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    Re: Lee wants a new trimaran design...

    I should probably shut up and let y'all respond to my questions above, but I could resist posting this. I am really liking the way this is scaling up. The water line length to waterline beam ratio...
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    Re: Lee wants a new trimaran design...

    I think I may have asked this before. But who knows where the plans are to be had for this : https://www.youtube.com/watch?v=ZgLdHjNcLjU
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    Re: Lee wants a new trimaran design...

    I have made up my mind now. I am going to use the Drifter hull as a base design for the vaka. I might use some of the multi panel and bilges idea from the slingshot, but for the most part the hull...
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    Re: Lee wants a new trimaran design...

    Yeah Todd, I did think about that. I keep finding more errors the more I study the drawings. I figured since I am using the drawings as a base to design something different, I would keep them. But...
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    Re: Lee wants a new trimaran design...

    Alright everybody,

    Yesterday I ripped up all the cedar from the last batch my father in-law gave me into 1" x 1/4" strips, and according to my board feet calculations, I should have enough to do...
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    Re: Lee wants a new trimaran design...

    Hi Michael,

    I looked that one up. It is a 16 footer. I am looking for an 18 to 20 footer, and I have plenty of cedar now to build one. I really do want to build one out of cedar and do a...
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    Re: Lee wants a new trimaran design...

    Yup, I did that. No response. So then I emailed Duckworks. They sent him an email and said that he should respond, since he still recieves their payments. So 3 days later he responded to them. ...
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    Re: Lee wants a new trimaran design...

    After reading the construction manual and carefully going over the drawings, I have realized there are a lot of things missing in the Slingshot 19 package. If anybody has built one of these before,...
  9. Re: Cedar Lumber Price Woes - Sources? Suitable lightweight substitutes?

    It is available, but it sure ain't cheap. $32 for a 1" x 6" x 8 foot at lowes. I'd be better off paying the cedar prices.
  10. Re: Cedar Lumber Price Woes - Sources? Suitable lightweight substitutes?

    My Google Maps coudn't find Baxby Ga. Whats the nearest larger town to Baxby??
  11. Re: Cedar Lumber Price Woes - Sources? Suitable lightweight substitutes?

    Sweet boats Todd! Yeah, I think my plan B is to build the Slingshot 19 with Cedar and spruce. I want to make the decks out of cedar strips with a slick herring bone patter or something, obviously...
  12. Re: Cedar Lumber Price Woes - Sources? Suitable lightweight substitutes?

    Well, I called around a few saw mills in the south east that I found searching thru google for cypress. Most prices I got were the same as cedar. One guy actually told me he was almost out of...
  13. Re: Cedar Lumber Price Woes - Sources? Suitable lightweight substitutes?

    Yeah, I know, just a figure of speech. I think cedar is much nicer to finish in bright instead of painted, but then again I have only built one boat, and it wasn't SPF. I think somebody on here...
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    Re: Robands? Which do people prefer?

    To me, it looks like a wooden birdsmouth covered with some heavy biax fiberglass and then painted.
  15. Cedar Lumber Price Woes - Sources? Suitable lightweight substitutes?

    Hey boat builders...

    I am reeling from the prices of cedar at the big box stores these days. I built my kayak turned trimaran sailboat in the last 2 years and I was buying cedar 2x4's at Lowes...
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    Re: Robands? Which do people prefer?

    This is how I did mine. I have small boat, so not knowing how big your boat is, this might not be hefty enough. But I just used some 550 cord, some wooden beads, and a piece of 1/2" dowel to make...
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    Re: Lee wants a new trimaran design...

    I think that is true as long as it is well covered with epoxy. On my current little kayak trimaran, I really laid the epoxy on thick on the plywood case for the kick up rudder, and it is definitely...
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    Re: Lee wants a new trimaran design...

    Yeah I agree on not banking on weight, especially for wood bought at the big boxes. But every cedar piece I have bought has been pretty lightweight. The others can be heavy as lead, especially the...
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    Re: Lee wants a new trimaran design...

    I am still contemplating prices here. Lowes has SPF 2x4's pretty close to pre-covid prices now. Has anybody ever built a boat out of just straight Spruce / Pine / Fir wood? I am curious about the...
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    Re: Lee wants a new trimaran design...

    Oops, I stand corrected. I was looking at the 2 foot x 4 foot sheets of luan on their website without realizing it was not 4 x 8 sheets.

    Well, for that price, I could buy two cedar 2 x 4 's at...
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    Re: Lee wants a new trimaran design...

    Uh-oh, I just had an idea (dangerous, right?) - what about using the luan plywood, now at lowes and home depot for around 10 bucks a sheet, for the gunwales and keel sections below the water line,...
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    Re: Lee wants a new trimaran design...

    Well, for the kayak method I already have a lot of cedar, I just don't want to use it unless I have to since it is not very straight or clear. I can scarf a lot of it together, which is no problem...
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    Re: Lee wants a new trimaran design...

    I do plan to strip plank it. I haven't decided if I want to make panels and then install them like plywood, or just lay the strips on like a traditional kayak. If I do panels, it would be harder to...
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    Re: Lee wants a new trimaran design...

    Oh, by the way, I have tried to contact both Mark Gumprect and Frank Smooth via the last known emails, but the guy that runs the small tri guy website told me they have pretty much shuttered...
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    Re: Lee wants a new trimaran design...

    Hey all, it's been been a minute since I have been looking at boat designs. So, even though I think it would be fun to try my own hand at stretching the drifter to 18 or 20 feet, I think I am going...
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    Re: Lee wants a new trimaran design...

    I will definitely increase the sail area. once I use the advice above and do some digging to figure out what the heeling moment is, I think I will design the sail plan to be just under enough to...
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    Re: Lee wants a new trimaran design...

    Jim is going to make me get my physics book back out..I am assuming healing moment means the force required to push the boat over far enough to capsize, correct? How do I calculate that?

    Dave,...
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    Re: Lee wants a new trimaran design...

    Thanks for the advice and info on solidworks. I dunno, I just never could wrap my head around grabbing and pulling on solid surfaces in cad to make it look like something I meant to draw. I messed...
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    Re: Lee wants a new trimaran design...

    John,
    I am recovering CAD addict myself. I spent 12 years as an electro-mechanical design engineer building robots before I came back in the Army. I still diddle a bit to keep my skills fresh. I...
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    Re: Lee wants a new trimaran design...

    John, my current boat is nowhere near as big at that, about 1/3 the size actually, but going dead downwind seems the same for me, unless I have a 10 to 12 knot wind. Less wind that that, and I use...
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    Re: Lee wants a new trimaran design...

    Thank the Lord I have finally finished my masters degree. SO, I have been thinking again on which boat to build, which method / technique to use, etc. I am still rolling the idea of stretching the...
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    Re: Lee wants a new trimaran design...

    Thanks so much again guys for all the advice. I wish I could just take off and start building right now. The itch hasn't been scratched in almost a year. But, I gotta finish my masters degree, and...
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    Re: Lee wants a new trimaran design...

    Whooaaa... That torqeedo or the e-propulsion is going to cost more than I planned to spend on the boat hull and half the sail. Sorry, I'm a cheapskate cause my status in life forces me to be. ...
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    Re: Lee wants a new trimaran design...

    Thanks, I was just doing the Drifters to have something for right now, and to do it on the cheap. The Seaclipper 20 is the ultimate goal. It will be the flagship in my family armada.
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    Re: Lee wants a new trimaran design...

    Greetings trimaran fans! Long time no posting. Sorry, I have been busy with work, Soldier, training, master's degree, all kinds of worthless things that take away from my boat time. So update on...
  36. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Todd, THANKS! I was wondering why it just didn't seem to want to settle down. There was like a very narrow sweetspot between too much / not enough sheet tension, and pointing too high or too low to...
  37. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Ok sailors, so whats the best way to control a jib????

    I don't know if you can tell from this video, But running a jib is very stressful for me under some fairly strong winds. I was on the other...
  38. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Here is the video. Let me know how to be better at flying wing and wing:


    https://youtu.be/yp0HHaPICjo
  39. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Hey guys! I took some leave this week and got to get on the water twice. But only one counted. The first was a warm day with nice winds. I am currently compiling a video from that day. Watch it...
  40. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Thanks Gary and upchurchmr. I know exactly what happened and why. I had too much sail up, and not enough weight out for the 30mph gust that hit me. Oh, and as I went around the bend of the turn, I...
  41. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Well guys, I survived my first capsize yesterday. Wind was blowing a steady 18 mph, and according to the weather station gusting up to 30. I thought with my son tethered in his kayak to the...
  42. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Hey guys! Long time no hear. I know, but, I've been busy becoming a grandfather. My oldest son and his wife made me a grandfather two weeks ago. And yes, that little girl already has us wrapped...
  43. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Well, I didn't mean a bigger jib, just a regular jib instead of a storm Jib. But I believe in the "if it ain't broke, don't fix it" philosophy. I am going to try and get back out on the water soon....
  44. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    It certainly is coming together Dave. This boat has been a great training resource for me, along with all of everybody's expert advice. Cant wait to build my next boat and get it dialed in!!
    I...
  45. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    If that doesn't convince you, this one should. Check out how glassy the water is due to no visible wind, but yet I was still scooting across at 2 mph!

    https://youtu.be/xJBQXdKq-Fw
  46. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Holy efficiency batman. I went out on the lake today. Winds started out about 5 to 6 mph. I was hitting 4.5 and 5.5 mph. The Jib made a HUGE difference. Now that I have the mast tied down with...
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    Re: Lee wants a new trimaran design...

    Hey Dave, I know we aren't supposed to promote products on here, but can you recommend a name brand or three that are good, and which ones I should stay away from? When you say a light multi, do you...
  48. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    I am going out again tomorrow since I have the day off for presidents day. I will try to remember to report back on how the additions improved or degraded performance.
  49. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    Twangy tight. Got it. Is that western acoustic guitar twangy, or southern banjo twangy? Just kidding. I understand what you are saying. I have some old tie-down rope that came with some kayak...
  50. Re: Newbie needs help with small DIY sail plan, trimaran setup.

    I put some stays made out of some fairly non-stretchy rope from lowes today. Trying to get ready to use my jib on the water on monday. Winds are going to be super light, so good time to try the jib...
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