Boat Design Forums

    1. Boat Design

      Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.
      Discussions:
      13,845
      Messages:
      206,979
      Latest: how long should my keel be hoytedow, May 12, 2021 at 6:01 AM
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    2. Hydrodynamics and Aerodynamics

      Technical discussion on fluid dynamics: theory and analysis.
      Discussions:
      854
      Messages:
      18,722
      Latest: Is circulation real? patzefran, May 12, 2021 at 3:18 AM
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    3. Stability

      Discuss stability issues and calculations, power and sail.
      Discussions:
      911
      Messages:
      15,453
      Latest: AC75 roll stability? Gordon Kirkwood, May 11, 2021 at 9:09 PM
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    4. Class Societies

      Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...
      Discussions:
      372
      Messages:
      4,255
      Latest: Preliminary Still Water Bending Moment TANSL, May 12, 2021 at 8:33 AM
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    5. Powerboats

      Discuss production and custom powerboats and powerboat design.
      Discussions:
      2,600
      Messages:
      27,607
      Latest: What make of boat is this? V8 Grumpy, May 11, 2021 at 12:31 AM
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    6. Motorsailers

      Discuss monohull and multihull motorsailers and motorsailer design.
      Discussions:
      143
      Messages:
      3,780
      Latest: Stowaway 8.5 Brenny H, May 12, 2021 at 5:44 AM
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    7. Sailboats

      Discuss monohull sailboat design, production and custom monohull sailboats.
      Discussions:
      4,269
      Messages:
      78,327
      Latest: Appendage displacement estimation TANSL, May 11, 2021 at 6:50 PM
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    8. Multihulls

      Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
      Discussions:
      3,106
      Messages:
      82,047
      Latest: Proa Shunting in Heavy Weather NewSalt, May 12, 2021 at 6:57 AM
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    9. OnBoard Electronics & Controls

      Discuss onboard mechanical, hydraulic, and electric control systems, monitoring, navigation, communication, systems integration and onboard computer systems.
      Discussions:
      814
      Messages:
      10,463
      Latest: Home Made Hydrogenerator? popobowa, May 3, 2021
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    10. Software

      Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.
      Discussions:
      2,987
      Messages:
      24,361
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    1. Option One

      Collaborative design of a power cruiser: trailerable, 300 mile range, economical at cruise & displacement speeds.
      Discussions:
      67
      Messages:
      1,727
      Latest: Cool trailerable boat parkland, Jan 9, 2015
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    2. Projects & Proposals

      An open forum to generate ideas for collaborative design projects.
      Discussions:
      411
      Messages:
      8,124
      Latest: Windmills on a boat Will Gilmore, May 11, 2021 at 9:25 PM
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    1. Boatbuilding

      Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
      Discussions:
      10,310
      Messages:
      123,900
      Latest: Sea Sled madness. It’s in my brain. fallguy, May 12, 2021 at 8:20 AM
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    2. Materials

      Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
      Discussions:
      2,786
      Messages:
      29,543
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    3. Marketplace

      Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
      Discussions:
      2,579
      Messages:
      12,164
      Latest: Marlin 35 Open Molds for sale Mohammed abbar, May 8, 2021 at 8:53 AM
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    1. Education

      Discuss schools and programs of Naval Architecture and Yacht Design and entry paths into a boat design career.
      Discussions:
      853
      Messages:
      6,044
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    2. Services & Employment

      Post positions available and marine design and boatbuilding services offered.
      Discussions:
      1,814
      Messages:
      6,168
      Latest: Looking for boat surveyor Netherlands bajansailor, May 11, 2021 at 10:59 PM
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    1. All Things Boats & Boating

      Enjoy friendly conversation with other forum members and boaters on marine-related topics, boats, and boating in general.
      Discussions:
      4,152
      Messages:
      140,340
      Latest: Is the ocean broken? Will Gilmore, May 12, 2021 at 8:05 AM
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