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Thread: 12mR scale 1:12

  1. #11

    Default Re: 12mR scale 1:12

    Hi Lars,

    what a beautifull hull!

    Please keep this thread up. I am just collecting for a friend some drawings for a smaller mR boat. may be 5mR or 6mR. The swedish veteranbatsarkivet has a lot drawings....

    Regards

    Lothar

  2. #12

    Default Re: 12mR scale 1:12

    I bought a round carbon fiber tube this time. The jumper spreader and all the other fittings, are home made. I can post some pictures later.

  3. #13
    Join Date
    Nov 2010
    Location
    Cornwall, UK
    Posts
    435

    Default Re: 12mR scale 1:12

    Columbia's coming on really well, you're doing a great job. What sort of diameter carbon tube have you selected for the mast and is it 'high modulus' or just 'what they had on the shelf'? Also, what sail area will your 'Columbia' be setting?

    Be great if you could post some pictures of the mast & fittings - I've started to think about the mast and mast material for my 'Enterprise' build.

    Regards,

    Row
    Last edited by Twister; 05-19-2014 at 11:40 AM. Reason: added question.

  4. #14

    Default Re: 12mR scale 1:12

    Thanks guys,
    The carbon fiber tube is 12mm dia. I ordered it from a company north of Gothenburg here in Sweden. The tube is 2meters long, I added a 100mm extension at the base. This is made out of aircraft aluminum. I had two ball bearing goose neck and vang fittings, I had machined years ago (my own design). This was the last two... Click image for larger version

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  5. #15

    Default Re: 12mR scale 1:12

    I forgot to answer your sail area question... I have moved the mast back a little bit, from the original drawing. Two reasons. I think it looks better, and I think the boat will be easier to sail with a slightly smaller main and larger jib.
    I'm working on the sail plan right now. I hope to finish tonight and order sails from Rod Carr.

  6. #16

    Default Re: 12mR scale 1:12

    Finally! Sails are designed and ordered and paid! Rod Carr is making a suit of dacron sails. Now I can't wait for them to show up here in Sweden!Click image for larger version

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  7. #17
    Join Date
    Nov 2010
    Location
    Cornwall, UK
    Posts
    435

    Default Re: 12mR scale 1:12

    You'll be sailing her within a month! She really does look fantastic.

    Looking at the pictures in post #14, is the standing rigging (shrouds) coated wire or a dyneema type material? Also, for your sail designs did you use a computer program or something far more traditional like a pen & pencil?!
    Last question (for now!), what sort of sail winch servo will you be using?

    Keep up the excellent work,

    Regards,

    Row

  8. #18
    Join Date
    Apr 2005
    Location
    Toulouse (Fra)
    Posts
    3,281

    Default Re: 12mR scale 1:12

    Quote Originally Posted by larsli68 View Post
    Finally! Sails are designed and ordered and paid! Rod Carr is making a suit of dacron sails. Now I can't wait for them to show up here in Sweden!Attachment 14557Attachment 14558
    Hi
    are the quotations marked on the sails correct ?
    Cheers
    ClaudioD

  9. #19

    Default Re: 12mR scale 1:12

    Hello Row,

    No problem. Please keep asking questions. The winch I'm using is a SmartWinch from Australia, the 380ES model. I will also have a smart switch mounted in the deck. The rigg wire is from the fishing store. 20kg plastic coated stainless steel wire.
    The sails were designed with Solidworks CAD software. I only used the sketch module and took a photo with my smartphone. The rudder servo is a Hitec ball bearing with more torque than a standard servo. I don't know if it is needed, but I had it laying around.
    The Radio transmitter and receiver is Futaba 2.4GHz. My goal now is to finish the rig. I'm waiting for a vang and two rig screws I ordered from New Zealand. They have yet to show up. I hope they arrive today. Tomorrow night I plan to paint the hull and deck with one more layer of Polyurethane paint. After this, it is just a matter of when the sails show up. Rod Carr is usually pretty fast.

  10. #20

    Default Re: 12mR scale 1:12

    Hello CladioD.

    The dimensions are in Inches. Did you notice a mistake?

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