Boat Design

Discuss boat design concepts, projects, plans, reviews, resources, and general design topics.

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  1. laukejas

    Advanced learning material on hull shape design?

    laukejas, Mar 29, 2025 ... 2 3
    Replies:
    40
    Views:
    7,978
    messabout
    May 17, 2025
  2. Daniel Harrell

    23’ center console monohull

    Daniel Harrell, Apr 17, 2025
    Replies:
    5
    Views:
    2,949
    TANSL
    May 17, 2025
  3. tonipu

    speed boat design

    tonipu, Jan 12, 2021 ... 8 9 10
    Replies:
    141
    Views:
    22,317
    tonipu
    May 15, 2025
  4. MtUmutSarac

    Boat Design - First Step - Sheer line and First Chine design

    MtUmutSarac, May 10, 2025
    Replies:
    12
    Views:
    1,887
    gonzo
    May 14, 2025
  5. famosa

    windshield aluminium profile

    famosa, May 12, 2025
    Replies:
    13
    Views:
    1,345
    fallguy
    May 14, 2025
  6. pistnbroke

    Stacking boat in production

    pistnbroke, May 13, 2025
    Replies:
    4
    Views:
    814
    pistnbroke
    May 14, 2025
  7. Qmaran

    Grok AI helped me design a mast. Is it any good?

    Qmaran, Apr 25, 2025
    Replies:
    10
    Views:
    2,923
    gonzo
    May 12, 2025
  8. gdirl

    27’ Garvey plans

    gdirl, May 9, 2025
    Replies:
    6
    Views:
    996
    gdirl
    May 10, 2025
  9. brian eiland

    Redesigning the Pilgrim 40 Trawler / Canal Boat / Coastal Cruiser

    brian eiland, Jan 24, 2017 ... 2
    Replies:
    19
    Views:
    29,695
    fallguy
    May 8, 2025
  10. yanivmass

    converting ABS moment of inertia units

    yanivmass, May 8, 2025
    Replies:
    0
    Views:
    640
    yanivmass
    May 8, 2025
  11. brian eiland

    New Age Trawler/Motorsailer; Kite assisted PowerYacht

    brian eiland, Nov 20, 2007 ... 25 26 27
    Replies:
    395
    Views:
    168,382
    brian eiland
    May 6, 2025
  12. Standpipe

    St Pierre Dory - much touted seaworthiness

    Standpipe, Mar 31, 2017 ... 2
    Replies:
    26
    Views:
    19,830
    Emerson White
    May 6, 2025
  13. Squidly-Diddly

    would you drown in big ships wake due to air bubbles lowering density?

    Squidly-Diddly, Apr 27, 2025
    Replies:
    13
    Views:
    2,504
    Will Gilmore
    May 5, 2025
  14. KEL505

    Elco Lines Drawings

    KEL505, May 4, 2025
    Replies:
    0
    Views:
    716
    KEL505
    May 4, 2025
  15. cmetzbower

    Can someone help explain the old “Suicide” class rules to me?

    cmetzbower, Feb 25, 2025 ... 2
    Replies:
    16
    Views:
    4,414
    starcmr
    May 2, 2025
  16. Guest625101138

    Pedal Powered Boats

    Guest625101138, Jul 14, 2008 ... 151 152 153
    Replies:
    2,292
    Views:
    1,126,276
    Tedd White
    Apr 30, 2025
  17. seapassionate

    37 ft (approx.) big game sport fishing boat design

    seapassionate, Dec 10, 2024
    Replies:
    11
    Views:
    1,702
    philSweet
    Apr 27, 2025
  18. Busanga

    Osprey 24 Fisherman Pilothouse IO to Outboard conversion

    Busanga, May 29, 2022
    Replies:
    10
    Views:
    3,689
    CaptG
    Apr 25, 2025
  19. Maxxi

    17ft aluminium center console boat - Opinions?

    Maxxi, Apr 10, 2019 ... 2 3
    Replies:
    30
    Views:
    10,072
    gonzo
    Apr 22, 2025
  20. Akeswins

    Planing hull inclines to the left

    Akeswins, Jul 23, 2018 ... 2 3 4
    Replies:
    49
    Views:
    9,551
    Akeswins
    Apr 22, 2025
  21. Squidly-Diddly

    I don't get it, what makes this mech-fish swim exactly?

    Squidly-Diddly, Apr 16, 2025
    Replies:
    6
    Views:
    2,413
    Squidly-Diddly
    Apr 21, 2025
  22. cmetzbower

    Trim Tab on a Daggerboard?

    cmetzbower, Apr 17, 2025
    Replies:
    8
    Views:
    988
    CarlosK2
    Apr 19, 2025
  23. MotorCityBW

    Convert a JPG Boat Photo to CAD like drawing graphic

    MotorCityBW, Aug 16, 2023 ... 2
    Replies:
    23
    Views:
    7,216
    starcmr
    Apr 15, 2025
  24. MtUmutSarac

    How to make Oru Kayak with - PP Solid - No Corrugated Sheet

    MtUmutSarac, Apr 7, 2025
    Replies:
    6
    Views:
    2,117
    starcmr
    Apr 14, 2025
  25. MtUmutSarac

    Marseille France Yacht Club Flat Bottom Boats

    MtUmutSarac, Apr 7, 2025
    Replies:
    9
    Views:
    2,245
    montero
    Apr 14, 2025
  26. Silvard

    Looking for a long range expedition aluminum power catamaran design

    Silvard, Mar 20, 2025 ... 3 4 5
    Replies:
    72
    Views:
    8,494
    montero
    Apr 12, 2025
  27. yabert

    How to design aluminum dinghy

    yabert, Dec 19, 2024 ... 2
    Replies:
    21
    Views:
    3,857
    starcmr
    Apr 12, 2025
  28. MarkOHara

    Sean Crowley's "FINN AGAIN" a £2,000 Atlantic Row Boat

    MarkOHara, Apr 8, 2025
    Replies:
    5
    Views:
    1,146
    montero
    Apr 12, 2025
  29. the brain

    Installing new saddle tanks

    the brain, Apr 9, 2025
    Replies:
    0
    Views:
    714
    the brain
    Apr 9, 2025
  30. the brain

    I would like to make a main engine bracket

    the brain, Apr 1, 2025
    Replies:
    6
    Views:
    2,192
    the brain
    Apr 9, 2025
  31. Pete Smith

    Small electric powered catamaran for safety boat use?

    Pete Smith, Oct 21, 2023
    Replies:
    6
    Views:
    3,109
    WarrenM
    Apr 8, 2025
  32. Silas McGhee

    Small Power Catamarans?

    Silas McGhee, Jun 6, 2024
    Replies:
    14
    Views:
    5,179
    WarrenM
    Apr 8, 2025
  33. MtUmutSarac

    found a boat plan named wanderer, is it wayfarer , can experts look at it ?

    MtUmutSarac, Apr 7, 2025
    Replies:
    5
    Views:
    1,576
    wet feet
    Apr 8, 2025
  34. Willallison

    Crouch Constant

    Willallison, May 24, 2002 ... 2
    Replies:
    22
    Views:
    27,835
    DogCavalry
    Apr 5, 2025
  35. Ufuk

    hull design angle

    Ufuk, Mar 17, 2025
    Replies:
    3
    Views:
    1,372
    gonzo
    Apr 4, 2025
  36. HJS

    EcoSmart, an efficient motorboat

    HJS, Mar 9, 2022 ... 2 3 4
    Replies:
    47
    Views:
    9,739
    gonzo
    Apr 4, 2025
  37. daveygoz

    4-5 metre trailerable power cat build

    daveygoz, Apr 2, 2025
    Replies:
    0
    Views:
    721
    daveygoz
    Apr 2, 2025
  38. Jolly Mon

    Catamaran Dinghy

    Jolly Mon, Jun 30, 2019 ... 2
    Replies:
    28
    Views:
    14,570
    daveygoz
    Apr 2, 2025
  39. daveygoz

    power catamaran tender build

    daveygoz, Apr 1, 2025
    Replies:
    2
    Views:
    844
    daveygoz
    Apr 1, 2025
  40. Tom V

    Eastern Lobsterman 27 Listing at high speed

    Tom V, Jul 31, 2023 ... 2
    Replies:
    22
    Views:
    4,288
    Greg Bon
    Mar 31, 2025
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