Boat Design Forums

  1. Design

    1. Boat Design

      Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.
      Discussions:
      15,254
      Messages:
      231,444
      Latest: Possibility of building a reinforced concrete/ferrocement hull in sections skaraborgcraft, Jun 12, 2026 at 4:44 AM
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    2. Hydrodynamics and Aerodynamics

      Technical discussion on fluid dynamics: theory and analysis.
      Discussions:
      1,067
      Messages:
      24,140
      Latest: New on skin resistance gonzo, Jun 3, 2026
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    3. Stability

      Discuss stability issues and calculations, power and sail.
      Discussions:
      1,026
      Messages:
      16,911
      Latest: Can you run irregular shapes on maxsurf? TANSL, Apr 7, 2026
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    4. Class Societies

      Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...
      Discussions:
      419
      Messages:
      4,776
      Latest: Northern Star Lloyds william stokes, Apr 1, 2026
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    5. Powerboats

      Discuss production and custom powerboats and powerboat design.
      Discussions:
      2,724
      Messages:
      29,329
      Latest: Are there any good third-party battery alternatives for the ePropulsion outboards? portacruise, Jun 12, 2026 at 2:31 AM
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    6. Propulsion

      Discuss marine engines, drives, and propulsion systems.
      Discussions:
      6,090
      Messages:
      72,261

      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: coupler from VP 120S sail drive to 10 KW Golden Motor Rumars, Jun 10, 2026 at 7:42 AM
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    7. Motorsailers

      Discuss monohull and multihull motorsailers and motorsailer design.
      Discussions:
      162
      Messages:
      4,057
      Latest: Reduced rig on a motorsailer fish53, Apr 13, 2026
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    8. Sailboats

      Discuss monohull sailboat design, production and custom monohull sailboats.
      Discussions:
      4,531
      Messages:
      83,382
      Latest: Dolfino - 7m classic keelboat for daysailing Dolfiman, Jun 8, 2026 at 3:31 AM
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    9. Multihulls

      Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
      Discussions:
      3,402
      Messages:
      91,175
      Latest: Wa'apa Outrigger Sailing Canoe Build montero, Jun 11, 2026 at 3:32 PM
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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:
      885
      Messages:
      11,124
      Latest: Anyone running Meshtastic on their boat? Looking for real-world experience fallguy, May 16, 2026
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    11. Software

      Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.
      Discussions:
      3,162
      Messages:
      25,432

      1. General Computing

      Latest: Freeship Draft Problem Shifu, Jun 12, 2026 at 2:14 AM
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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:
      451
      Messages:
      8,755
      Latest: Need Help to determine power source for 15' Gentleman's Racer montero, May 12, 2026
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  3. Construction

    1. Boatbuilding

      Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
      Discussions:
      11,040
      Messages:
      136,646

      1. Fiberglass and Composite Boat Building

      2. Metal Boat Building

      3. Wooden Boat Building and Restoration

      4. Electrical Systems

      Latest: Divinycel question fallguy, Jun 10, 2026 at 3:14 PM
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    2. Materials

      Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
      Discussions:
      3,049
      Messages:
      32,785
      Latest: Styrene evaporation Fellies, Jun 12, 2026 at 1:43 AM
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    3. Marketplace

      Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
      Discussions:
      2,956
      Messages:
      13,304

      1. Boat Molds

      Latest: Atlantic boat molds, two 16 footers captmike76, Jun 11, 2026 at 10:26 PM
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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:
      912
      Messages:
      6,497
      Latest: The Landing School of Boatbuilding and Design Closing May 20 Pablo Sopelana, Jun 11, 2026 at 1:48 PM
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    2. Services & Employment

      Post positions available and marine design and boatbuilding services offered.
      Discussions:
      1,886
      Messages:
      6,492
      Latest: Boat builders wanted TANSL, May 4, 2026
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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:
      4,305
      Messages:
      142,511

      1. Press Releases

      2. Wiki Archive

      3. Forum Questions and Suggestions

      4. Post-Tsunami

      Latest: 41' Sailing Mono Holed and Aground Near Ballina NSW HelmutSheina, Jun 8, 2026 at 3:35 AM
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