Boat Design

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

Page 1 of 380
Sort By:
Title Start Date
Replies Views ↑
Last Message
  1. Are Terjesen

    New Marketplace for Boats

    Are Terjesen, Dec 7, 2025 at 8:47 AM
    Replies:
    1
    Views:
    35
    kapnD
    Dec 7, 2025 at 11:40 AM
  2. Goranskoog

    Zero-Emission Wave-Energy Vessel with Lift-Optimized Archimedes Screw Turbines

    Goranskoog, Dec 3, 2025 at 4:35 AM
    Replies:
    0
    Views:
    139
    Goranskoog
    Dec 3, 2025 at 4:35 AM
  3. the brain

    modify a outboard bracket from V bottom to a flat bottom

    the brain, Dec 3, 2025 at 7:45 PM
    Replies:
    2
    Views:
    149
    the brain
    Dec 4, 2025 at 9:25 PM
  4. Chief Captain

    15 ft. built in 1976 with a midship livewell. Does anyone know of a plan it was built from?

    Chief Captain, Dec 3, 2025 at 7:33 PM
    Replies:
    4
    Views:
    232
    Chief Captain
    Dec 6, 2025 at 2:34 PM
  5. william stokes

    14m planing

    william stokes, Nov 21, 2025
    Replies:
    3
    Views:
    279
    william stokes
    Nov 22, 2025
  6. SmallLight

    Sponson Math - Stability Deltas

    SmallLight, Nov 10, 2025
    Replies:
    2
    Views:
    294
    Ad Hoc
    Nov 11, 2025
  7. tom power

    Advise on twin rudder sailboat design

    tom power, Dec 2, 2025 at 11:59 AM ... 2
    Replies:
    17
    Views:
    345
    tom power
    Dec 6, 2025 at 5:24 PM
  8. Silvertooth

    Skiff

    Silvertooth, Nov 9, 2025
    Replies:
    7
    Views:
    396
    portacruise
    Nov 10, 2025
  9. JColeman

    Suggestions and advice

    JColeman, Oct 27, 2025
    Replies:
    3
    Views:
    418
    fallguy
    Oct 27, 2025
  10. alfonsosoto

    Glue question

    alfonsosoto, Nov 6, 2025
    Replies:
    4
    Views:
    418
    seasquirt
    Nov 7, 2025
  11. green_mango

    Rules governing structural bolt connections

    green_mango, Oct 13, 2025
    Replies:
    2
    Views:
    430
    gonzo
    Oct 13, 2025
  12. Joonatan

    Asymmetrical and Symmetrical hull form in powerboat

    Joonatan, Nov 17, 2025
    Replies:
    7
    Views:
    444
    TANSL
    Nov 18, 2025
  13. Dakotaly

    Alternative to Welded Stringers... Maybe

    Dakotaly, Nov 11, 2025
    Replies:
    6
    Views:
    454
    Ad Hoc
    Nov 12, 2025
  14. pistnbroke

    HELP silly question on inflatable tender valves

    pistnbroke, Nov 4, 2025
    Replies:
    7
    Views:
    459
    pistnbroke
    Nov 5, 2025
  15. SmallLight

    Aluminum Hull - How Thick is Too Thin?

    SmallLight, Nov 19, 2025
    Replies:
    8
    Views:
    464
    SmallLight
    Nov 20, 2025
  16. Luke Bryan

    Looking for modern and tradional design

    Luke Bryan, Nov 28, 2025 ... 2
    Replies:
    18
    Views:
    557
    Luke Bryan
    Dec 7, 2025 at 8:55 AM
  17. Yara Elboraie

    Help Needed: Houseboat Hull & Floor Design Details

    Yara Elboraie, Nov 20, 2025
    Replies:
    13
    Views:
    607
    Tops
    Nov 22, 2025
  18. Nomiddlename

    Feedback on preliminary sketches

    Nomiddlename, Oct 2, 2025
    Replies:
    3
    Views:
    618
    Pippag
    Nov 17, 2025
  19. kendall beymer

    Fiberglass Hulls v Multiple Floats

    kendall beymer, Oct 30, 2025
    Replies:
    11
    Views:
    677
    gonzo
    Nov 1, 2025
  20. EthanEG

    Wondering required parts to swap mercruiser 4.3 v6 to v8

    EthanEG, Nov 18, 2025 ... 2
    Replies:
    18
    Views:
    679
    mudsailor
    Nov 29, 2025
  21. jakeeeef

    Why are transom trim tabs flat?

    jakeeeef, Oct 18, 2025
    Replies:
    8
    Views:
    687
    fallguy
    Oct 20, 2025
  22. sun

    Without simulation, how can we calculate and prove the difference in resistance between the bow and

    sun, Oct 16, 2025
    Replies:
    9
    Views:
    713
    sun
    Oct 20, 2025
  23. Geostoik

    Van der stadt Carribbean 40 plans

    Geostoik, Aug 14, 2025
    Replies:
    0
    Views:
    766
    Geostoik
    Aug 14, 2025
  24. Petr Podobsky

    Two parts folding mast

    Petr Podobsky, Aug 23, 2025
    Replies:
    1
    Views:
    826
    montero
    Aug 23, 2025
  25. hashtag_laeuft

    Dimensioning of plywood cockpit floor

    hashtag_laeuft, Nov 9, 2025 ... 2
    Replies:
    20
    Views:
    855
    hashtag_laeuft
    Nov 14, 2025
  26. R Andrews

    2000 Mainship Pilot 30'

    R Andrews, Jul 17, 2025
    Replies:
    1
    Views:
    868
    bajansailor
    Jul 17, 2025
  27. DogCavalry

    The Current Limits of Modeling

    DogCavalry, Oct 8, 2025 ... 2
    Replies:
    15
    Views:
    872
    DogCavalry
    Oct 11, 2025
  28. bucketlist

    58 ' Custom Moody Ocean Cruiser - Antigua

    bucketlist, Feb 24, 2025
    Replies:
    0
    Views:
    888
    bucketlist
    Feb 24, 2025
  29. Lauren McGehee

    USED Phoenix Dispense Equipment

    Lauren McGehee, Jan 23, 2025
    Replies:
    0
    Views:
    901
    Lauren McGehee
    Jan 23, 2025
  30. George T

    double-handed hiking dinghy - Big Merlin Rocket?

    George T, Nov 20, 2025
    Replies:
    5
    Views:
    921
    TS19
    Nov 24, 2025
  31. yanivmass

    converting ABS moment of inertia units

    yanivmass, May 8, 2025
    Replies:
    0
    Views:
    925
    yanivmass
    May 8, 2025
  32. Steven Lewis

    Where in the USA can I get 4' wide pontoons for houseboats.

    Steven Lewis, Aug 20, 2025
    Replies:
    1
    Views:
    964
    gonzo
    Aug 21, 2025
  33. matiss311

    Searching boat designer and naval architect for active foiling motorboat project

    matiss311, Sep 15, 2025
    Replies:
    8
    Views:
    969
    CocoonCruisers
    Sep 18, 2025
  34. Dominykas

    Simple race hydroplane

    Dominykas, Jul 8, 2025
    Replies:
    3
    Views:
    991
    montero
    Jul 9, 2025
  35. mustafaumu sarac

    French Kayak like Oru, 4X2 mts wide sheet, No Corrugated Plastic at Market but Solid

    mustafaumu sarac, Jan 25, 2025
    Replies:
    1
    Views:
    1,003
    fallguy
    Jan 25, 2025
  36. Steveca4

    Cargo canoe to trimaran

    Steveca4, Aug 21, 2025
    Replies:
    6
    Views:
    1,010
    kapnD
    Aug 23, 2025
  37. lutf911

    Excel To Autocad

    lutf911, Jul 17, 2025
    Replies:
    2
    Views:
    1,013
    Tops
    Jul 18, 2025
  38. Captain Chaos

    Transom trailing edge

    Captain Chaos, Mar 23, 2025
    Replies:
    3
    Views:
    1,020
    jehardiman
    Mar 23, 2025
  39. R Andrews

    1949 28' Egg Harbor Jersey Sea Skiff

    R Andrews, Jul 17, 2025
    Replies:
    2
    Views:
    1,024
    clmanges
    Jul 20, 2025
  40. bigjimmy

    haines remake- the missing boat V19L

    bigjimmy, Mar 3, 2025
    Replies:
    0
    Views:
    1,033
    bigjimmy
    Mar 3, 2025
Showing threads 1 to 40 of 15,169

Thread Display Options

Loading...
Page 1 of 380