Boat Design Forums

  1. Design

    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
      RSS

    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
      RSS

    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
      RSS

    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
      RSS

    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
      RSS

    6. Propulsion

      Discuss marine engines, drives, and propulsion systems.
      Discussions:
      5,776
      Messages:
      67,442

      1. Props

      2. Surface Drives

      3. Jet Drives

      4. Outboards

      5. Sterndrives

      6. Pod Drives

      7. Inboards

      8. Diesel Engines

      9. Gas Engines

      10. Electric Propulsion

      11. Hybrid

      12. DIY Marinizing

      Latest: Correct prop size and speed rfleet1066, May 12, 2021 at 5:43 AM
      RSS

    7. 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
      RSS

    8. 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
      RSS

    9. 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
      RSS

    10. 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
      RSS

    11. Software

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

      1. General Computing

      Latest: Recommended design software for trimaran stability, and learning? Alik, May 12, 2021 at 1:38 AM
      RSS

  2. Collaboration

    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
      RSS

    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
      RSS

  3. Construction

    1. Boatbuilding

      Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
      Discussions:
      10,310
      Messages:
      123,900

      1. Fiberglass and Composite Boat Building

      2. Metal Boat Building

      3. Wooden Boat Building and Restoration

      4. Electrical Systems

      Latest: Sea Sled madness. It’s in my brain. fallguy, May 12, 2021 at 8:20 AM
      RSS

    2. Materials

      Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
      Discussions:
      2,786
      Messages:
      29,543
      Latest: Understanding Wax and Polyester Laminating Resin? Jeff in Boston, May 12, 2021 at 7:54 AM
      RSS

    3. Marketplace

      Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
      Discussions:
      2,579
      Messages:
      12,164

      1. Boat Molds

      Latest: Marlin 35 Open Molds for sale Mohammed abbar, May 8, 2021 at 8:53 AM
      RSS

  4. Employment and Education

    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
      Latest: Qualifications for a small craft design business? CDBarry, Apr 7, 2021
      RSS

    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
      RSS

  5. Community

    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

      1. Press Releases

      2. Wiki Archive

      3. Forum Questions and Suggestions

      4. Post-Tsunami

      Latest: Is the ocean broken? Will Gilmore, May 12, 2021 at 8:05 AM
      RSS