AutoCad Programs

Discussion in 'Boat Yard Basics' started by CurtisWright, Jan 17, 2013.

  1. CurtisWright

    CurtisWright Light, Strong, Cheap. Pick Two.

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    Hey, Do any of you builders out there use a CAD Program to design parts, or entire hulls?  What program do you use?  AutoCad Inventor Suits are $7,000+ 

    I designed the hull I have now in Microsoft Excel, but I know I am going to want to build another hull in the years to come.  I am looking to do a better job on this one.
     
  2. GoldSpoon

    GoldSpoon I Love microskiff.com!

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    I run Auto-Cad for a living now.  You might try getting a boot leg copy but they really onto that right now.  Try to get something from pre 2006 and they not going to care to much about it.

    ETA: How do you design parts on Excel?
     

  3. Brett

    Brett > PRO STAFF <

    http://www.polycad.co.uk/

    http://sourceforge.net/projects/freeship/
     
  4. CurtisWright

    CurtisWright Light, Strong, Cheap. Pick Two.

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    I just curve fit two dimiensional equations into a 16ft long by 5ft wide by 2ft deep box. Then I assembled a flat platform and poped a chalk line grid on it then transfered my lines from excel to the platform. 

    Recognize the Quadratic?  y=z*x^4 haha.
    [​IMG]

    I did the same for the keel, but it was a combination of a straight line and a parabola. The lower chine is a parabola (x^2) and the splash rail is a Cubic (x^3)

    [​IMG]
     
  5. CurtisWright

    CurtisWright Light, Strong, Cheap. Pick Two.

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    Sweet. Thanks!
     
  6. oysterbreath

    oysterbreath Well-Known Member

    Freeship and Rhino 3D are the best combo for boat design that I've used.

    I use AutoCAD, Microstation, Revit, and Sketchup on a daily basis and wouldn't use any of those to design a boat if I could avoid it. Well, maybe just for 2d details. For 3d design.....use freeship and rhino.
     
  7. Frank_Sebastian

    Frank_Sebastian Well-Known Member

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    You can run a free copy (time limited) of Autodesk if you are only going to do one job.

    http://usa.autodesk.com/autocad/

    I am old enough to just use slide rule, graph paper and spline to figure out the boats I build. Not so with aircraft though and there is a steep learning curve just for one boat.

    Best regards,
    Frank_S
     
  8. blittle

    blittle I Love microskiff.com!

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    You're an engineer and you don't have access to cad?

    Do you drive trains? Just kidding.

    I've always had access to my works versions.

    AutoCAD is ok for designing a skiff but I use my own technique I guess. I alway take my cross-sections and line them out on a 3D polyline so I can get a feel of what it's going to look like 3D.

    I've had friends make 3D models for me on some hull designs but it really didn't help much as I already had a feel of it's shape.
     
  9. CurtisWright

    CurtisWright Light, Strong, Cheap. Pick Two.

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    Yea, My employers policy is "we have drafters for that." It Really grinds my gears. All I have is AutoCAd light from school and It isnt good enough.
     
  10. Brett

    Brett > PRO STAFF <

    Cadd....ptttthpt! ;)

    Half scale builds are the way to go in order to figure out the shape
    and the construction problems to be encountered in the project.

    https://picasaweb.google.com/bdefalco/Next
     
  11. jaythefisherman

    jaythefisherman I Love microskiff.com!

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  12. jaythefisherman

    jaythefisherman I Love microskiff.com!

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    going to try to draw one out in mastercam you can get a free trial version from their site , as well as surfcam, bobcad, gibbscam and featurecam
     
  13. oysterbreath

    oysterbreath Well-Known Member

    Although I have not tried it yet, AutoCAD has released Inventor Fusion 2013 free for download. check it out and see if that's something you might like.
     
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