Boat Design

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

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  1. Shai De

    Help needed in building the first boat (pedal powered) :)

    Shai De, Oct 3, 2022 at 11:05 AM
    Replies:
    5
    Views:
    108
    Andrew Kirk
    Oct 4, 2022 at 10:17 AM
  2. FMSki

    1997 Ski Nautique Resto-mod project

    FMSki, Oct 2, 2022 at 7:14 PM
    Replies:
    1
    Views:
    68
    gonzo
    Oct 4, 2022 at 10:17 AM
  3. Benjamin L.

    Jet boat

    Benjamin L., Oct 3, 2022 at 2:30 PM
    Replies:
    3
    Views:
    95
    bajansailor
    Oct 4, 2022 at 9:04 AM
  4. socalspearit

    Custom 19' all weather, minimalist, strip plank composite 'go fast'

    socalspearit, Sep 2, 2021 ... 13 14 15
    Replies:
    213
    Views:
    11,992
    socalspearit
    Oct 4, 2022 at 5:33 AM
  5. socalspearit

    26' power trimaran, trawler style family boat

    socalspearit, Oct 3, 2022 at 7:46 AM
    Replies:
    4
    Views:
    143
    Alan Cattelliot
    Oct 4, 2022 at 4:37 AM
  6. slboatdesing

    Electric Leisure Boat Design II

    slboatdesing, Aug 9, 2022 ... 5 6 7
    Replies:
    97
    Views:
    4,060
    slboatdesing
    Oct 4, 2022 at 2:01 AM
  7. zstine

    Brain Teaser: Renewable Powered ‘Flying’ Yacht

    zstine, Mar 31, 2022 ... 2 3
    Replies:
    39
    Views:
    1,809
    tmz
    Oct 4, 2022 at 1:58 AM
  8. BMP

    X-Bow on small craft

    BMP, Jul 22, 2022
    Replies:
    3
    Views:
    365
    jehardiman
    Oct 4, 2022 at 1:20 AM
  9. nickrj

    Design / small launch based around SABB diesel

    nickrj, Oct 3, 2022 at 6:06 PM
    Replies:
    2
    Views:
    75
    nickrj
    Oct 3, 2022 at 11:50 PM
  10. jdray

    Small Inboard Electric Lake Boat

    jdray, Sep 16, 2022
    Replies:
    8
    Views:
    381
    jdray
    Oct 3, 2022 at 11:09 PM
  11. Richard Gaysowski

    Can you ID this small 1960’s/70’s sailboat?

    Richard Gaysowski, Jul 16, 2022 ... 2 3
    Replies:
    30
    Views:
    1,607
    Tops
    Oct 3, 2022 at 7:59 PM
  12. CaptChap

    Bar Island Skiff - Hull flip done

    CaptChap, Oct 3, 2022 at 9:50 AM
    Replies:
    1
    Views:
    80
    bajansailor
    Oct 3, 2022 at 2:31 PM
  13. JohnGB

    Is a walkway around a deckhouse always necessary?

    JohnGB, Sep 30, 2022 at 5:41 AM ... 2
    Replies:
    21
    Views:
    398
    Alan Cattelliot
    Oct 3, 2022 at 1:38 AM
  14. Benjamin L.

    Use a Snowmobile engine to power a boat with turbine?

    Benjamin L., Sep 22, 2022
    Replies:
    8
    Views:
    397
    comfisherman
    Oct 2, 2022 at 11:33 PM
  15. Tundratom

    Bertram 20 Engine Bay

    Tundratom, Sep 27, 2022 ... 2
    Replies:
    20
    Views:
    413
    mudsailor
    Oct 2, 2022 at 7:30 PM
  16. tpenfield

    Transom Pods - Flotation and Extended Planing Surface

    tpenfield, Aug 16, 2022 ... 2 3
    Replies:
    33
    Views:
    1,642
    tpenfield
    Oct 1, 2022 at 12:38 PM
  17. Rounak Saha Niloy

    Motion Sickness Incidence Index

    Rounak Saha Niloy, Sep 18, 2022
    Replies:
    6
    Views:
    372
    Skyak
    Sep 30, 2022 at 12:18 PM
  18. schakel

    A ground effect boat. Not the first and certainly not the last

    schakel, Sep 26, 2022
    Replies:
    9
    Views:
    377
    schakel
    Sep 30, 2022 at 8:57 AM
  19. Alexmach1

    Aluminum 8 meter beast

    Alexmach1, Sep 30, 2022 at 4:30 AM
    Replies:
    0
    Views:
    105
    Alexmach1
    Sep 30, 2022 at 4:30 AM
  20. CaptChap

    New skiff - bottom with keel/rubbing strakes

    CaptChap, Sep 13, 2022
    Replies:
    9
    Views:
    370
    CaptChap
    Sep 29, 2022 at 7:37 AM
  21. LePrince

    Ship shape Vs Chain

    LePrince, Sep 25, 2022
    Replies:
    8
    Views:
    382
    Kreso
    Sep 29, 2022 at 1:55 AM
  22. tmz

    Crossover Yacht (beachable houseboat)

    tmz, Sep 27, 2022
    Replies:
    1
    Views:
    192
    fallguy
    Sep 27, 2022
  23. zstine

    Design Contrats And Intelectual Property Ownership

    zstine, Sep 23, 2022 ... 2
    Replies:
    20
    Views:
    656
    rxcomposite
    Sep 26, 2022
  24. Leopard

    Sand Blasting Machine

    Leopard, Sep 25, 2022
    Replies:
    2
    Views:
    176
    rocco611
    Sep 25, 2022
  25. slboatdesing

    Can wheeled vehicle run on the surface of water at high speed?

    slboatdesing, Aug 22, 2022 ... 3 4 5
    Replies:
    64
    Views:
    2,328
    slboatdesing
    Sep 25, 2022
  26. Leopard

    Winch Machine for Docking Undocking

    Leopard, Sep 24, 2022
    Replies:
    1
    Views:
    173
    jehardiman
    Sep 24, 2022
  27. Furio

    GRP top hat stiffener section modulus design

    Furio, Sep 22, 2022
    Replies:
    6
    Views:
    286
    TANSL
    Sep 24, 2022
  28. Squidly-Diddly

    how do we save Global Dream II from breakers?....

    Squidly-Diddly, Sep 11, 2022 ... 2
    Replies:
    25
    Views:
    975
    jehardiman
    Sep 23, 2022
  29. NAstudent

    yacht deadweight coefficient

    NAstudent, Sep 22, 2022
    Replies:
    4
    Views:
    209
    Rumars
    Sep 22, 2022
  30. Jason Rodgers

    Overhead void filling

    Jason Rodgers, Sep 21, 2022
    Replies:
    3
    Views:
    195
    fallguy
    Sep 22, 2022
  31. Swiftsure33

    Spreader Angle for External Chainplates

    Swiftsure33, Nov 14, 2017
    Replies:
    8
    Views:
    2,250
    Ajg2199
    Sep 21, 2022
  32. JAXMKE

    Thoughts or Counsel Solicited-Fisher Potter Ketch Motorsailer Converted to Outboard Trawler

    JAXMKE, May 12, 2018
    Replies:
    9
    Views:
    2,605
    Bobhjax
    Sep 18, 2022
  33. thundermountain

    Fiberglass over plywood vs all fiberglass hull

    thundermountain, Sep 17, 2022
    Replies:
    14
    Views:
    400
    philSweet
    Sep 18, 2022
  34. rony2014

    Are the predicted lifespan and build quality of boats considered during design?

    rony2014, Sep 12, 2022
    Replies:
    6
    Views:
    431
    ziper1221
    Sep 18, 2022
  35. Jaro

    Hogfish like sharpie in Delftship

    Jaro, Sep 16, 2022
    Replies:
    8
    Views:
    291
    Jaro
    Sep 18, 2022
  36. Jimboat

    "Vision Marine Technologies Testing Electric-Powered 32-Foot Cat With 100-Plus-MPH Goal In Mind

    Jimboat, Aug 26, 2022
    Replies:
    5
    Views:
    472
    slboatdesing
    Sep 17, 2022
  37. Marcus SE

    49 feet Solar Powered Plywood Monohull

    Marcus SE, Apr 15, 2022
    Replies:
    10
    Views:
    1,075
    fallguy
    Sep 16, 2022
  38. fpjeepy05

    Off center single engine

    fpjeepy05, Aug 31, 2022 ... 2
    Replies:
    20
    Views:
    696
    fpjeepy05
    Sep 15, 2022
  39. Kaaro

    Conversion to gaff rig

    Kaaro, Aug 16, 2022 ... 2
    Replies:
    16
    Views:
    768
    gonzo
    Sep 15, 2022
  40. mitchgrunes

    Simple roof rack kayak roller? Or slide on nylon over foam rack pad?

    mitchgrunes, Sep 7, 2022
    Replies:
    6
    Views:
    406
    mitchgrunes
    Sep 14, 2022
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