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  1. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    The gaff jaws saw a little evolution near the end...

    The gaff jaws saw a little evolution near the end of the golden age of sail. Most racers went to a saddle, instead of jaws. The logic was, it was lighter, even though made of metal, they offered less...
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    727,689

    CLAIMED I'm in

    I'm in
  3. Replies
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    2,942

    Very nice Mic, also pleasing to see some shapes...

    Very nice Mic, also pleasing to see some shapes in the topsides. Could the smaller rigs use a windsurfer sail?
  4. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    Bunks ideally should be located directly below...

    Bunks ideally should be located directly below any internal longitudinal stringer. This is particularly true on powerboats, but just as important on sail. On powerboats that run the usual suspects...
  5. Thread: Which paint?

    by PAR
    Replies
    11
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    2,093

    Yeah, getting though the content list and...

    Yeah, getting though the content list and figuring out what it really is can be daunting. Generally there's a few basic types; the acrylics (latex), which can have modifiers added, the alkyds (oils)...
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    The simplest system of these types of runners is...

    The simplest system of these types of runners is a centerline piece that captures or is captured by another piece. To get it to lock, just before the runner gets to the end of the guide, it has a...
  7. Thread: Which paint?

    by PAR
    Replies
    11
    Views
    2,093

    A good quality single part polyurethane will...

    A good quality single part polyurethane will provide nearly as good a finish as the two part LPU's but with much less trouble and cost. It can be brushed, brushed and tipped off or sprayed. Just...
  8. Replies
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    2,137

    Covering these types of things with fabric is...

    Covering these types of things with fabric is generally frowned on, as now you've married yourself to it being there with little hope of removing it cleanly for a repair at some later point. Rub...
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    2,137

    I prefer to attach strakes from the outside,...

    I prefer to attach strakes from the outside, mostly because the fastener penetration doesn't go all the way through the planking, which has obvious leak potential benefits.

    I have a 15' power boat...
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    2,137

    Rub strakes are a good idea and they are...

    Rub strakes are a good idea and they are typically about 20x40 on the flat. Round over the outboard edge, but leave the inboard edge as crisp as practical, just enough so paint will stick. The crisp...
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    1,881

    Your "fellow boater" is absolutely correct, in...

    Your "fellow boater" is absolutely correct, in that an un-encapsulated hunk of plywood will eventually absorb moisture and cause issues. This would be particularly true of a mechanically fastened...
  12. Replies
    459
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    1,065,653

    CLAIMED I'm in

    I'm in
  13. Thread: Waller 1100

    by PAR
    Replies
    6
    Views
    3,544

    Good for you to consider building a boat. The...

    Good for you to consider building a boat. The hull material choices have a lot less to do with it's value, than may seem obvious initially. As a rule any home built boat, particularly of this size,...
  14. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    I've found foam brushes leave fewer brush strokes...

    I've found foam brushes leave fewer brush strokes and of the ones they do leave, they'e small enough to "lay" down as the finish "relaxes" and starts to set. Slow, deliberate strokes and not too...
  15. Replies
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    16,423

    Once you have the illness, it's pretty much all...

    Once you have the illness, it's pretty much all you can think about, unless you're in the moaning chair thinking about something more intimate to the current project. Drop me an email and we'll see...
  16. Replies
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    2,104

    The bottom "rubs" are pretty common in shoal...

    The bottom "rubs" are pretty common in shoal water, flat or shallow V bottom boats. For directional stability (tracking) they're best shaped with a crisp inboard edge and a well rounded over outboard...
  17. Replies
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    2,104

    If you are epoxying the false keel down, you only...

    If you are epoxying the false keel down, you only need temporary screws to hold it down, while the goo cures. After which you'd remove them and plug the holes (more goo). This said, you can leave the...
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    Welcome back and back to it, looking good. Carl...

    Welcome back and back to it, looking good. Carl does a nice job of getting these puppies to go together nicely, doesn't he?
  19. Yep, that's the proper way to do it. The pieces...

    Yep, that's the proper way to do it. The pieces you've described are considered sacrificial in nature, which requires they be removed, repaired or replaced from time to time, so they are "bedded"...
  20. Replies
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    16,423

    There's nothing more gratifying than launch day...

    There's nothing more gratifying than launch day and nothing more impressive than the smiles from the builder, once they realize it floats and isn't leaking. Congratulations.
  21. Replies
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    16,423

    It always take 2 - 3 times what you figure. Ass...

    It always take 2 - 3 times what you figure. Ass and head scratching sessions, some crying and bleeding and the unavoidable screw ups that are bound to join your adventure, just eat up time. If it was...
  22. Replies
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    16,423

    I saw a cool looking hardtop on a CC a couple of...

    I saw a cool looking hardtop on a CC a couple of years ago. The sides of the top, just past the uprights had a piano hinge running fore and aft, which permitted the top to fold down on each side,...
  23. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    I've found ties are where you need them, to draw...

    I've found ties are where you need them, to draw in wayward staves. Some will have natural curves from internal stresses, so you simply "suck" them in as you tip it up. I just did a neat teardrop...
  24. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    I've made hoops like this, though I don't like...

    I've made hoops like this, though I don't like them much. They're noisy, stack poorly, like to tear up varnish, etc. I found you have to generously radius the inside edge, so they can slide up and...
  25. Replies
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    1,559

    Polyurethanes work well, but unlike epoxy, these...

    Polyurethanes work well, but unlike epoxy, these need close fitting joints and significant clamping pressure to get insurable joints. These adhesives also tend to foam up (expand) as they cure, which...
  26. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    At this stage of the build multiple glue ups...

    At this stage of the build multiple glue ups shouldn't create a problem, the whole boat is multiple glue ups. Witness marks, shown in one of the images above insures they're where they need to be....
  27. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    I assemble birdsmouth similarly, though I do one...

    I assemble birdsmouth similarly, though I do one half at a time. On a spar that size (small), I'd do both halves at the same time, with a slow hardener, so I have the working time to get the goo...
  28. Thread: blocks and pulleys

    by PAR
    Replies
    9
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    1,619

    Files set, check your email. If you don't have...

    Files set, check your email. If you don't have it, send another email and I'll double check the address to make sure I didn't mistype something (a very likely possability, if you know my typing...
  29. Replies
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    Polyurethane adhesive is an option, though has...

    Polyurethane adhesive is an option, though has it's own issues to contend with. It's a single part adhesive, but needs a lot of clamping pressure to work (unlike epoxy) and it foams up, out of seams...
  30. Thread: blocks and pulleys

    by PAR
    Replies
    9
    Views
    1,619

    Send me an email and I send you a page I supply...

    Send me an email and I send you a page I supply with all my sailboat plans (free), which contains a few different ways to make blocks.
  31. Replies
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    Work is a real pain in the butt, except for the...

    Work is a real pain in the butt, except for the money, career, benefits package and retirement plan stuff . . . ;)

    Yeah, you gotta really want a strip planked boat, for the tedious effort it...
  32. Replies
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    16,423

    No, not particularly, though the splash well...

    No, not particularly, though the splash well looked shallow to me. On a long shaft, not much of an issue, but maybe on a short. The design looks to handle this a little differently, so I'll bet...
  33. Replies
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    Will you be sealing in the area below the top of...

    Will you be sealing in the area below the top of the mount and lower bolts?
  34. Replies
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    16,423

    3 layers of 19mm plywood will be fine for a 100...

    3 layers of 19mm plywood will be fine for a 100 HP outboard. This is also near the max for the clamp, so don't go much thicker than this, unless you check the physical dimension for the outboard...
  35. Thread: Milky Varnish

    by PAR
    Replies
    2
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    1,087

    Mix up a 50/50 mixture of olive oil and vinegar....

    Mix up a 50/50 mixture of olive oil and vinegar. Apply along the grain with a soft cloth. If you need more "removal" use straight white vinegar on the cloth. Some might suggest baking soda and...
  36. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    You've identified the usual suspects when...

    You've identified the usual suspects when steaming goes bad. If you have good stock, with appropriate grain, the main issue isn't time in the steamer, but how much heat. On species that like to bend,...
  37. Replies
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    16,423

    Very nice work, appears to be quite fair.

    Very nice work, appears to be quite fair.
  38. Thread: A new Hartley TS16

    by PAR
    Replies
    59
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    13,603

    Looking will not help much, you'll have to mix...

    Looking will not help much, you'll have to mix some up and test it. In other words, will it mix reasonably at room temperature. How about at 80 degrees? How much "pot life" time at this temperature?...
  39. Thread: A new Hartley TS16

    by PAR
    Replies
    59
    Views
    13,603

    Most room temperature cure bisphenol A's and F's...

    Most room temperature cure bisphenol A's and F's use some form of non-reactive viscosity modifier (one of a few different chemicals). There must be a shelf life on these, causing the goo to revert to...
  40. Thread: A new Hartley TS16

    by PAR
    Replies
    59
    Views
    13,603

    I understand the chemistry, but not so much the...

    I understand the chemistry, but not so much the effects of age on it. If you heat it and let it cool to room temperature, will it get hard again? If so, I wouldn't trust it.
  41. Thread: A new Hartley TS16

    by PAR
    Replies
    59
    Views
    13,603

    Epoxy is pretty stable, though if sold in cans,...

    Epoxy is pretty stable, though if sold in cans, it will discolor quite a bit, depending on how the inside of the can was treated, if at all. I've used goo that was several years old, both opened and...
  42. Thread: A new Hartley TS16

    by PAR
    Replies
    59
    Views
    13,603

    How much past the expiration date, as I've used...

    How much past the expiration date, as I've used quite old goo without issues, previously.
  43. Thread: Tom Cat

    by PAR
    Replies
    460
    Views
    106,647

    You could always go with a six sided birdsmouth,...

    You could always go with a six sided birdsmouth, instead of 8, if you have enough.
  44. Replies
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    1,966

    Lovely work, what does she weigh? General...

    Lovely work, what does she weigh? General scantlings?
  45. Replies
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    1,238

    Taped seam builds typically apply fabric over...

    Taped seam builds typically apply fabric over both sides of the seams, to control the plywood. If it's on one side only, the joint can "hinge" under load and crack.
  46. Replies
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    Grind the damage back to good wood and a feather...

    Grind the damage back to good wood and a feather edge, transitioning to the surrounding areas. This provides a place for the repair to live and smoothly feather into the neighboring planking. Wet out...
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    SNC's can be redeemed at any time and for...

    SNC's can be redeemed at any time and for whatever you (actually her) might desire. There are some standardized rates and deed recommendations for points accrued, but not being part of that gender,...
  48. I use an asymmetric notch, so I can see which...

    I use an asymmetric notch, so I can see which side the stick is laying on. It just makes positioning faster. There's also no guessing, when the notch and the stick are traced, instead of using tick...
  49. This tool has several names and it's a lot easier...

    This tool has several names and it's a lot easier to understand if you watch someone use it, than to describe it. On complex shapes it can be damn tedious, but it is effective and accurate. You have...
  50. I run into this both in and outside the industry....

    I run into this both in and outside the industry. Some just like to buy into something, be it a concept, principle, technique, material combination, etc. and they just for the life of them, can't see...
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