Boat Design Forums

    1. Boat Design

      Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.
      Discussions:
      15,079
      Messages:
      228,069
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    2. Hydrodynamics and Aerodynamics

      Technical discussion on fluid dynamics: theory and analysis.
      Discussions:
      1,039
      Messages:
      23,469
      Latest: Keel Section Doug Halsey, Jul 9, 2025 at 8:49 PM
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    3. Stability

      Discuss stability issues and calculations, power and sail.
      Discussions:
      1,020
      Messages:
      16,839
      Latest: Rolly custom steel motorboat LeoKa, Jun 30, 2025
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    4. Class Societies

      Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...
      Discussions:
      415
      Messages:
      4,733
      Latest: ABS m^2 – m^2 VS cm^4 yanivmass, May 11, 2025
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    5. Powerboats

      Discuss production and custom powerboats and powerboat design.
      Discussions:
      2,691
      Messages:
      28,778
      Latest: Cary Marine Cary DiCosta, Jun 23, 2025
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    6. Motorsailers

      Discuss monohull and multihull motorsailers and motorsailer design.
      Discussions:
      159
      Messages:
      4,002
      Latest: A Case for the small(er) Motorsailer Laminar Flow, Jul 9, 2025 at 2:14 AM
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    7. Sailboats

      Discuss monohull sailboat design, production and custom monohull sailboats.
      Discussions:
      4,490
      Messages:
      82,417
      Latest: sailboat bows CarlosK2, Jul 4, 2025 at 12:06 PM
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    8. Multihulls

      Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
      Discussions:
      3,370
      Messages:
      89,918
      Latest: Moana Outrigger Sailing Canoe skier, Jul 9, 2025 at 7:50 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:
      874
      Messages:
      11,028
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    10. Software

      Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.
      Discussions:
      3,138
      Messages:
      25,265
      Latest: Trimaran planing hull ? montero, Jun 29, 2025
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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:
      449
      Messages:
      8,730
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    1. Boatbuilding

      Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
      Discussions:
      10,963
      Messages:
      135,278
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    2. Materials

      Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
      Discussions:
      3,001
      Messages:
      32,157
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    3. Marketplace

      Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
      Discussions:
      2,916
      Messages:
      13,215
      Latest: Help with binks polycraft machine airborneie.com, Jul 8, 2025 at 6:05 PM
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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:
      904
      Messages:
      6,472
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    2. Services & Employment

      Post positions available and marine design and boatbuilding services offered.
      Discussions:
      1,882
      Messages:
      6,470
      Latest: NA in Portland OR area? BlueBell, Jul 1, 2025
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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:
      4,276
      Messages:
      142,284
      Latest: Another Car Carrier Fire comfisherman, Jun 25, 2025
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