Boat Design

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

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  1. Geno67

    Quick question - increasing the shear

    Geno67, Nov 7, 2023 ... 2 3
    Replies:
    32
    Views:
    1,968
    Geno67
    Nov 11, 2023
  2. PE_01

    29ft Fylbridge with narrow beam - add hull extension

    PE_01, Nov 6, 2023
    Replies:
    10
    Views:
    1,021
    kapnD
    Nov 9, 2023
  3. Noah Stone

    Questions about designing a dinghy mast

    Noah Stone, Oct 29, 2023 ... 2
    Replies:
    15
    Views:
    1,919
    wet feet
    Nov 7, 2023
  4. TSD Joshua

    60-seats passenger boats, want top speed of 50knots, any idea

    TSD Joshua, Oct 25, 2023 ... 2 3
    Replies:
    31
    Views:
    3,288
    TSD Joshua
    Nov 6, 2023
  5. Lloyd Le Blanc

    Rowing catamaran

    Lloyd Le Blanc, Nov 2, 2023 ... 2
    Replies:
    15
    Views:
    1,478
    kapnD
    Nov 5, 2023
  6. Jmarkley

    Hydraulic Propulsion

    Jmarkley, Aug 25, 2004 ... 2 3 4
    Replies:
    48
    Views:
    20,252
    brian eiland
    Nov 4, 2023
  7. Fisher Heverly

    Looking for designer and builder for glass bottom charter boat

    Fisher Heverly, Oct 19, 2023 ... 2
    Replies:
    22
    Views:
    2,348
    comfisherman
    Nov 3, 2023
  8. MadMarsupial

    CFD on rowing boat hulls

    MadMarsupial, Feb 1, 2023
    Replies:
    13
    Views:
    1,897
    BlueBell
    Nov 2, 2023
  9. altruistica

    I want to build a solar boat to live on and travel

    altruistica, Oct 17, 2023 ... 2
    Replies:
    16
    Views:
    2,351
    kerosene
    Nov 2, 2023
  10. Stephen Ditmore

    Heritage Class Offshore Patrol Cutter Argus launched

    Stephen Ditmore, Oct 29, 2023
    Replies:
    8
    Views:
    1,138
    Stephen Ditmore
    Nov 1, 2023
  11. Dieter51

    From flat-bottom boat to partial V-bottom boat

    Dieter51, Oct 17, 2023
    Replies:
    12
    Views:
    1,728
    Dieter51
    Oct 31, 2023
  12. GersonPerezbr

    Skiff is a good start for a small boat manufacturer?

    GersonPerezbr, Oct 27, 2023
    Replies:
    5
    Views:
    931
    kapnD
    Oct 28, 2023
  13. M4R1N

    I need advice for sailing dinghies

    M4R1N, Oct 6, 2023
    Replies:
    3
    Views:
    1,209
    M4R1N
    Oct 28, 2023
  14. PsiPhi

    Murray Isles / Chestnut Teal

    PsiPhi, Jul 7, 2009
    Replies:
    7
    Views:
    4,122
    germ879
    Oct 27, 2023
  15. Alfie

    Designing ballast keel for 1917 pilot cutter

    Alfie, Oct 17, 2023
    Replies:
    9
    Views:
    1,386
    BlueBell
    Oct 26, 2023
  16. Vineet

    Nahant dory lumber to plywood conversion

    Vineet, Oct 22, 2023 ... 2
    Replies:
    15
    Views:
    1,386
    DogCavalry
    Oct 26, 2023
  17. Velsia

    Optimum Propulsion Methods in Seaweed/Sargassum

    Velsia, Aug 31, 2023 ... 2 3
    Replies:
    34
    Views:
    3,635
    kapnD
    Oct 24, 2023
  18. Pete Smith

    Small electric powered catamaran for safety boat use?

    Pete Smith, Oct 21, 2023
    Replies:
    3
    Views:
    1,121
    Algie Bennett
    Oct 24, 2023
  19. Carlos Lara

    Modifying a Kayak for Sail

    Carlos Lara, Jul 22, 2023 ... 2 3
    Replies:
    39
    Views:
    4,919
    Carlos Lara
    Oct 22, 2023
  20. MotorCityBW

    Convert a JPG Boat Photo to CAD like drawing graphic

    MotorCityBW, Aug 16, 2023 ... 2
    Replies:
    19
    Views:
    2,586
    TANSL
    Oct 20, 2023
  21. Paolo DB

    Help Identifying a Boat

    Paolo DB, Oct 16, 2023
    Replies:
    7
    Views:
    857
    BlueBell
    Oct 17, 2023
  22. Bastien

    Navigating Through Keel Challenges: Seeking Wisdom on Sailboat Redesign

    Bastien, Oct 10, 2023 ... 2
    Replies:
    18
    Views:
    2,069
    SolGato
    Oct 17, 2023
  23. chrismcg

    Building a boatbuilding business

    chrismcg, Apr 2, 2022 ... 2 3 4
    Replies:
    47
    Views:
    6,540
    bajansailor
    Oct 16, 2023
  24. Bishiba

    Formula for percentage of old ships being empty space.

    Bishiba, Oct 14, 2023
    Replies:
    1
    Views:
    672
    gonzo
    Oct 14, 2023
  25. geoffkryten

    What is “deck roach?”

    geoffkryten, Oct 3, 2023
    Replies:
    6
    Views:
    1,396
    wet feet
    Oct 12, 2023
  26. paticus

    Stainless Steel Pontoons for Houseboat

    paticus, Sep 15, 2023 ... 2
    Replies:
    21
    Views:
    2,626
    paticus
    Oct 10, 2023
  27. Arton

    Uncoupled Heaving Motion|dynamics ship

    Arton, Oct 7, 2023
    Replies:
    4
    Views:
    906
    Arton
    Oct 8, 2023
  28. Arton

    Uncoupled Heaving Motion|Damping coefficient

    Arton, Oct 7, 2023
    Replies:
    0
    Views:
    558
    Arton
    Oct 7, 2023
  29. Teddy Cian

    Composite Construction Method/ Difficulty

    Teddy Cian, Oct 5, 2023
    Replies:
    10
    Views:
    1,277
    Rumars
    Oct 7, 2023
  30. mitchgrunes

    Would be hamster wheel ocean crosser arrested again

    mitchgrunes, Sep 6, 2023 ... 2
    Replies:
    16
    Views:
    1,963
    mitchgrunes
    Oct 6, 2023
  31. T X

    Energy requirements for robot lost at sea

    T X, Aug 28, 2023 ... 2 3 4
    Replies:
    46
    Views:
    4,573
    mitchgrunes
    Oct 6, 2023
  32. lobsterman

    Power Multihull catagory?

    lobsterman, Sep 11, 2023
    Replies:
    8
    Views:
    1,374
    brian eiland
    Oct 3, 2023
  33. Tom Fiddler

    My feathering paddle wheel pond boat

    Tom Fiddler, Sep 25, 2023 ... 2
    Replies:
    16
    Views:
    2,133
    Squidly-Diddly
    Oct 2, 2023
  34. kenfyoozed

    Sea Sled Design....Bay Sled

    kenfyoozed, Feb 18, 2021 ... 2 3 4
    Replies:
    48
    Views:
    7,696
    kenfyoozed
    Sep 29, 2023
  35. Dieter51

    Little flattieboat with twin skin sprit sail

    Dieter51, Aug 15, 2022 ... 2 3
    Replies:
    37
    Views:
    7,004
    Dieter51
    Sep 29, 2023
  36. brian eiland

    General Patton's Sailboat

    brian eiland, Aug 21, 2017
    Replies:
    4
    Views:
    2,984
    brian eiland
    Sep 28, 2023
  37. Jaymanutah

    Re-gelcoated entire hull. How to address burn (sand) -through areas?

    Jaymanutah, Sep 25, 2023
    Replies:
    3
    Views:
    760
    ondarvr
    Sep 28, 2023
  38. Lionellong

    Guidance required

    Lionellong, Sep 25, 2023
    Replies:
    5
    Views:
    787
    tiiidf
    Sep 27, 2023
  39. rael dobkins

    Far far, away from the sea... Lays a little shipyard....

    rael dobkins, Sep 25, 2023
    Replies:
    0
    Views:
    605
    rael dobkins
    Sep 25, 2023
  40. Jaymanutah

    Newby complete re-gelcoat of inner and outer hull. Questions:

    Jaymanutah, Aug 24, 2023
    Replies:
    4
    Views:
    1,209
    Jaymanutah
    Sep 25, 2023
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