Boat Design

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

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  1. Kermath

    Split Paddle Wheel propulsion design

    Kermath, Dec 27, 2024 ... 6 7 8
    Replies:
    107
    Views:
    16,723
    montero
    Feb 13, 2025
  2. Joonatan

    Longitudinal frame twisting and different kind of holes in transverse frames

    Joonatan, Jan 31, 2025 ... 2
    Replies:
    18
    Views:
    4,123
    Joonatan
    Feb 12, 2025
  3. seapassionate

    Sport fishing boat design

    seapassionate, Feb 1, 2025 ... 2
    Replies:
    16
    Views:
    4,400
    seapassionate
    Feb 10, 2025
  4. johnndeanna

    Atkins Mitty Ann

    johnndeanna, Feb 2, 2025
    Replies:
    4
    Views:
    1,575
    rangebowdrie
    Feb 8, 2025
  5. john caputo

    1990 Beneteau Hull Design

    john caputo, Jan 24, 2025
    Replies:
    13
    Views:
    2,713
    tane
    Feb 8, 2025
  6. the brain

    Plan to reduce the size & weight of the transom kneebrace.

    the brain, Jan 28, 2025
    Replies:
    9
    Views:
    3,079
    the brain
    Feb 6, 2025
  7. Roberto Hoz

    How to replicate steel "Danish Gaff Traders"?

    Roberto Hoz, Jan 17, 2025
    Replies:
    12
    Views:
    3,209
    Rumars
    Jan 29, 2025
  8. Armi91

    Amphibious mobile home

    Armi91, Jan 24, 2025 ... 2 3 4
    Replies:
    46
    Views:
    5,826
    gonzo
    Jan 27, 2025
  9. AnthonyW

    Kerdyn Green Foam - trimaran / multipurpose

    AnthonyW, Oct 14, 2024 ... 2
    Replies:
    23
    Views:
    51,608
    AnthonyW
    Jan 26, 2025
  10. socalspearit

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

    socalspearit, Sep 2, 2021 ... 15 16 17
    Replies:
    247
    Views:
    46,346
    socalspearit
    Jan 26, 2025
  11. Tye

    Mini pontoon/5 inch gold Dredge

    Tye, Jan 24, 2025
    Replies:
    7
    Views:
    1,842
    Tye
    Jan 26, 2025
  12. 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:
    1,203
    fallguy
    Jan 25, 2025
  13. dustman

    How much buoyancy is needed for catamaran hulls?

    dustman, Aug 14, 2023 ... 2 3
    Replies:
    36
    Views:
    9,805
    ropf
    Jan 25, 2025
  14. Mford

    1937, 38, 39 clipper

    Mford, Jan 24, 2025
    Replies:
    6
    Views:
    1,395
    gonzo
    Jan 24, 2025
  15. Cjbrill715

    5052 H32...Yay or Nay

    Cjbrill715, Jan 10, 2025 ... 2
    Replies:
    19
    Views:
    7,794
    Ad Hoc
    Jan 23, 2025
  16. Lauren McGehee

    USED Phoenix Dispense Equipment

    Lauren McGehee, Jan 23, 2025
    Replies:
    0
    Views:
    1,053
    Lauren McGehee
    Jan 23, 2025
  17. brian eiland

    Batteries and New Battery Technologies

    brian eiland, Mar 28, 2008 ... 80 81 82
    Replies:
    1,219
    Views:
    256,889
    philSweet
    Jan 23, 2025
  18. BMcF

    We've been working on this one since 2012

    BMcF, Jan 17, 2025
    Replies:
    9
    Views:
    1,992
    comfisherman
    Jan 20, 2025
  19. Motingator

    20+/- foot, trailerable, plywood/glass, cabin, outboard well...ideas?

    Motingator, Jan 17, 2025
    Replies:
    3
    Views:
    2,027
    Will Gilmore
    Jan 19, 2025
  20. ChallengeBoatworks

    How'd Chappelle take lines?

    ChallengeBoatworks, Jan 14, 2025 ... 2 3 4
    Replies:
    46
    Views:
    6,169
    DCockey
    Jan 17, 2025
  21. ToMeK

    Aluminium Boat Weight Estimation

    ToMeK, Jan 17, 2025
    Replies:
    1
    Views:
    1,680
    Barry
    Jan 17, 2025
  22. Richard Reed

    Easy way to reduce rolling on bilge-keeler?

    Richard Reed, Jan 9, 2025 ... 4 5 6
    Replies:
    85
    Views:
    11,459
    fallguy
    Jan 17, 2025
  23. REAPER NZ

    Help?

    REAPER NZ, Jan 14, 2025
    Replies:
    5
    Views:
    1,431
    gonzo
    Jan 16, 2025
  24. wroc

    Davit height (dinghy bottom height) above waterline

    wroc, Jan 13, 2025
    Replies:
    3
    Views:
    1,725
    jehardiman
    Jan 15, 2025
  25. montero
    Locked

    Solar thermal propulsion.

    montero, Jan 10, 2025 ... 2 3
    Replies:
    36
    Views:
    5,503
    Boat Design Net Moderator
    Jan 14, 2025
  26. Johan van Dijk

    concept for an electric launch

    Johan van Dijk, Jan 13, 2025
    Replies:
    7
    Views:
    2,208
    rangebowdrie
    Jan 14, 2025
  27. surfsem

    2.6m dingy hull extension, fiberglass rib boat

    surfsem, Jan 11, 2025
    Replies:
    3
    Views:
    1,613
    BlueBell
    Jan 14, 2025
  28. smilicus

    Scaling down a design to build a Mini / Micro Sailboat

    smilicus, Jan 12, 2025
    Replies:
    14
    Views:
    3,769
    seasquirt
    Jan 14, 2025
  29. Letitride

    Crowther Shockwave Design

    Letitride, Mar 1, 2024 ... 2
    Replies:
    16
    Views:
    4,380
    CT249
    Jan 9, 2025
  30. briancady413

    Once I rowed a dinghy with an interesting seat

    briancady413, Dec 3, 2011 ... 2
    Replies:
    15
    Views:
    6,012
    Skip Johnson
    Jan 9, 2025
  31. fallguy

    Self righting rc boat

    fallguy, Jan 5, 2025 ... 2
    Replies:
    18
    Views:
    3,948
    fallguy
    Jan 8, 2025
  32. brendan gardam

    protocols on copying someones work

    brendan gardam, Jul 23, 2020 ... 2
    Replies:
    17
    Views:
    4,513
    Skip Johnson
    Jan 8, 2025
  33. Squidly-Diddly

    someone else sorta using my saw bow concept

    Squidly-Diddly, Jan 6, 2025
    Replies:
    9
    Views:
    1,827
    Squidly-Diddly
    Jan 8, 2025
  34. Nick Wootton

    Swim.platfrom hydraulics

    Nick Wootton, Jan 4, 2025
    Replies:
    6
    Views:
    1,690
    comfisherman
    Jan 6, 2025
  35. green_mango

    Deck Wash System

    green_mango, Dec 20, 2024
    Replies:
    4
    Views:
    1,529
    green_mango
    Jan 5, 2025
  36. aliyagizz

    curing

    aliyagizz, Jan 3, 2025
    Replies:
    7
    Views:
    1,347
    fallguy
    Jan 5, 2025
  37. AxelVilhelm

    Reading, videos etc on displacement hull design theory

    AxelVilhelm, Jan 1, 2025
    Replies:
    6
    Views:
    2,098
    AxelVilhelm
    Jan 5, 2025
  38. DaveHWS

    Boden Boat Design Plans

    DaveHWS, Jan 2, 2025
    Replies:
    3
    Views:
    1,920
    Herreshock
    Jan 3, 2025
  39. akela
    Locked

    Beneteau 40.7 hull plans

    akela, Dec 30, 2024 ... 2
    Replies:
    22
    Views:
    4,011
    CT249
    Jan 2, 2025
  40. M134

    Looking for CAD model

    M134, Jan 1, 2025
    Replies:
    0
    Views:
    1,556
    M134
    Jan 1, 2025
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