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  1. Replies
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    Looks good. Got a few questions for you. How...

    Looks good. Got a few questions for you.

    How thick are the strips?
    What is the mould spacing?
    What weight of glass are you using?

    Also, I notice you have more or less elliptical moulds. Are...
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    IME square drives are easy enough to clean out....

    IME square drives are easy enough to clean out. Easier than Phillips or Pozi. You can clean out either of the latter, but they're more vulnerable to small pieces of crud left behind. Square drives...
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    Nice job. That colour really suits it. As does...

    Nice job. That colour really suits it. As does the name.
  4. Thread: Dinghy timber

    by Sumbloak
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    Balsa is also a hardwood. In botanical terms, as...

    Balsa is also a hardwood. In botanical terms, as far as trees go, softwoods are conifers. Hardwoods are everything else. Or if you want to get techy, gymnosperms and angiospserms. Impress your...
  5. Thread: Dinghy timber

    by Sumbloak
    Replies
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    You can still steam bend kiln-dried timber. It...

    You can still steam bend kiln-dried timber. It just may, or may not, be less flexible. Only way to find out is try a bit and see if it does what you want. It if doesn't, use thinner strips.
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    I don't know of any sources down your way. It...

    I don't know of any sources down your way. It only grows on the north coast of NSW, and up into Qld. Denman Marine might know. They have done a fair amount of steam bending in their time. Or you...
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    Silver ash (Flindersia schottiana, or F....

    Silver ash (Flindersia schottiana, or F. bourjotiana) is supposed to be one of the best native timbers for bending. You can get it from sustainable sources if you look around.

    No doubt there are...
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    I've steam bent kiln-dried Surian cedar, just to...

    I've steam bent kiln-dried Surian cedar, just to throw a spanner in your theory. :D Apparently straight-grained radiata (yup, bloody radiata) is pretty good too, although I haven't tried it.


    ...
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    The green parrots are most likely rainbow...

    The green parrots are most likely rainbow lorikeets. ;)


    I think you have this list backwards. Take her out for a spin in a lightish breeze. See what works and what doesn't.

    It's a very clever...
  10. Replies
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    By the way, I have had a chance to row the boat a...

    By the way, I have had a chance to row the boat a fair bit under a range of conditions. The general behaviour is pretty good, but not quite as good as I would like. I'm already considering...
  11. Replies
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    I should have thought of that. :rolleyes: I...

    I should have thought of that. :rolleyes: I already had a perfectly good garden hose. Thanks for the tip.

    And for Mike1: I still haven't done any racing as such. Yes, I know. Slack.
  12. Replies
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    Ok, but is this really a problem? You only need...

    Ok, but is this really a problem? You only need enough of a radius to make the planks sit without gaps, and they aren't going to be at 45 degrees to each other. Probably only a few degrees over most...
  13. Thread: Tom Cat

    by Sumbloak
    Replies
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    304,644

    My goodness. 8 years and still going. I admire...

    My goodness. 8 years and still going. I admire your dedication. The boat will be great when it's done.
  14. Replies
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    Beautiful picture there. Nice job on the boat.

    Beautiful picture there. Nice job on the boat.
  15. Replies
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    I like the motto at the bottom of that linked...

    I like the motto at the bottom of that linked page: "May you always be able to count to ten on your fingers."

    I suppose it should add "without re-using any fingers". :D

    Anyway, I like the idea...
  16. Replies
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    Something similar, from Tasmania. Row & Sail...

    Something similar, from Tasmania.

    Row & Sail – Derwent Skiff
  17. Replies
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    Fair enough.

    Fair enough.
  18. Replies
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    While I take your general point here, resistance...

    While I take your general point here, resistance to termites and borers can be an exception. The main reason turpentine is so resistant is that it is chock full of silica, which literally blunts...
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    I've only glued tallow once. It was for gunwales...

    I've only glued tallow once. It was for gunwales for a rowboat, approximately 20x20 mm. Each gunwale had one scarf joint to make the required length. After reading and listening to all available...
  20. Replies
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    31,792

    Ok, so perfect conditions today. No breeze to...

    Ok, so perfect conditions today. No breeze to speak of, and my hat was quite happy staying on top of my head. Time was down to 17m 40s, and average speed up to 4.9 knots (5.6 mph). I'm happy about...
  21. Replies
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    Looks like it'll work.

    Looks like it'll work.
  22. Replies
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    Here you go: 3 hours 12 minutes...

    Here you go: 3 hours 12 minutes. Exactly 17 nautical miles for the Blackburn, so average speed was 5.3 knots.
  23. Replies
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    No, the latest Blackburn times are a lot faster...

    No, the latest Blackburn times are a lot faster than that. Close to 3 hours, from memory. Average speed around 5.5 knots. I know this because Clint and I and several others were discussing that race...
  24. Replies
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    Well even with steroids and no ice cream, this...

    Well even with steroids and no ice cream, this boat isn't going to be anywhere near as fast as a scull. Also, by scull standards I'd be "lightweight masters" on a good day, not "mid-twenties...
  25. Replies
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    Ok, so I was fed up with my butt getting sore...

    Ok, so I was fed up with my butt getting sore while rowing. I could have made a nifty laminated contoured seat like a trad wooden sculling seat, or I could have done several other things, but frankly...
  26. Replies
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    Oh yeah, here's a couple of funny things I saw...

    Oh yeah, here's a couple of funny things I saw the other day. :)

    I kinda like the raft. Reminds me of stuff we used to build as kids. Anything to get out on the water.
  27. Replies
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    Well, I have actually made an effort to time some...

    Well, I have actually made an effort to time some runs. Only two so far, today and the day before yesterday.

    I've worked out a nice training course at the dam. This is a good place for it since...
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    Nice. :2tsup:

    Nice. :2tsup:
  29. Replies
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    Dave Gentry's Annabelle. ...

    Dave Gentry's Annabelle.

    http://gentrycustomboats.com/Annabelle.html
  30. Replies
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    Handy to know (about Plymaster) if I ever want...

    Handy to know (about Plymaster) if I ever want some top notch gaboon. :2tsup:

    6 mm hoop is supposed to be about 10 kg for a 2400 sheet, but I wouldn't be surprised if some sheets run to 11.
  31. Replies
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    The Austral hoop plywood, although of excellent...

    The Austral hoop plywood, although of excellent quality, is heavier than gaboon/okoume for the same thickness. Then again, it's a lot stronger and stiffer too.

    Where did you get your ply?
  32. Replies
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    I've been out a couple more times now. Yesterday...

    I've been out a couple more times now. Yesterday evening I put her in at Mullumbimby to check out the upper reaches of the river, since I'm planning on doing the Mullum to Brunswick Heads run in May...
  33. Replies
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    As I said to a bloke on the beach, there's no...

    As I said to a bloke on the beach, there's no point building ugly boats. Takes just as much work, and is not as much fun. :)
  34. Replies
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    Got out for another row this morning. Only three...

    Got out for another row this morning. Only three and a half nautical miles this time. I didn't want my backside to be as sore as last time. :D

    Anyway, first thing is that I have the on-shore...
  35. Replies
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    Ok, I now have a dolly of sorts. Will see how it...

    Ok, I now have a dolly of sorts. Will see how it goes. I don't expect this to be the final version, but it rolls.

    Uses the same wheels as the big cradle, which are frankly a bit crappy (I'll get...
  36. Replies
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    I didn't want to have to deal with extra people...

    I didn't want to have to deal with extra people at the launching. I just wanted me and the boat, so I could get out on the water (finally) and go for a good row without any distractions. :)

    I also...
  37. Replies
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    Got the basic idea sorted for the dolly....

    Got the basic idea sorted for the dolly. Obviously it'll be filleted with timber and/or bog where necessary for bonding strength, but the gist of it is as shown in the attached pic. It will just slip...
  38. Replies
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    It's more likely the place that thicknessed your...

    It's more likely the place that thicknessed your board charges in half hour chunks (ie: $44/hr). This is pretty much standard practice for a lot of businesses. Nobody actually charges 1/12 of an hour...
  39. Replies
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    I've been thinking a bit since the other day. The...

    I've been thinking a bit since the other day. The whole launch and retrieval thing worked ok, but was more of a rigmarole that I'd like it to be. If I'm going to use this boat frequently, launch and...
  40. Replies
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    I'd just taper them towards the bow, so they...

    I'd just taper them towards the bow, so they weren't looking too chunky at the stem.
  41. Thread: Len Hedges.

    by Sumbloak
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    Some religious people can be quite civilised. I'd...

    Some religious people can be quite civilised. I'd be inclined to give him the benefit of the doubt for now.
  42. Replies
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    Try Carbatec. Details here:...

    Try Carbatec. Details here: https://www.woodworkforums.com/showthread.php?t=189929&p=1825505#post1825505
  43. Replies
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    Yup. Also called Surian cedar. Same species as...

    Yup. Also called Surian cedar. Same species as Australian Red Cedar.
  44. Thread: Len Hedges.

    by Sumbloak
    Replies
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    7,007

    My 2c is I'd start by trying the bloke in the...

    My 2c is I'd start by trying the bloke in the last link. Since he's got the same name and is talking about boats his dad built, I think there's a fair chance he's Len Hedges Jnr. Worth a shot. :)
  45. Replies
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    Got 'er wet, man. :D Was up at sparrow fart...

    Got 'er wet, man. :D

    Was up at sparrow fart this morning to catch the high tide and sunrise. Picked the handiest launching spot in Brunswick Heads (Memorial Park beach) then headed up Simpson's...
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    Today I got to thinking. I'm not currently fit...

    Today I got to thinking. I'm not currently fit enough to race the thing, and the races I have in mind aren't for months anyway. That being the case, why do I need a racing quality finish now? It's...
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    Got some final weights this morning, since all...

    Got some final weights this morning, since all the paint and oil is now on.

    The bare hull is exactly 28 kg (61 lbs 11 0z).

    Hull + main thwart + footrest is 30.4 kg (exactly 67 lbs).

    Hull +...
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    Oh and I think your structural analysis is a bit...

    Oh and I think your structural analysis is a bit simplified.

    The thing with glued lap is that although you do get increased stiffness at the laps, this really only applies to longitudinal...
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    Sure, but my thinking is that strippers are...

    Sure, but my thinking is that strippers are regularly built as light as glued lap, so there's no need to add an extra 45 kg just because you're using strips. 45 kg is a lot of weight. You could...
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    Sounds great. Nice find on the cedar too.

    Sounds great. Nice find on the cedar too.
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