Boat Design Forums

  1. Design

    1. Boat Design

      Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.
      Discussions:
      15,041
      Messages:
      227,359
      Latest: would you drown in big ships wake due to air bubbles lowering density? Squidly-Diddly, Apr 28, 2025 at 9:02 PM
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    2. Hydrodynamics and Aerodynamics

      Technical discussion on fluid dynamics: theory and analysis.
      Discussions:
      1,033
      Messages:
      23,416
      Latest: Planing speed and pad bottoms Jimboat, Apr 20, 2025
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    3. Stability

      Discuss stability issues and calculations, power and sail.
      Discussions:
      1,015
      Messages:
      16,764
      Latest: Which one or... just get pwcs? kapnD, Apr 28, 2025 at 11:10 PM
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    4. Class Societies

      Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...
      Discussions:
      414
      Messages:
      4,730
      Latest: HDPE design stresses Alan Cattelliot, Apr 17, 2025
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    5. Powerboats

      Discuss production and custom powerboats and powerboat design.
      Discussions:
      2,689
      Messages:
      28,742
      Latest: History of Vance boats Raul Gonzalez, Apr 28, 2025 at 5:39 PM
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    6. Propulsion

      Discuss marine engines, drives, and propulsion systems.
      Discussions:
      6,043
      Messages:
      71,472

      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: Seeking Input for DIY Propeller Cleaning Tool – Master's Thesis Research Survey kapnD, Apr 28, 2025 at 11:02 PM
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    7. Motorsailers

      Discuss monohull and multihull motorsailers and motorsailer design.
      Discussions:
      157
      Messages:
      3,983
      Latest: Keeping weight in check during refit Ad Hoc, Jan 28, 2025
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    8. Sailboats

      Discuss monohull sailboat design, production and custom monohull sailboats.
      Discussions:
      4,483
      Messages:
      82,320
      Latest: Converting wooden mast specs to aluminum Barry, Apr 28, 2025 at 8:39 PM
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    9. Multihulls

      Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
      Discussions:
      3,362
      Messages:
      89,751
      Latest: Multihull Structure Thoughts tane, Apr 29, 2025 at 12:27 AM
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    10. OnBoard Electronics & Controls

      Discuss onboard mechanical, hydraulic, and electric control systems, monitoring, navigation, communication, systems integration and onboard computer systems.
      Discussions:
      872
      Messages:
      11,018
      Latest: Blue Sea Systems 7650 Add-A-Battery Kit BlueBell, Apr 3, 2025
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    11. Software

      Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.
      Discussions:
      3,130
      Messages:
      25,240

      1. General Computing

      Latest: Maxsurf Resistance Method TANSL, Apr 15, 2025
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  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
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    2. Projects & Proposals

      An open forum to generate ideas for collaborative design projects.
      Discussions:
      449
      Messages:
      8,699
      Latest: DIY Idea: Cleaning Propeller Without Hauling Out — Worth It or Waste of Time? (Prototype pics) gonzo, Apr 28, 2025 at 11:32 AM
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  3. Construction

    1. Boatbuilding

      Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
      Discussions:
      10,943
      Messages:
      134,852

      1. Fiberglass and Composite Boat Building

      2. Metal Boat Building

      3. Wooden Boat Building and Restoration

      4. Electrical Systems

      Latest: How to fix gap in side of fiberglass hull ondarvr, Apr 28, 2025 at 6:59 PM
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    2. Materials

      Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
      Discussions:
      2,992
      Messages:
      32,068
      Latest: Concrete Dock Float DogCavalry, Apr 20, 2025
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    3. Marketplace

      Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
      Discussions:
      2,908
      Messages:
      13,197

      1. Boat Molds

      Latest: Well known Skiff Brand Mulely, Apr 22, 2025
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  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:
      904
      Messages:
      6,470
      Latest: where to learn inflatable boat construction? montero, Apr 10, 2025
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    2. Services & Employment

      Post positions available and marine design and boatbuilding services offered.
      Discussions:
      1,878
      Messages:
      6,412
      Latest: Stern Winglet / Hydro Pad on a Traditional Sloep-style Displacement Boat – Need Feedback gonzo, Apr 15, 2025
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  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:
      4,274
      Messages:
      142,272

      1. Press Releases

      2. Wiki Archive

      3. Forum Questions and Suggestions

      4. Post-Tsunami

      Latest: What is the boating industry doing to mitigate global warming? CarlosK2, Apr 28, 2025 at 4:21 AM
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