about my own yet-to-be-built GIS. (however, I'll try to hide C222's pics of ne'er-do-well windjammers wasting their time in the sun and waves instead of studying and doing chores...)
    Dave
    StorerBoat Builder, Sailor, Enthusiast
    Dave's GIS Chronicles | Dave's Lugs'l Chronicles | Dave's StorerBoat Forum Thread

  12. #26
    Join Date
    Feb 2011
    Location
    San Diego, CA
    Posts
    236

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    Call222 - yeah, I could swear I had the gaff higher when we started the sail, and sure enough, the downhaul was loose when I checked it right after this photo. Something slipped somewhere. My halyard is pre-stretch. Along those lines, I would love to be able to adjust the downhaul from further aft, as my sail likes a looser downhaul from a beam reach to straight downwind, but tight for pointing. I'm trying to pick a way to run it aft.

    My son, age 7, really enjoys sailing. We sailed around a fleet of kids racing prams, and he lit up on the idea of getting one to race himself. It is a blast teaching him how to sail, (though I have to hold back on asking for the tiller if we come up on a fat cat that I want to sail over the top of.)

    Your photo is great, it looks like the fellow on the bowsprit is having a good time. It reminds me of growing up in Miami. We used to take my friends Macgregor 36 catamaran over to the Bahamas during summer school breaks. When we returned we would often sail into the port of Miami to clear customs. All tan, rummed and happy, we would wave to the tourists on the rails of the cruise ships to get their attention. Then we would turn in unison, drop drawer, and welcome them to Miami in a different way. Can't tell in the picture if this is what he's up to, but it sure brings back the memories ).

    and while we're on the subject ... davalfont, I'll take a good picture of transom from the stern perspective. I like the notch, in that I can lay the mast there while trailering, and I can easily mount and remove the tiller box while the boat is in the water. I think you must give up a bit of hull stiffness, though as a sacrifice. I won't let my son take off the PFD, though he tries to talk me into it from several different angles. It helped to sail by the pram fleet and see every one of the sailers wearing a PFD.

    The goat is an excellent boat for learning to sail, like a bigger, badder, faster, and cooler laser or sunfish. I've particularly noticed that the rudder is very well balanced at all points of sail. I need to add telltales to my sail though, as it isn't easy to read for correct trimming, and using the telltales is a good thing for the kids to learn anyway.

  13. #27
    Join Date
    Jul 2005
    Location
    'Delaide, Australia
    Age
    65
    Posts
    8,138

    Default

    Howdy,

    Often with telltales the ones in the body of the sail can be disturbed by the wake of the mast. But leech ribbons are always good to check for oversheeting.

    MIK

  14. #28
    Join Date
    Jun 2009
    Location
    New Hampshire
    Posts
    960

    Default

    Warm Beer,

    Totally epic story about Miami, good for you! Dropping Trou in front of a cruiseliner on a sailboat? Priceless.

    I think Bruce (woodeneye) has his set up to run aft, I'm not sure, you're going to want to check. Figure out the halyard slippage/stretchage-- the "brutal downhaul" will definitely eat up a sub-par haylard, regardless, the sail looks good, bent on really nice. Is that a Duckworks sail?

    Are you wearing your PFD to set the example?

    I grew up on water. Always wore my PFD, almost. When I was 16 I lost a coworker who wasn't wearing one. Always Always Wore my PFD after that.

  15. #29
    Join Date
    Feb 2011
    Location
    San Diego, CA
    Posts
    236

    Default

    Davlafont - here are the transom pictures


    Yep Callsign222, seriously good times. Yep, a duckworks sail. I read through your posts about tuning your sail, and am curious what you think about the outcome.

    Hmm, PFD, yes and no. Yes in ocean, and stiff breeze. No on slack days / no waves. I am, however, always sitting on a PFD boat cushion in those conditions. On a similar sad note - there was a tragedy here in San Diego recently, when a 5 yr. old drowned on the first day a family tried a new canoe on the bay. The canoe flipped, and the boy had a PFD on, but it was too big, and he slipped out of it.

    Here is a new thread I started about running the downhaul aft.
    https://www.woodworkforums.com/f169/g...stions-133430/

  16. #30
    Join Date
    Feb 2011
    Location
    San Diego, CA
    Posts
    236

    Default

    OK, I picked up some West System G-flex epoxy to add to the area between the buttstraps and the chinelogs. Any tips on preparing the surface before application?

    When researching the inspection ports I'm going to add, I came across this inspection port water bottle holder. Really great idea to stop the bottles from rolling around the floor of the boat.
    http://www.bottleport.com/
    [ame="http://www.youtube.com/watch?v=ctJODgd4YLw&feature=player_embedded"]YouTube - www.bottleport.com[/ame]

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