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Type: Posts; User: Todd Bradshaw

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    Re: NÝrthern Lights

    Shot from my backyard a couple years ago. Not bad for being in the middle of the city.

    http://i1303.photobucket.com/albums/ag153/ToddBradshaw/assorted/kg-010a_zps9xcvygkm.jpg
    ...
  2. Re: New designed Miniature canoe yawl/ rowing sailing canoe

    It looks really good. You may find that the bridle attached to the main halyard is more trouble than it's worth, but it will depend on what you end up with in terms of spar bend vs. the luff's shape,...
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    Re: Am I getting old?

    This is true, and what is equally as important is that the musicians can now distribute the music themselves, without having to rely on the record companies. The 16 track Korg deck I have in my...
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    Re: Am I getting old?

    They did (a couple were music majors and others could be considered record collectors). Me, not so much. My exposure was mostly top 40 AM radio at the time (didn't own a stereo and didn't have much...
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    Re: Am I getting old?

    I haven't listened to that song for years, but was kind of surprised at all the rather unusual stuff going on in the background tracks - the Leslie speakers and other instruments. Never really...
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    Re: Still confused about sheathing.....

    Yeah...right.....RFNK, as if I need you guys to tell folks what I mean. The following are my quotes on this thread regarding the trenching method, including every time I even typed the word. I think...
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    Re: Still confused about sheathing.....

    Fear not fans. My panties are doing just fine - smooth and bunch-free, just like my fiberglass overlap joints. I don't believe I ever said that there was only one way to do the job. I said that in...
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    Re: How I measure my epxoy

    That's a great quote. :)

    As a side note for those like me who often tend to mix bigger batches than they eventually need, buy a can of graphite powder. If you have epoxy left after the job, dump a...
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    Re: Still confused about sheathing.....

    Tapered cloth? Again, this is 6 oz. fiberglass, and anybody who has actually ever sheathed a boat with it can tell you that once applied, it is already extremely thin. Chances are that your first...
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    Re: Still confused about sheathing.....

    Mikey, to start with I see little reason to lay anything between the lines in a discussion on composite constructions. Perhaps you should stop trying to find any hidden meanings there and concentrate...
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    Re: Still confused about sheathing.....

    Are there any boatbuilding methods, old or new, that don't? There is very little in boatbuilding that doesn't involve some sort of compromise. As far as I know, nobody has yet built the truly perfect...
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    Re: Still confused about sheathing.....

    ....and that sentence is how you choose to say something about meanings?



    I simply said that I don't believe the trench is needed and showed a photo that illustrates what I was talking about....
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    Re: Still confused about sheathing.....

    Hmmmmm. Maybe, but certainly not always. My wife is a molecular biologist and holds half a dozen scientific patents. She is very often an incredible stickler for following strict procedures with no...
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    Re: Still confused about sheathing.....

    Again, I will question the validity of even calling it "grinding". It ain't!....especially on six ounce cloth. A twelve year old with a $50 random orbit machine and an 80 grit disk can feather out...
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    Re: Still confused about sheathing.....

    An awful lot of the folks here are also pretty clueless about the actual thickness of fiberglass sheathing. I think we all tend to think of fiberglass in terms of the sort of thickness we might find...
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    Re: Still confused about sheathing.....

    Fiberglass cloth will move, stretch and distort a bit as you saturate it and squeegee it. Trying to plan where the edges will end up ahead of time is neither exact or easy. There really is no need...
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    Re: Nylon straps for Guide Boat seats?

    It could, though that will probably be a matter of what is left on it, or ground into the weave that can support growth. We see the same sort of thing on boat covers, where the acrylic fabric won't...
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    Re: Nylon straps for Guide Boat seats?

    First of all, understand that about the only thing that will rot synthetic webbing (nylon, polyester/Dacron, polypropylene, polyethylene/Spectra, Kevlar, etc.) is UV exposure. You can certainly get...
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    Re: CPES not available?

    The WEST epoxy that you have will do a better job of sealing plywood edges than CPES ever will.
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    Re: Nylon straps for Guide Boat seats?

    Nylon stretches a lot when wet. Of the materials mentioned so far, it is by far the least desirable. I'm not sure what they expect the foam between the webbing layers to do, but it's a pretty...
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    Re: Breaking in new cotton sails

    Clipper, Clipper light and Oceanus are great fabrics, but even the lightest weights made are around 7 oz. which is too heavy for small boats. You can substitute them for applications where you would...
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    Re: Breaking in new cotton sails

    Mohsart, your terminology is fine, and Wizbang's suggestion of not sailing reefed until the sail has been broken in a bit is a good one. The key seems to be gradually allowing the sail to stretch out...
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    Re: Breaking in new cotton sails

    There actually isn't a lot written on the subject in the old sailmaking books that deal with the issue (and no mentions of anything as crazy as a season of downwind sailing). As your sails "break in"...
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    Re: Removing old Varnish

    Yes, but if you don't know exactly what they did to prep the varnish surface before painting it's difficult to assume it's an accurate example of anything. Also, as far as I've heard, varnish lifting...
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    Re: Dinghy sails

    I'm still building, but on a rather limited basis and just little stuff, as I'm still recovering from heart surgery in late December to replace a section of my upper aorta with a piece of Dacron...
  26. Re: Polyurethane top coat directly over epoxy

    I guess we're also supposed to assume from your repeated use of the word that "professionals" always know what they're doing, and/or always make sure to do things properly and never cut corners....
  27. Re: Polyurethane top coat directly over epoxy

    The main reason to seal fairing compound is actually because most of them (as well as some primers) contain microballoons. When you sand them, the sanding cuts some of these tiny hollow spheres on...
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    Re: Plans for lug rig.

    That's exactly the pain in the ass I was talking about, especially when you have conveniently left out the part where you are also working the tiller at the same time (and the mainsheet, for that...
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    Re: Plans for lug rig.

    "Head banger" is another one of those over-inflated boating phobias with a minimal basis at best in actual facts. Sure, you can get hit in the head with your dinghy boom. The alternative would be to...
  30. Re: Polyurethane top coat directly over epoxy

    I think maybe we should start an epoxy resin phobia support group. We can help those individuals who are terrified of amine blush (even though most of them have never actually dealt with it and are...
  31. Re: Sailing Dinghy Shroud Adjusters - Are they worth the price?

    We used to see a lot of the same thing in our ski shop......and when their performance doesn't improve, the new equipment is blamed and labeled as junk.
  32. Re: I think this might be photo shopped. . .

    Yeah, the bow wouldn't be that much higher than the stern with no jib up..... :)
  33. Re: Polyurethane top coat directly over epoxy

    Gee, there's a little shop in Michigan with a pretty decent track record (better than most on this board) with a history of doing this for decades, especially with LPU. Maybe you've heard of them,...
  34. Re: Sailing Dinghy Shroud Adjusters - Are they worth the price?

    I'd be willing to bet that the time you spend fooling around with releasing and then re-tightening the shrouds will actually cost you more VMG than simply sailing a slightly higher course, but paying...
  35. Re: Polyurethane top coat directly over epoxy

    No, that one is the Ace polyurethane floor enamel and I had it custom-mixed. I still have an Old Town catalog from 1970, and in it was a photo of a wood/canvas, 15' "Lightweight" model with a couple...
  36. Re: Crowd design for an aerial survey balloon

    Or go whole-hog historic, like this one. :)

    http://www.airships.net/wp-content/uploads/Clemens-macon-model-flying-550x360.jpg

    http://www.airships.net/blog/giant-radio-controlled-model-uss-macon
  37. Re: Polyurethane top coat directly over epoxy

    - If you prepare (sand) your epoxy properly, there won't be "imperfections" that need filling with primer and any scratches will be a size and depth that the enamel itself will cover just fine.

    -...
  38. Re: Polyurethane top coat directly over epoxy

    Vulnerable? To what exactly would it be more vulnerable and what evidence is there of this?
  39. Re: Crowd design for an aerial survey balloon

    Not a bad idea. Balloons fly at the speed of the wind, so there basically is no wind present while you're flying. Towing one is a whole different story and you quickly notice both the high amount of...
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    Re: Polytarp- hot glue sails

    A good sailmaking book would be a monumental task. Even Marino's "Sailmaker's Apprentice", which is a fantastic book that will probably be the bible of amateur sailmakers for generations has plenty...
  41. Re: Polyurethane top coat directly over epoxy

    Not much. Other than using a bit of System3 and some proprietary G-Flex-like stuff on downhill ski repairs and polyethylene canoe repairs, I pretty much stick with WEST 105/205 for most jobs or...
  42. Re: Polyurethane top coat directly over epoxy

    I think the "advantage" is that the primer isn't doing anything that I need it to do. I don't find epoxy all that hard to sand (maybe because I used to sand resin for a job when I was in college, but...
  43. Re: Polyurethane top coat directly over epoxy

    "Trashy blushing epoxy" is pure B.S. from a guy who is trying to sell you something different and often doesn't know what he's talking about. While there are certainly some paints that will benefit...
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    Re: Polytarp- hot glue sails

    3M Super tape is great stuff for very smooth, reasonably strong seams on laminates or spinnaker cloth in particular, but you'll have to pay a retail price of $30-$50 for a 60 yd. roll of it. That's...
  45. Re: Crowd design for an aerial survey balloon

    Not likely to happen unless the fins are huge or you're dragging the think a lot faster than you plan to. I can't see any sense at all in hanging the camera on a wire or line. It will just impart...
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    Re: Polytarp- hot glue sails

    Scrim laminates, whether polytarp or high-tech Mylar sailcloth don't sew particularly well. The plastic isn't tear-resistant enough to hold stitches, so when stressed, the needle holes tend to tear...
  47. Re: Crowd design for an aerial survey balloon

    I am a balloonist. I have a commercial balloon pilot's license and spent about four years flying one for a living and working repairing and inspecting them with an AI. One thing I learned quite well...
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    Re: Plans for lug rig.

    In that case it's also worth considering building 5-7 degrees of mast rake into the system. Most of the Oughtred balanced lug-rigged boats have it and it has both a nice look and a bit of the ability...
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    Re: Only $49,000.00/ Viking Ship

    Sure they did....and they especially liked watching them through the portholes........

    What a butt-ugly and tasteless excuse for a boat.
  50. Re: Crowd design for an aerial survey balloon

    Helium generates 70 lbs. of lift per 1,000 cubic feet. Volume of a sphere is 4/3 Pi r cubed, so a 3m balloon is way overkill for just a Go-Pro. Actually, you don't need a balloon, you need something...
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