Boat Design

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

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  1. Petr Podobsky

    Design and build plywood fast cruiser with lifting keel, 36 feet

    Petr Podobsky, May 8, 2024 ... 2
    Replies:
    19
    Views:
    682
    Petr Podobsky
    May 15, 2024 at 3:56 AM
  2. dustman

    Mast loads for freestanding masts

    dustman, May 10, 2024 at 6:30 PM ... 2
    Replies:
    16
    Views:
    553
    dustman
    May 15, 2024 at 3:54 AM
  3. David Swingler

    What is the Bayliner 2556 waterline length?

    David Swingler, May 1, 2024
    Replies:
    10
    Views:
    579
    Ike
    May 14, 2024 at 11:33 PM
  4. socalspearit

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

    socalspearit, Sep 2, 2021 ... 13 14 15
    Replies:
    222
    Views:
    22,579
    socalspearit
    May 14, 2024 at 2:02 PM
  5. Kaden Griffin

    Back of boat too high for outboard

    Kaden Griffin, May 12, 2024 at 10:21 PM
    Replies:
    3
    Views:
    179
    C. Dog
    May 13, 2024 at 12:54 AM
  6. Santosha

    Crowther Spindrift plans

    Santosha, Dec 15, 2008 ... 2
    Replies:
    29
    Views:
    6,256
    Rumars
    May 12, 2024 at 5:12 PM
  7. DogCavalry

    Hickman Sea Sled Information

    DogCavalry, Feb 12, 2021 ... 9 10 11
    Replies:
    161
    Views:
    24,849
    DogCavalry
    May 12, 2024 at 4:35 PM
  8. David Tyler

    The design of soft wing sails for cruising

    David Tyler, Jan 19, 2014 ... 17 18 19
    Replies:
    280
    Views:
    132,231
    dustman
    May 12, 2024 at 2:53 PM
  9. JCNalen

    Olympic Chase Boats

    JCNalen, Aug 23, 2008
    Replies:
    7
    Views:
    7,269
    francotripepi
    May 11, 2024 at 9:08 PM
  10. tpenfield

    Transom Pods - Flotation and Extended Planing Surface

    tpenfield, Aug 16, 2022 ... 2 3 4
    Replies:
    57
    Views:
    15,139
    fallguy
    May 10, 2024 at 11:11 PM
  11. Squidly-Diddly

    what is the inside scoop on big Baltimore bridge crash?

    Squidly-Diddly, Mar 26, 2024 ... 5 6 7
    Replies:
    91
    Views:
    5,434
    BMcF
    May 10, 2024 at 10:23 AM
  12. aaronhl

    Tell me your thoughts on this chine area bubble

    aaronhl, May 5, 2024 ... 2
    Replies:
    20
    Views:
    765
    aaronhl
    May 9, 2024 at 10:48 AM
  13. Arteaga27

    Moulded Depth Open boats

    Arteaga27, May 7, 2024
    Replies:
    2
    Views:
    297
    TANSL
    May 9, 2024 at 8:59 AM
  14. Bim Trinidad

    Floating Home Design on 90' by 120' aluminum barge

    Bim Trinidad, May 7, 2024
    Replies:
    6
    Views:
    334
    Will Gilmore
    May 8, 2024
  15. silentneko

    Outboard brackets and displacement speed

    silentneko, Apr 30, 2024 ... 2
    Replies:
    15
    Views:
    747
    DogCavalry
    May 7, 2024
  16. Pablo Sopelana

    Design Phases vs. Design Spiral

    Pablo Sopelana, May 4, 2024
    Replies:
    4
    Views:
    550
    Dolfiman
    May 7, 2024
  17. gonzo

    Decision Matrix to help with design spiral

    gonzo, Jan 12, 2024
    Replies:
    9
    Views:
    1,343
    gonzo
    May 6, 2024
  18. RSD

    Thoughts on this hull design - what seas and speeds etc.?

    RSD, May 5, 2024 ... 2
    Replies:
    19
    Views:
    722
    RSD
    May 6, 2024
  19. Jeff in Boston

    Project Log - New Keel, Who Dis? (Pearson 26 to Electric Cruiser)

    Jeff in Boston, Apr 23, 2021 ... 2 3
    Replies:
    38
    Views:
    5,330
    Jeff in Boston
    May 5, 2024
  20. JDN

    55' Commercial Fishing Vessel Design

    JDN, Dec 28, 2010 ... 2
    Replies:
    28
    Views:
    13,394
    TANSL
    May 5, 2024
  21. M4R1N

    Wayfarers

    M4R1N, May 3, 2024
    Replies:
    5
    Views:
    307
    Will Gilmore
    May 5, 2024
  22. TOMMIC

    Boat design for sale or investor needed to start production

    TOMMIC, Apr 8, 2024
    Replies:
    9
    Views:
    867
    Pablo Sopelana
    May 4, 2024
  23. jehardiman

    NTSB CONCEPTION Fire fallout starts

    jehardiman, May 4, 2022
    Replies:
    12
    Views:
    1,939
    jehardiman
    May 2, 2024
  24. cluttonfred

    One-armed bow cleat?

    cluttonfred, Apr 30, 2024
    Replies:
    6
    Views:
    516
    rangebowdrie
    May 2, 2024
  25. Victor A Sabelhaus

    Uncrewed Surface Vehicles

    Victor A Sabelhaus, Apr 22, 2024
    Replies:
    10
    Views:
    770
    Victor A Sabelhaus
    May 1, 2024
  26. cluttonfred

    Ruminations on Bolger's Storm Petrel

    cluttonfred, Apr 9, 2014 ... 2
    Replies:
    22
    Views:
    9,016
    cluttonfred
    Apr 30, 2024
  27. philSweet

    If Space X can catch a rocket, why not a boat?

    philSweet, Apr 17, 2024
    Replies:
    4
    Views:
    476
    comfisherman
    Apr 29, 2024
  28. Gregg McG

    1999 Lowe Trinidad Suncruiser 240

    Gregg McG, Apr 26, 2024
    Replies:
    0
    Views:
    399
    Gregg McG
    Apr 26, 2024
  29. evansjhenry

    RIB Conversion Plywood Sides

    evansjhenry, Apr 22, 2024
    Replies:
    4
    Views:
    531
    wet feet
    Apr 25, 2024
  30. mihari

    Bowsprit on a Snark Mayflower

    mihari, Oct 22, 2014 ... 2
    Replies:
    27
    Views:
    12,181
    ChrisGreek
    Apr 23, 2024
  31. mikel2me

    Covert RIB to hard sides

    mikel2me, Jul 23, 2011
    Replies:
    14
    Views:
    4,184
    evansjhenry
    Apr 22, 2024
  32. glenn stewart

    does anyone know about the bottom in a 1969 Thunderbird?

    glenn stewart, Apr 19, 2024
    Replies:
    4
    Views:
    424
    BMcF
    Apr 22, 2024
  33. Nathan Hill

    Looking for custom power catamaran boat builder

    Nathan Hill, Mar 26, 2024
    Replies:
    7
    Views:
    995
    willy13
    Apr 19, 2024
  34. John Ost

    Joe Dobler Q-17

    John Ost, Jul 31, 2012
    Replies:
    3
    Views:
    2,554
    gonzo
    Apr 19, 2024
  35. JCT2024

    Help finding the right plans

    JCT2024, Apr 16, 2024 ... 2
    Replies:
    16
    Views:
    782
    JCT2024
    Apr 18, 2024
  36. High72

    Solar powered boat

    High72, Dec 27, 2023 ... 2
    Replies:
    28
    Views:
    2,857
    High72
    Apr 18, 2024
  37. Pointlineplane

    Ideal longitudinal center

    Pointlineplane, Mar 31, 2024
    Replies:
    10
    Views:
    1,080
    C. Dog
    Apr 18, 2024
  38. bushsailor

    Curved foil design

    bushsailor, Apr 7, 2024
    Replies:
    8
    Views:
    707
    Ad Hoc
    Apr 17, 2024
  39. JoshTruman

    Fuel efficiency index

    JoshTruman, Apr 16, 2024
    Replies:
    1
    Views:
    397
    philSweet
    Apr 16, 2024
  40. mitchgrunes

    How stable would this 2 story houseboat near San Francisco be?

    mitchgrunes, Apr 10, 2024
    Replies:
    11
    Views:
    733
    Blueknarr
    Apr 14, 2024
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