Boat Design Forums

  1. Design

    1. Boat Design

      Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.
      Discussions:
      14,031
      Messages:
      210,658
      Latest: Amphibious box to go in back of cybertruck bajansailor, Oct 24, 2021 at 12:22 PM
      RSS

    2. Hydrodynamics and Aerodynamics

      Technical discussion on fluid dynamics: theory and analysis.
      Discussions:
      890
      Messages:
      19,526
      Latest: Getting Coefficients of lift for single sail boats. Remmlinger, Oct 21, 2021 at 1:18 PM
      RSS

    3. Stability

      Discuss stability issues and calculations, power and sail.
      Discussions:
      930
      Messages:
      15,692
      Latest: About dinghy intrinsic stability : proposition for a standard assessment Dolfiman, Oct 24, 2021 at 6:58 AM
      RSS

    4. Class Societies

      Scantling Rules, updates and discussion on Society Classification: Lloyds, ABS, DNV, ISO ...
      Discussions:
      375
      Messages:
      4,345
      Latest: Some questions about ISO 12215-5: 2019 TANSL, Oct 24, 2021 at 8:45 AM
      RSS

    5. Powerboats

      Discuss production and custom powerboats and powerboat design.
      Discussions:
      2,620
      Messages:
      27,824
      Latest: Impossible boat fuel mileage, 50 footer goes 29 knots at 5.5 liters per nautical mile?? cracked_ribs, Oct 23, 2021 at 12:39 AM
      RSS

    6. Propulsion

      Discuss marine engines, drives, and propulsion systems.
      Discussions:
      5,819
      Messages:
      68,242

      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: Outboard prop modifications DogCavalry, Oct 24, 2021 at 12:04 PM
      RSS

    7. Motorsailers

      Discuss monohull and multihull motorsailers and motorsailer design.
      Discussions:
      145
      Messages:
      3,805
      Latest: 42' Monk Motorsailer Ike, Sep 25, 2021
      RSS

    8. Sailboats

      Discuss monohull sailboat design, production and custom monohull sailboats.
      Discussions:
      4,297
      Messages:
      78,680
      Latest: Trailerable canal sailboat? DCockey, Oct 24, 2021 at 11:36 AM
      RSS

    9. Multihulls

      Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.
      Discussions:
      3,147
      Messages:
      83,399
      Latest: Newbie asking for advice rob denney, Oct 24, 2021 at 3:02 AM
      RSS

    10. OnBoard Electronics & Controls

      Discuss onboard mechanical, hydraulic, and electric control systems, monitoring, navigation, communication, systems integration and onboard computer systems.
      Discussions:
      831
      Messages:
      10,640
      Latest: Settled on my dual battery switch circuit setup sdowney717, Sep 22, 2021
      RSS

    11. Software

      Discuss marine design software: hull design, fairing, modeling, rendering, and CNC.
      Discussions:
      3,011
      Messages:
      24,499

      1. General Computing

      Latest: Autohydro Stability Criteria Run file Shrav, Oct 20, 2021 at 9:05 PM
      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:
      413
      Messages:
      8,156
      Latest: Adding a walk through to transom Justright, Oct 21, 2021 at 11:16 AM
      RSS

  3. Construction

    1. Boatbuilding

      Discuss boatbuilding projects, methods, plans & kits, ask questions, and share your experiences.
      Discussions:
      10,408
      Messages:
      125,687

      1. Fiberglass and Composite Boat Building

      2. Metal Boat Building

      3. Wooden Boat Building and Restoration

      4. Electrical Systems

      Latest: Lifting and Rotating Ship Blocks/Mega Blocks bajansailor, Oct 24, 2021 at 12:11 PM
      RSS

    2. Materials

      Discuss boatbuilding materials: composites, woods, metals, plastics, and finishes.
      Discussions:
      2,819
      Messages:
      30,063
      Latest: XPS core again fallguy, Oct 23, 2021 at 3:04 PM
      RSS

    3. Marketplace

      Boatbuilding materials, tools, equipment, molds, tooling and custom projects for sale or trade.
      Discussions:
      2,634
      Messages:
      12,339

      1. Boat Molds

      Latest: 23' Malstrom Hull and original deck mold Teddy, Oct 22, 2021 at 3:48 PM
      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:
      857
      Messages:
      6,089
      Latest: Principles of yacht design v5 Kayakmarathon, Oct 8, 2021
      RSS

    2. Services & Employment

      Post positions available and marine design and boatbuilding services offered.
      Discussions:
      1,821
      Messages:
      6,217
      Latest: Yacht Designer Youssef Hamdy, Sep 24, 2021
      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:
      4,173
      Messages:
      141,296

      1. Press Releases

      2. Wiki Archive

      3. Forum Questions and Suggestions

      4. Post-Tsunami

      Latest: Is the ocean broken? hoytedow, Oct 24, 2021 at 9:04 AM
      RSS