Boat Design

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

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  1. fano

    23 powercat plan

    fano, Jun 29, 2019 ... 2
    Replies:
    16
    Views:
    835
    fallguy
    Jun 6, 2020 at 9:42 AM
  2. rembrandt

    aluminium small jet boat concept

    rembrandt, Jun 4, 2020 at 7:36 PM
    Replies:
    11
    Views:
    194
    rembrandt
    Jun 6, 2020 at 8:02 AM
  3. Unik

    Lion 800 new plywood yacht

    Unik, Jul 22, 2016 ... 11 12 13
    Replies:
    190
    Views:
    29,507
    Unik
    Jun 6, 2020 at 6:15 AM
  4. Rich867

    Mosquito habitat

    Rich867, Jun 4, 2020 at 9:27 PM
    Replies:
    7
    Views:
    139
    Squidly-Diddly
    Jun 5, 2020 at 1:15 PM
  5. rael dobkins

    2nd episode Proa WHY NOT? refit done, b4 sea trials. Looking Good!

    rael dobkins, Jun 5, 2020 at 1:05 AM
    Replies:
    2
    Views:
    89
    clmanges
    Jun 5, 2020 at 11:46 AM
  6. IanH

    Sail Boat Plans 34 to 40 feet Round bilge

    IanH, Mar 21, 2019 ... 2
    Replies:
    17
    Views:
    1,217
    TANSL
    Jun 4, 2020 at 7:42 AM
  7. Mitch1990

    ABS Section Modulus Units

    Mitch1990, Jun 3, 2020 at 11:21 AM
    Replies:
    10
    Views:
    182
    Ad Hoc
    Jun 3, 2020 at 11:12 PM
  8. Mitch1990

    Scantling Moment of Inertia

    Mitch1990, Jun 3, 2020 at 5:34 PM
    Replies:
    13
    Views:
    174
    Mitch1990
    Jun 3, 2020 at 8:30 PM
  9. Squidly-Diddly

    USN/darpa plans "sea train" of linked unmanned boats.

    Squidly-Diddly, Jun 2, 2020 at 3:59 PM
    Replies:
    1
    Views:
    166
    upchurchmr
    Jun 2, 2020 at 9:30 PM
  10. mustafaumu sarac
    Locked

    Can windsurf cross aegean sea with island hopping

    mustafaumu sarac, May 30, 2020 ... 2
    Replies:
    23
    Views:
    488
    Boat Design Net Moderator
    Jun 2, 2020 at 6:05 PM
  11. Cacciatore

    Hull for power catamaran

    Cacciatore, Jun 1, 2020 at 1:06 PM
    Replies:
    9
    Views:
    246
    Dejay
    Jun 2, 2020 at 7:11 AM
  12. HCB66
    Redirect

    Fiberglass building insulation.

    HCB66, May 30, 2020 ... 2
    Replies:
    –
    Views:
    –
    N/A
  13. MJT

    How to seal/gasket this hatch cover?

    MJT, May 17, 2020 ... 2
    Replies:
    15
    Views:
    430
    MJT
    Jun 1, 2020 at 7:34 PM
  14. ggeorge

    First boat. Glued Lapstrake method

    ggeorge, May 21, 2020
    Replies:
    14
    Views:
    466
    wet feet
    Jun 1, 2020 at 3:48 PM
  15. Francis Mcmahon

    What the heck is this thing?

    Francis Mcmahon, May 31, 2020 at 1:43 PM
    Replies:
    5
    Views:
    216
    gonzo
    Jun 1, 2020 at 5:14 AM
  16. y. erhan

    What is your opinion about choosing marine plywood for this design?

    y. erhan, May 26, 2020
    Replies:
    6
    Views:
    401
    RAraujo
    May 31, 2020 at 8:37 PM
  17. Squidly-Diddly

    wave piercing bow topped with flared bow?

    Squidly-Diddly, May 24, 2020 ... 2
    Replies:
    21
    Views:
    784
    jehardiman
    May 30, 2020
  18. Mark O Hara

    Selling Self Build Plans Online – A Viable Business?

    Mark O Hara, May 27, 2020 ... 2
    Replies:
    29
    Views:
    781
    Alik
    May 30, 2020
  19. headtofoot

    swim up bar boat

    headtofoot, Jan 27, 2014 ... 2 3
    Replies:
    42
    Views:
    4,364
    clmanges
    May 29, 2020
  20. IanH

    Helm Position

    IanH, May 26, 2020
    Replies:
    4
    Views:
    240
    Will Gilmore
    May 28, 2020
  21. Len

    Buoyancy calculations

    Len, May 24, 2020 ... 2
    Replies:
    18
    Views:
    457
    Len
    May 26, 2020
  22. J 29 Guy

    J 34 we extended rudder

    J 29 Guy, May 22, 2020
    Replies:
    4
    Views:
    238
    Ilan Voyager
    May 26, 2020
  23. Darren1234

    Flat top barge

    Darren1234, May 25, 2020
    Replies:
    14
    Views:
    266
    Darren1234
    May 26, 2020
  24. alby joy

    7 M length 3.5 Breadth Round bottom without skeg & single OBM in the center line of vessel

    alby joy, Jan 17, 2020
    Replies:
    11
    Views:
    744
    Mr Efficiency
    May 26, 2020
  25. Ramming Speed

    Midland Skiffs

    Ramming Speed, Aug 1, 2011
    Replies:
    2
    Views:
    3,163
    BlueBell
    May 26, 2020
  26. Mobcat

    Adding a second story to a displacement cruiser trawler

    Mobcat, May 21, 2020 ... 2 3
    Replies:
    33
    Views:
    684
    Mobcat
    May 25, 2020
  27. Annode

    Flat plate bending in two planes

    Annode, Apr 26, 2020 ... 2
    Replies:
    21
    Views:
    728
    clmanges
    May 25, 2020
  28. thenewguy

    New to Boating World - Need Help With Floor Replacement

    thenewguy, May 13, 2020 ... 2
    Replies:
    21
    Views:
    538
    hoytedow
    May 25, 2020
  29. oceancowboy

    Draw up plans

    oceancowboy, May 16, 2020
    Replies:
    12
    Views:
    441
    Phil_B
    May 25, 2020
  30. HCB66

    Removing rear deck and continuing cabin to stern.

    HCB66, May 17, 2020
    Replies:
    14
    Views:
    347
    gonzo
    May 24, 2020
  31. somarine

    Tropical Wood Catamaran Boat

    somarine, May 16, 2020 ... 2 3
    Replies:
    38
    Views:
    942
    somarine
    May 24, 2020
  32. Laut

    Flat bottom skiff

    Laut, May 4, 2020
    Replies:
    8
    Views:
    478
    gonzo
    May 24, 2020
  33. Velsia

    What is this?

    Velsia, May 19, 2020
    Replies:
    5
    Views:
    361
    kapnD
    May 22, 2020
  34. Michael Robert

    Wide Viking Boat

    Michael Robert, May 14, 2020 ... 2
    Replies:
    16
    Views:
    677
    Waterwitch
    May 20, 2020
  35. Alexander Peter Bromley

    22' Planing Catamaran Design

    Alexander Peter Bromley, May 15, 2020 ... 2 3
    Replies:
    31
    Views:
    1,138
    Alexander Peter Bromley
    May 19, 2020
  36. Turbopleb

    10 foot jon material thickness (Plywood+Fiberglass)

    Turbopleb, May 17, 2020 ... 2
    Replies:
    15
    Views:
    485
    kapnD
    May 18, 2020
  37. omersagiroglu

    My Starcraft Aluminium

    omersagiroglu, Apr 30, 2020 ... 2
    Replies:
    19
    Views:
    704
    Ad Hoc
    May 18, 2020
  38. Randall Brower

    Advice on Raft/barge/ferry from lumberyard material for occasional 6 mile trip

    Randall Brower, Apr 27, 2020 ... 9 10 11
    Replies:
    164
    Views:
    3,174
    SamSam
    May 18, 2020
  39. Alik

    Structural design - some brief on approaches

    Alik, May 10, 2020 ... 4 5 6
    Replies:
    84
    Views:
    1,886
    Alik
    May 17, 2020
  40. Yobarnacle

    Gravy Boat, Custom Albin 25

    Yobarnacle, Feb 5, 2016 ... 24 25 26
    Replies:
    389
    Views:
    39,445
    hoytedow
    May 17, 2020
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