Boat Design

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

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  1. peter radclyffe

    yacht sunk in med

    peter radclyffe, Aug 19, 2024 ... 12 13 14
    Replies:
    197
    Views:
    22,129
    peter radclyffe
    Jun 30, 2025 at 10:43 PM
  2. fpjeepy05

    Aluminum Skiff

    fpjeepy05, Jun 23, 2025 ... 2
    Replies:
    15
    Views:
    845
    montero
    Jun 30, 2025 at 6:06 PM
  3. BMP

    Best resource for learning to calculate scantlings

    BMP, Jun 25, 2025 at 5:21 PM ... 2
    Replies:
    17
    Views:
    724
    TANSL
    Jun 30, 2025 at 3:53 PM
  4. Marine_Mechanic

    Updating a keel-hung rudder

    Marine_Mechanic, Jun 29, 2025 at 8:53 AM
    Replies:
    6
    Views:
    308
    gonzo
    Jun 30, 2025 at 3:41 PM
  5. Sebastian De La Maza

    3 meter HDPE sailing dinghy

    Sebastian De La Maza, Dec 2, 2024 ... 2 3
    Replies:
    33
    Views:
    6,346
    comfisherman
    Jun 29, 2025 at 12:51 PM
  6. Navindu Karuanrathne

    Need Lines Plan For Passenger Ferry Catamaran for University Project

    Navindu Karuanrathne, Jun 22, 2025
    Replies:
    6
    Views:
    822
    Navindu Karuanrathne
    Jun 26, 2025 at 8:35 AM
  7. Hiro Chen

    One question of outboard engine

    Hiro Chen, Jun 17, 2025 ... 2
    Replies:
    24
    Views:
    1,463
    Hiro Chen
    Jun 22, 2025
  8. hashtag_laeuft

    Weight estimation for wood coatings

    hashtag_laeuft, Jun 18, 2025 ... 2
    Replies:
    18
    Views:
    1,261
    hashtag_laeuft
    Jun 22, 2025
  9. JINLEE

    Commercial Jet boat new build

    JINLEE, Jun 14, 2025
    Replies:
    2
    Views:
    1,128
    BlueBell
    Jun 21, 2025
  10. ad657

    Design of LNG Bunkering Vessel

    ad657, May 31, 2025
    Replies:
    8
    Views:
    1,265
    TANSL
    Jun 20, 2025
  11. DCockey

    Different/Unique/Odd/???

    DCockey, Jun 13, 2025
    Replies:
    12
    Views:
    1,103
    clmanges
    Jun 17, 2025
  12. ASIS BOATS

    Foam-Filled Aluminum Hull: The ASIS FoamShield® Advantage

    ASIS BOATS, Jun 17, 2025
    Replies:
    1
    Views:
    654
    Ad Hoc
    Jun 17, 2025
  13. Andres94

    Vinylester vs. Isophthalic Resin in Oz Goose Construction with Fillets

    Andres94, Jun 10, 2025
    Replies:
    13
    Views:
    1,104
    ondarvr
    Jun 15, 2025
  14. jakeeeef

    Stepped hulls- 50 knots plus. Why?

    jakeeeef, Jun 25, 2023 ... 2 3
    Replies:
    43
    Views:
    4,388
    Horton HCCI
    Jun 14, 2025
  15. montero

    Boat suspension

    montero, Feb 9, 2025 ... 3 4 5
    Replies:
    67
    Views:
    4,659
    Horton HCCI
    Jun 14, 2025
  16. DavidMJordan

    Bamboo boats

    DavidMJordan, Aug 21, 2010 ... 2
    Replies:
    22
    Views:
    30,647
    montero
    Jun 13, 2025
  17. HappyDork

    What is the HP needed to drive a 20m x 3m 40MT boat at 13kph?

    HappyDork, Jan 16, 2025 ... 2 3
    Replies:
    36
    Views:
    3,865
    HappyDork
    Jun 13, 2025
  18. aaaaa

    What do you think of this dinghy design?

    aaaaa, Jun 10, 2025
    Replies:
    2
    Views:
    663
    Russell Brown
    Jun 12, 2025
  19. Horton HCCI

    Hydroplaning Rowboat

    Horton HCCI, Jun 9, 2025 ... 2 3
    Replies:
    31
    Views:
    1,924
    Horton HCCI
    Jun 12, 2025
  20. shaun Moir

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

    shaun Moir, Jun 5, 2025 ... 2
    Replies:
    19
    Views:
    2,843
    shaun Moir
    Jun 12, 2025
  21. Nomiddlename

    Boat built by eye. Need feedback

    Nomiddlename, Jan 21, 2025 ... 3 4 5
    Replies:
    62
    Views:
    6,068
    Nomiddlename
    Jun 12, 2025
  22. Squidly-Diddly

    Mexican navy training Tall Ship crashes into bridge in NYC!

    Squidly-Diddly, May 18, 2025
    Replies:
    7
    Views:
    3,762
    braoun
    Jun 10, 2025
  23. montero

    Personal overboard survival ideas

    montero, May 26, 2025 ... 2 3 4
    Replies:
    56
    Views:
    2,714
    montero
    Jun 9, 2025
  24. T J

    Adding mini tubes in rear to help bouyance

    T J, Jun 5, 2025
    Replies:
    5
    Views:
    2,138
    kapnD
    Jun 7, 2025
  25. Phil Magnuson

    Rowing Needle

    Phil Magnuson, Jun 4, 2025
    Replies:
    4
    Views:
    658
    Skip Johnson
    Jun 5, 2025
  26. Squidly-Diddly

    what is the inside scoop on big Baltimore bridge crash?

    Squidly-Diddly, Mar 26, 2024 ... 6 7 8
    Replies:
    117
    Views:
    16,958
    BlueBell
    Jun 4, 2025
  27. MtUmutSarac

    Looking for Skerry SK15, 15 Square meter Class Line Plans

    MtUmutSarac, Jun 4, 2025
    Replies:
    0
    Views:
    421
    MtUmutSarac
    Jun 4, 2025
  28. laukejas

    Unifying small heel angle and large heel angle GM calculations

    laukejas, May 27, 2025 ... 2
    Replies:
    15
    Views:
    1,447
    CarlosK2
    Jun 4, 2025
  29. kapnD

    Integral fuel tanks

    kapnD, May 31, 2025
    Replies:
    6
    Views:
    755
    montero
    Jun 2, 2025
  30. Scott Harris

    solar electric boat needs more boyancy

    Scott Harris, Mar 30, 2025 ... 2 3
    Replies:
    39
    Views:
    3,082
    Scott Harris
    Jun 1, 2025
  31. gdirl

    Inverted hull calculations.

    gdirl, May 18, 2025
    Replies:
    5
    Views:
    1,059
    Kayakmarathon
    May 31, 2025
  32. sharkbite

    corrosion of aluminium keel by ballast-advice

    sharkbite, Apr 14, 2014
    Replies:
    11
    Views:
    5,858
    Gordon Gervais
    May 30, 2025
  33. Steveso

    Plywood daggerboard and rolling shear

    Steveso, Apr 2, 2025 ... 2
    Replies:
    28
    Views:
    2,475
    montero
    May 27, 2025
  34. famosa

    aluminium fuel tank

    famosa, May 22, 2025
    Replies:
    4
    Views:
    1,212
    fallguy
    May 24, 2025
  35. giacummo

    Goat Island Skiff and Freeship Results

    giacummo, May 22, 2025
    Replies:
    9
    Views:
    1,355
    TANSL
    May 24, 2025
  36. montero

    23' car roof jon boat

    montero, May 16, 2025 ... 2 3
    Replies:
    44
    Views:
    3,440
    montero
    May 23, 2025
  37. 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:
    23,288
    latestarter
    May 22, 2025
  38. MtUmutSarac

    Faceted Airfoil Approximated Design for Foiled Surf Sailboard

    MtUmutSarac, May 11, 2025
    Replies:
    6
    Views:
    1,642
    wet feet
    May 22, 2025
  39. Azrie

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

    Azrie, May 18, 2025
    Replies:
    3
    Views:
    3,157
    gonzo
    May 20, 2025
  40. pironiero

    Rig modification questions

    pironiero, Apr 28, 2025
    Replies:
    5
    Views:
    1,129
    pironiero
    May 20, 2025
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