Boat Design Forums

  1. Design

    1. Boat Design

      Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.
      Discussions:
      15,156
      Messages:
      229,633
      Latest: Spar Design Aid [Download] laukejas, Nov 15, 2025 at 3:58 AM
      RSS

    2. Hydrodynamics and Aerodynamics

      Technical discussion on fluid dynamics: theory and analysis.
      Discussions:
      1,045
      Messages:
      23,610
      Latest: sail aerodynamics gonzo, Nov 13, 2025 at 8:52 AM
      RSS

    3. Stability

      Discuss stability issues and calculations, power and sail.
      Discussions:
      1,022
      Messages:
      16,879
      Latest: Floodable Length and Compartment Standard Ad Hoc, Nov 11, 2025 at 11:02 PM
      RSS

    4. Class Societies

      Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...
      Discussions:
      416
      Messages:
      4,734
      Latest: Assigned freeboard with an sloped deck Earganon, Oct 14, 2025
      RSS

    5. Powerboats

      Discuss production and custom powerboats and powerboat design.
      Discussions:
      2,713
      Messages:
      29,097
      Latest: New build coming soon Cajunpockettunnel, Nov 13, 2025 at 4:18 PM
      RSS

    6. Propulsion

      Discuss marine engines, drives, and propulsion systems.
      Discussions:
      6,065
      Messages:
      71,910

      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: cheap electric motor with remote control CocoonCruisers, Nov 14, 2025 at 2:20 PM
      RSS

    7. Motorsailers

      Discuss monohull and multihull motorsailers and motorsailer design.
      Discussions:
      159
      Messages:
      4,009
      Latest: A Case for the small(er) Motorsailer bajansailor, Jul 31, 2025
      RSS

    8. Sailboats

      Discuss monohull sailboat design, production and custom monohull sailboats.
      Discussions:
      4,509
      Messages:
      82,766
      Latest: "Designing" a double-handed racing dinghy Tops, Nov 14, 2025 at 11:42 PM
      RSS

    9. Multihulls

      Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
      Discussions:
      3,385
      Messages:
      90,372
      Latest: Wa'apa Outrigger Sailing Canoe Build Zilver, Nov 15, 2025 at 5:07 AM
      RSS

    10. OnBoard Electronics & Controls

      Discuss onboard mechanical, hydraulic, and electric control systems, monitoring, navigation, communication, systems integration and onboard computer systems.
      Discussions:
      882
      Messages:
      11,089
      Latest: Does ray marine wi fish need a internet acess to work? the brain, Sep 28, 2025
      RSS

    11. Software

      Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.
      Discussions:
      3,146
      Messages:
      25,315

      1. General Computing

      Latest: Simulating complete Boats in Gazebo Simulator _andi_, Nov 12, 2025 at 1:48 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:
      451
      Messages:
      8,748
      Latest: Designs wanted MBMConsultancy, Oct 30, 2025
      RSS

  3. Construction

    1. Boatbuilding

      Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
      Discussions:
      11,006
      Messages:
      136,006

      1. Fiberglass and Composite Boat Building

      2. Metal Boat Building

      3. Wooden Boat Building and Restoration

      4. Electrical Systems

      Latest: 1957 Chris Craft Cavalier / Paint removal gonzo, Nov 12, 2025 at 6:14 PM
      RSS

    2. Materials

      Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
      Discussions:
      3,017
      Messages:
      32,341
      Latest: long run seawater hose gonzo, Nov 13, 2025 at 10:45 AM
      RSS

    3. Marketplace

      Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
      Discussions:
      2,928
      Messages:
      13,254

      1. Boat Molds

      Latest: 29' Hybrid/Bay Boat Stepped Hull Mold Aboutaleb, Nov 6, 2025
      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:
      907
      Messages:
      6,489
      Latest: SNAME Power Boat Symposium 2024 | SNAME CDBarry, Nov 13, 2025 at 1:19 PM
      RSS

    2. Services & Employment

      Post positions available and marine design and boatbuilding services offered.
      Discussions:
      1,883
      Messages:
      6,476
      Latest: Best Florida region for long-term boatbuilding workforce? Jeandupont, Oct 3, 2025
      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:
      4,292
      Messages:
      142,372

      1. Press Releases

      2. Wiki Archive

      3. Forum Questions and Suggestions

      4. Post-Tsunami

      Latest: The Dunning Kruger Effect BlueBell, Nov 12, 2025 at 11:12 PM
      RSS