Boat Design

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

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  1. Navindu Karuanrathne

    Need Lines Plan For Passenger Ferry Catamaran for University Project

    Navindu Karuanrathne, Jun 22, 2025
    Replies:
    6
    Views:
    1,687
    Navindu Karuanrathne
    Jun 26, 2025
  2. Hiro Chen

    One question of outboard engine

    Hiro Chen, Jun 17, 2025 ... 2
    Replies:
    24
    Views:
    2,985
    Hiro Chen
    Jun 22, 2025
  3. hashtag_laeuft

    Weight estimation for wood coatings

    hashtag_laeuft, Jun 18, 2025 ... 2
    Replies:
    18
    Views:
    2,467
    hashtag_laeuft
    Jun 22, 2025
  4. JINLEE

    Commercial Jet boat new build

    JINLEE, Jun 14, 2025
    Replies:
    2
    Views:
    1,745
    BlueBell
    Jun 21, 2025
  5. ad657

    Design of LNG Bunkering Vessel

    ad657, May 31, 2025
    Replies:
    8
    Views:
    1,916
    TANSL
    Jun 20, 2025
  6. DCockey

    Different/Unique/Odd/???

    DCockey, Jun 13, 2025
    Replies:
    12
    Views:
    1,843
    clmanges
    Jun 17, 2025
  7. Andres94

    Vinylester vs. Isophthalic Resin in Oz Goose Construction with Fillets

    Andres94, Jun 10, 2025
    Replies:
    13
    Views:
    1,768
    ondarvr
    Jun 15, 2025
  8. jakeeeef

    Stepped hulls- 50 knots plus. Why?

    jakeeeef, Jun 25, 2023 ... 2 3
    Replies:
    43
    Views:
    6,414
    Horton HCCI
    Jun 14, 2025
  9. montero

    Boat suspension

    montero, Feb 9, 2025 ... 3 4 5
    Replies:
    67
    Views:
    6,721
    Horton HCCI
    Jun 14, 2025
  10. aaaaa

    What do you think of this dinghy design?

    aaaaa, Jun 10, 2025
    Replies:
    2
    Views:
    1,172
    Russell Brown
    Jun 12, 2025
  11. shaun Moir

    Fully HDPE 57ft Narrowboat – Why We Built It (and Why It Matters)

    shaun Moir, Jun 5, 2025 ... 2
    Replies:
    19
    Views:
    14,081
    shaun Moir
    Jun 12, 2025
  12. Nomiddlename

    Boat built by eye. Need feedback

    Nomiddlename, Jan 21, 2025 ... 3 4 5
    Replies:
    62
    Views:
    8,044
    Nomiddlename
    Jun 12, 2025
  13. Squidly-Diddly

    Mexican navy training Tall Ship crashes into bridge in NYC!

    Squidly-Diddly, May 18, 2025
    Replies:
    7
    Views:
    4,335
    braoun
    Jun 10, 2025
  14. montero

    Personal overboard survival ideas

    montero, May 26, 2025 ... 2 3 4
    Replies:
    56
    Views:
    4,077
    montero
    Jun 9, 2025
  15. T J

    Adding mini tubes in rear to help bouyance

    T J, Jun 5, 2025
    Replies:
    5
    Views:
    11,950
    kapnD
    Jun 7, 2025
  16. Phil Magnuson

    Rowing Needle

    Phil Magnuson, Jun 4, 2025
    Replies:
    4
    Views:
    1,090
    Skip Johnson
    Jun 5, 2025
  17. Squidly-Diddly

    what is the inside scoop on big Baltimore bridge crash?

    Squidly-Diddly, Mar 26, 2024 ... 6 7 8
    Replies:
    117
    Views:
    19,195
    BlueBell
    Jun 4, 2025
  18. laukejas

    Unifying small heel angle and large heel angle GM calculations

    laukejas, May 27, 2025 ... 2
    Replies:
    15
    Views:
    2,838
    CarlosK2
    Jun 4, 2025
  19. kapnD

    Integral fuel tanks

    kapnD, May 31, 2025
    Replies:
    6
    Views:
    1,138
    montero
    Jun 2, 2025
  20. Scott Harris

    solar electric boat needs more boyancy

    Scott Harris, Mar 30, 2025 ... 2 3
    Replies:
    39
    Views:
    4,195
    Scott Harris
    Jun 1, 2025
  21. gdirl

    Inverted hull calculations.

    gdirl, May 18, 2025
    Replies:
    5
    Views:
    1,445
    Kayakmarathon
    May 31, 2025
  22. sharkbite

    corrosion of aluminium keel by ballast-advice

    sharkbite, Apr 14, 2014
    Replies:
    11
    Views:
    6,221
    Gordon Gervais
    May 30, 2025
  23. Steveso

    Plywood daggerboard and rolling shear

    Steveso, Apr 2, 2025 ... 2
    Replies:
    28
    Views:
    3,288
    montero
    May 27, 2025
  24. famosa

    aluminium fuel tank

    famosa, May 22, 2025
    Replies:
    4
    Views:
    1,582
    fallguy
    May 24, 2025
  25. giacummo

    Goat Island Skiff and Freeship Results

    giacummo, May 22, 2025
    Replies:
    9
    Views:
    2,045
    TANSL
    May 24, 2025
  26. montero

    23' car roof jon boat

    montero, May 16, 2025 ... 2 3
    Replies:
    44
    Views:
    4,527
    montero
    May 23, 2025
  27. xichyu

    Which method is better for calculating shear force and bending moment of ship by usi

    xichyu, May 18, 2016 ... 3 4 5
    Replies:
    67
    Views:
    25,041
    latestarter
    May 22, 2025
  28. MtUmutSarac

    Faceted Airfoil Approximated Design for Foiled Surf Sailboard

    MtUmutSarac, May 11, 2025
    Replies:
    6
    Views:
    2,059
    wet feet
    May 22, 2025
  29. Azrie

    Amphibious Rigid Inflatable Boat (ARIB) Fender Replacement from Inflatable to Foam Filled Type

    Azrie, May 18, 2025
    Replies:
    3
    Views:
    3,587
    gonzo
    May 20, 2025
  30. pironiero

    Rig modification questions

    pironiero, Apr 28, 2025
    Replies:
    5
    Views:
    1,462
    pironiero
    May 20, 2025
  31. laukejas

    Advanced learning material on hull shape design?

    laukejas, Mar 29, 2025 ... 2 3
    Replies:
    40
    Views:
    9,413
    messabout
    May 17, 2025
  32. Daniel Harrell

    23’ center console monohull

    Daniel Harrell, Apr 17, 2025
    Replies:
    5
    Views:
    3,314
    TANSL
    May 17, 2025
  33. tonipu

    speed boat design

    tonipu, Jan 12, 2021 ... 8 9 10
    Replies:
    141
    Views:
    24,022
    tonipu
    May 15, 2025
  34. MtUmutSarac

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

    MtUmutSarac, May 10, 2025
    Replies:
    12
    Views:
    2,573
    gonzo
    May 14, 2025
  35. famosa

    windshield aluminium profile

    famosa, May 12, 2025
    Replies:
    13
    Views:
    2,024
    fallguy
    May 14, 2025
  36. pistnbroke

    Stacking boat in production

    pistnbroke, May 13, 2025
    Replies:
    4
    Views:
    1,185
    pistnbroke
    May 14, 2025
  37. Qmaran

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

    Qmaran, Apr 25, 2025
    Replies:
    10
    Views:
    3,434
    gonzo
    May 12, 2025
  38. gdirl

    27’ Garvey plans

    gdirl, May 9, 2025
    Replies:
    6
    Views:
    1,483
    gdirl
    May 10, 2025
  39. brian eiland

    Redesigning the Pilgrim 40 Trawler / Canal Boat / Coastal Cruiser

    brian eiland, Jan 24, 2017 ... 2
    Replies:
    19
    Views:
    30,460
    fallguy
    May 8, 2025
  40. yanivmass

    converting ABS moment of inertia units

    yanivmass, May 8, 2025
    Replies:
    0
    Views:
    861
    yanivmass
    May 8, 2025
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