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Thread: Building a 14ft Paul Johnson Dinghy

  1. #1
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    Default Building a 14ft Paul Johnson Dinghy

    HI all,

    I've just started one of Johnson's dinghy's and would like to fire a couple of questions re glass or dynel.

    I have built a wharram 31 and a pram dinghy before so I'm still quite the amateur. I do know from dragging the pram up on the beach for a couple of years the glass was well worn away on the bottom. Would dynel fix this problem?

    Bruce, you know Johnson's dinghy's as well as anyone any advise? I'll give him one thing his plans are quite sparse and leave a lot to the imagination if you don't have the experience. I reckon I could give it a good go without guidance but may as well make it as good as can be.

    This is where I'm up to.


    [IMG] [IMG] I know I need to flatten it out a bit. Johnson said you need to pour stout on the stem and stern to get it to move the way you want it. Stuff that though, Too expensive in this country. So I'm just doing a bit each day.
    [IMG]


    Cheers

    Spadge










    ,,

  2. #2
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Not familiar with this one, can you post a link to the design?

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    Default Re: Building a 14ft Paul Johnson Dinghy


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    Default Re: Building a 14ft Paul Johnson Dinghy

    Stuff that though, Too expensive in this country. So I'm just doing a bit each day.
    I take it you're here in Gods-own?
    Larks

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    “It’s risky”, said experience.
    “It’s pointless”, said reason.
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    "Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great!"

  5. #5
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Yeah man, just updated my profile.

  6. #6
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    Default Re: Building a 14ft Paul Johnson Dinghy

    I am not up to speed on his 14'er, never seen plans. But I have seen a few of them and I have built many S n G 's.
    Is your boat a double chine?
    The two by four with all thread going through it is crucial for prams and small boats I have built. It prevents the middle from going too round, thus , robbing initial stability. As one tightens the vice grip. the center flattens, the rocker increases, and the bottom tightens up, strain on ties and compounding /torturing the ply.
    A fast build is possible, but do go slow if you have time and have never done it before.
    Even build a model ( or 4) with matt board (art store) nat 2inches to the foot. A large scale model will tell you where trouble is coming.
    It looks like your boat is way too round on the bottom, don't do any gluing yet.
    I will hunt my friends Facebook for recent build pics.
    bruce

  7. #7
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    Default Re: Building a 14ft Paul Johnson Dinghy

    here is one he built this past spring, 2012, the blue pram is the one I built last year in the previous post.

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    Default Re: Building a 14ft Paul Johnson Dinghy


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    Default Re: Building a 14ft Paul Johnson Dinghy


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    Default Re: Building a 14ft Paul Johnson Dinghy


  11. #11
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Thanks Bruce, I see my self as a long way from gluing yet, I was going to get the middle plank and sheer strake stitched on first??? I know the bottoms way to round, I started to pop the copper wire when I went much further than this, hence the cable ties, then I thought it best to let it sit for a day or so.

    Yes, it's double chine,
    the plan says: "Middle plank top is a straight line, as is the sheer straik Middle plank is 41/2 inches at stem and 5 inches at stern." Murder point boat works N.S.

    Yea mon no problem. The only other measurements are what you can see in the first photo.

    Cheers

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    Default Re: Building a 14ft Paul Johnson Dinghy

    Man, I was writing that reply as you posted the pics, thanks again. How is the old salt? He still in Carriacou? What a wonderful old man he is.

    That's the same place you fixed up his bounced dinghy last year, I saw that in another post and got to know Johnson around that time.

    The middle plank sure looks bigger than 5 inches at the stern. It may be the photo?

    This was our farewell, much rum and herboligy.


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    Default Re: Building a 14ft Paul Johnson Dinghy

    here is a lil diagram of the bottom thingie, one might even use two on a long boat
    i recon Paul is 75 now, he is good friends with the chap in Windward Carriacou , as am I , where this boat building goes on. The exact numbers of these boats? I dunno. I can hardly tell that there is a second /middle plank in them sometimes.

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    Default Re: Building a 14ft Paul Johnson Dinghy

    Hey, thanks for going to the trouble to draw and post that, Much appreciated. Off to get some all thread in the morn.

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    Default Re: Building a 14ft Paul Johnson Dinghy

    Glue the bottom first, lock up the darts. But no hurry. Once you start gluing, reversing will be much more work.

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    Default Re: Building a 14ft Paul Johnson Dinghy

    Worked like a charm. Cheers!!!



    How wide is the fillet on the bottom? bow and stern are fine as there is plenty to fillet to. But the bottom is just so flat. I guess that's what the fiberglass is for.

  17. #17
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Oh that looks better.
    Now, you gotta be carefull cuz she is going to want to go caddy whompas , or as Johnson might say, caddy f##k pig.
    I like to make an X of strings that cross in , and touch, in the center, a third string fore n aft , stem to stem , and a vertical bobbed string at each end.
    The boat needs chocking, ballasting, tacking, clamping, cussing , or as Johnson would say, stout on her stems.
    This boat was built in a weekend in a dirty dusty parking lot with a generator. Anyway, You can see the string buisness. If your bolts get in the way, just nip them off low, no prob.
    I do not even use tape on S n G boats anymore. I make oversize filets with 403 cotton fibers. But you can stick her together as you go and re filet or glass later.
    back to the original question, I prefer to keep em light, and drag them so that only one or two spots chafe the beach, then put something on the spot, usually a nog of thickened resin. for strength, glass or dynel on the INSIDE is better.But you may not need that strength.

  18. #18
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Dunno if you ever saw this , Wizbang hit the beach about a year ago going fast, rppred into a rock in shallow water and went up and over into the railroad rip rap. She had holes torn into her but the no glass filets did not let go anywhere. quarter inch meranti and 403 filets.

    I drove her home 12 miles , slowly.

  19. #19
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    Default Re: Building a 14ft Paul Johnson Dinghy

    This looks like a Caddy F**k Pig.



    I came back in from making the previous post and she had blown out. The place where I live, the guy works with electrickery so found some heavy copper in his scrap pile and ditched the cable ties. Its holding now.

    She seems to have to much rocker in her, like the bow needs to be pulled down, just from my eye. I am guessing thats what the "chocking, ballasting, tacking, clamping, cussing , or as Johnson would say, stout on her stems." is for?

    I had trouble with my old dinghy getting water logged from dragging up the beach all the time, two young (10 n12) boys gave that dinghy a flogging. She had no glass on the outside, except the seems. I wouldn't tape the seems again in something like this though, as that thing was strong as an ox.
    I should have stiffened the transom before doing this.
    You had to gain speed "gradually". The old engines tiller was seized as well from being on a yacht for so long, so you had to lean to steer. Lots of fun.

    I would be happy not to glass her as I hate sanding the stuff, and have top quality ply. Aussie standard hoop. Compared to the English standard, they call it pink here, (which I think Is meranti) the hoop is a lot stiffer and a lot better quality.

    Again, thanks for your help.

  20. #20
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    Default Re: Building a 14ft Paul Johnson Dinghy

    To my eye, too much wood was taken away from the dart. the dart is too big.
    Stitch the bows up, ignore the gaps, just look at the shape of the hull.
    You can fill the dart later, with other overlapping/ tapered quarter inch darts , and it will be better than if you had made a perfect fit .

    um, is that a 25 yammy on a 10 foot pram ?

  21. #21
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Sorry, whats the dart?

    "um, is that a 25 yammy on a 10 foot pram ?"
    Yep, full speed was way out of the questin though.

  22. #22
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    Default Re: Building a 14ft Paul Johnson Dinghy

    the dart is the cutaway the long VEE's cut from the bottom
    stitch her into a nice shape, ignore the gaps

  23. #23
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Yeah dunno, followed the plan?
    Gaps are good, more glue. Gluing this avo once string lines are in place and I'm happy all is well

  24. #24
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Where did you get the plans (such as they are), from PJ himself? Did you become an agent Bruce, you were talking about it.

  25. #25
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    Default Re: Building a 14ft Paul Johnson Dinghy

    I only know about the offsets to the 28 and 34 Venus. Nothing of the Sn G boats.

  26. #26
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Hi Gareth, I lived in Carriacou for 8 months a year or so back, helped Johnson out a whole bunch on board Cherub and as I was leaving he gave me the plan to the 14 footer.

    We also sat down together and pulled out his old log book from when big Venus went down in the Torres Strait all those years ago. We sat and plotted and drank and cried and we think we have found her location. That's why I'm building this dink now. I'm planning to go and have a good look around for her early next year with the idea of restoring her. There is a few items on board which Johnson would like to see again as well.

    It's a big mission, but it would be fun.

    Is Johnson still in Carriacou Bruce?

  27. #27
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    Default Re: Building a 14ft Paul Johnson Dinghy

    huh, I have been there for a while for a few years.
    have we met? whats yer name/ You know Dave who lives in Windward? You know my brother, John Smith, of Mermaid?
    I think PEJ just left coocoo, but he may just be up in Nevis or something, I do not think he's gone to the Azores .
    Is Big V up on the beach? I assumed she was smashed to itchy bits of foam.
    20 questions again.

  28. #28
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    Default Re: Building a 14ft Paul Johnson Dinghy

    I think we met one time. I was havin a drink with some germans at Troys restaurant, can't remember the name of it now. You had just arrived< I remember seeing Windwood and asking you if it was of the same design as Cherub. I hadn't met johnson at this stage, he had just had his accident which you fixed up his dinghy. I remember you seeming rude so didn't bother talking to you again (grin).
    Never did meet john although I may have and not realized it? I know the boat though. I did meet Dave but wouldn't say I know him.

    I had two teenage boys and a dark haired girl traveling with me, if that jogs your memory? We lived up the back of Lambi Queen on the hill, Old man Cudjoe's place.

    Apparently Big V hit the reef, PJ had time to anchor her and close all the hatches, she may have gone over the edge in which case she is gone, but she may not have??? The old darned if you do and darned if you don't. So I have to at least try and find her, would love to get her floating again.

  29. #29
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Quote Originally Posted by Cap'n Spadgett View Post
    Hi Gareth, I lived in Carriacou for 8 months a year or so back, helped Johnson out a whole bunch on board Cherub and as I was leaving he gave me the plan to the 14 footer.

    We also sat down together and pulled out his old log book from when big Venus went down in the Torres Strait all those years ago. We sat and plotted and drank and cried and we think we have found her location. That's why I'm building this dink now. I'm planning to go and have a good look around for her early next year with the idea of restoring her. There is a few items on board which Johnson would like to see again as well.

    It's a big mission, but it would be fun.

    Is Johnson still in Carriacou Bruce?
    Wow, great adventure. I met a former girlfriend of his a few years (or decades) ago, she was pretty funny and we laughed about the subordinate role she had to play, I think he even used to address her as "Woman", our conversation was curtailed by her Pommy boyfriend getting stroppy

  30. #30
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Forgot the name Question, Steve, Steve Padgett. Say g'day to Andy for me when you see him will you, and mumble something about the cricket.

    And if your speaking to Johnson at all let him know I haven't given up on the idea. I have tried to call him several times but for the life of me cant get the number right.
    Last edited by Cap'n Spadgett; 11-01-2012 at 02:22 AM. Reason: remove swearing :-)

  31. #31
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    Default Re: Building a 14ft Paul Johnson Dinghy

    rude? me? wha?

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    Default Re: Building a 14ft Paul Johnson Dinghy

    Big grin

  33. #33
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    Default Re: Building a 14ft Paul Johnson Dinghy

    I finally got to spend an afternoon on the dinghy. Darts were glued a few days ago and sides went on today.

    Following these instructions: "Middle plank top is a straight line, as is the sheer straik Middle plank is 41/2 inches at stem and 5 inches at stern." I managed to come up with the above.

    Here is a shot of the plan. Sorry, I had to remove the measurements as it is Johnson's design, I would have to run it by him before putting it up online.

    Top plank could have been a little higher I think, but that is all the ply would allow me. I had one piece of ply ripped in half, then scarf jointed for the sides. Anyway, should be fine.
    I am out of Cabosil, more coming in the next couple of days. I am going to stitch glue the outsides then remove the cable ties once dry.
    This way I can assure all holes are filled as I am not going to glass it.

    Johnson was laughing when he said every one of these boats turns out a little bit different. This one will be no exception :-)

  34. #34
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    Default Re: Building a 14ft Paul Johnson Dinghy

    that is what happens with these, all a bit different, but , "an afternoon spent on the boat" , and you have just about got a boat!
    bruce

  35. #35
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    Default Re: Building a 14ft Paul Johnson Dinghy

    Bruce or any one got an idea on a sail plan? I was thinking a second hand windsurfer rig. I should be able to find one of them cheaply.

    Is there a cheap make yourself creations?

    Steve

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