Boat Design

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

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  1. gruntled

    jon boat - effect of taller sides?

    gruntled, Jun 27, 2020
    Replies:
    6
    Views:
    6,003
    Mr Efficiency
    Jun 29, 2020
  2. ChuckP

    Houseboat Holding Tank Vent

    ChuckP, Jun 23, 2020
    Replies:
    8
    Views:
    1,881
    fallguy
    Jun 30, 2020
  3. Manateeman

    Mizzenmast spreaders

    Manateeman, Jun 30, 2020
    Replies:
    4
    Views:
    1,827
    Manateeman
    Jul 1, 2020
  4. bateaudemoi

    Hull Construction/Scatling Rules for Multihull Aluminum

    bateaudemoi, Jun 30, 2020 ... 2
    Replies:
    16
    Views:
    3,916
    gonzo
    Jul 1, 2020
  5. Serge VadVad

    Simplest Pocket-size DIY Boat Ever

    Serge VadVad, Jun 15, 2020
    Replies:
    9
    Views:
    3,270
    Pericles
    Jul 2, 2020
  6. Squidly-Diddly

    is this UFO propulsion stuff legit? Patent assignee is US Navy and inventor from....

    Squidly-Diddly, Jul 1, 2020 ... 2
    Replies:
    23
    Views:
    4,800
    Squidly-Diddly
    Jul 3, 2020
  7. jacob1234

    Long keel small sailing dinghy?

    jacob1234, Jan 24, 2020 ... 2
    Replies:
    16
    Views:
    5,982
    jacob1234
    Jul 3, 2020
  8. brian eiland

    Hounds, Cheek Blocks, etc

    brian eiland, Jun 28, 2020
    Replies:
    8
    Views:
    2,982
    brian eiland
    Jul 3, 2020
  9. Sectumz

    Lead recommendation of small sailing canoe

    Sectumz, Jun 30, 2020
    Replies:
    8
    Views:
    2,159
    Sectumz
    Jul 3, 2020
  10. Ernie Pantuso

    How crazy is this design?

    Ernie Pantuso, Jul 3, 2020
    Replies:
    8
    Views:
    1,942
    BlueBell
    Jul 4, 2020
  11. Michael Gray

    How to estimate waterline change with bracketed outboards?

    Michael Gray, Jul 9, 2020
    Replies:
    2
    Views:
    1,632
    Mr Efficiency
    Jul 9, 2020
  12. kayaker50

    Forward facing rowing system feedback?

    kayaker50, Dec 12, 2009 ... 2 3
    Replies:
    42
    Views:
    21,740
    larson6011
    Jul 9, 2020
  13. HCB66

    Advice on installing mast steps?

    HCB66, Jul 6, 2020
    Replies:
    7
    Views:
    2,147
    messabout
    Jul 10, 2020
  14. brian eiland

    Weekender/Picnic Vessel, Power and/or Sailing Catamaran

    brian eiland, Jul 16, 2010 ... 3 4 5
    Replies:
    67
    Views:
    43,068
    brian eiland
    Jul 10, 2020
  15. Murky Deep

    Designing small utility/work boat-skiff rocker question

    Murky Deep, Jun 8, 2020
    Replies:
    9
    Views:
    4,717
    messabout
    Jul 11, 2020
  16. OZMY

    Goodbye Aluminium Welcome Ply boat.

    OZMY, Jul 11, 2020
    Replies:
    5
    Views:
    3,396
    hoytedow
    Jul 11, 2020
  17. Canuker

    Stripped Down Simplistic Wakeboard Boat

    Canuker, Jul 4, 2020
    Replies:
    6
    Views:
    3,917
    Ike
    Jul 11, 2020
  18. Brother Bill

    Hull extension..now outboard ventilation issues.

    Brother Bill, Jun 27, 2020 ... 2
    Replies:
    28
    Views:
    5,606
    brendan gardam
    Jul 12, 2020
  19. David L. Dodd II

    Would I draw a boat just because I saw a model with a beautiful transom?

    David L. Dodd II, Jul 7, 2020
    Replies:
    14
    Views:
    2,992
    A II
    Jul 12, 2020
  20. Squidly-Diddly

    who makes these ultra-light trailers/wheels and are they highway legal?

    Squidly-Diddly, Jul 6, 2020 ... 3 4 5
    Replies:
    64
    Views:
    6,440
    Rurudyne
    Jul 14, 2020
  21. BigYeet

    International Moth Design

    BigYeet, Feb 20, 2020 ... 2
    Replies:
    16
    Views:
    6,965
    James Tomlinson
    Jul 15, 2020
  22. thenavalarch

    Article: Designing the lashings of deck cargo using IMO CSS (TheNavalArch)

    thenavalarch, Jul 17, 2020
    Replies:
    0
    Views:
    1,208
    thenavalarch
    Jul 17, 2020
  23. saeedfa

    Simply support and fixed end support

    saeedfa, Jul 16, 2020
    Replies:
    5
    Views:
    1,128
    TANSL
    Jul 17, 2020
  24. Michael Hyder

    Fiber Glass Pontoon construction technique - Joining sections

    Michael Hyder, Jun 30, 2020 ... 2 3
    Replies:
    40
    Views:
    5,019
    gonzo
    Jul 18, 2020
  25. Surfer Naval Architect

    Clipper cargo/cruise sailing boat

    Surfer Naval Architect, Apr 19, 2020 ... 2 3
    Replies:
    30
    Views:
    4,366
    gonzo
    Jul 19, 2020
  26. saeedfa

    Bulkhead design

    saeedfa, Jul 15, 2020 ... 2
    Replies:
    26
    Views:
    2,568
    TANSL
    Jul 20, 2020
  27. David L. Dodd II

    New design for a very old type of boat

    David L. Dodd II, Jun 28, 2020 ... 2
    Replies:
    24
    Views:
    7,428
    A II
    Jul 20, 2020
  28. saeedfa

    Ice region vessel design

    saeedfa, Jul 15, 2020 ... 2
    Replies:
    15
    Views:
    2,093
    TANSL
    Jul 20, 2020
  29. Brentmctigue

    16' Semi displacement electric cat

    Brentmctigue, Jun 21, 2020 ... 2 3 4
    Replies:
    45
    Views:
    5,965
    Rurudyne
    Jul 21, 2020
  30. thenavalarch

    Article: Calculating the catenary and sag of a towline

    thenavalarch, Jul 21, 2020
    Replies:
    0
    Views:
    1,570
    thenavalarch
    Jul 21, 2020
  31. Squidly-Diddly

    SpaceX using Oil Rig Support boats to catch using aerial nets.

    Squidly-Diddly, Jul 21, 2020
    Replies:
    3
    Views:
    1,321
    Will Gilmore
    Jul 22, 2020
  32. David L. Dodd II

    Last night I was seized by an idea. This is that idea. Thoughts?

    David L. Dodd II, Jun 21, 2020
    Replies:
    9
    Views:
    2,150
    ziper1221
    Jul 23, 2020
  33. SolomonGrundy

    Problem with Documented vessel and Campbell Yachts

    SolomonGrundy, Feb 9, 2019 ... 2 3
    Replies:
    35
    Views:
    5,503
    Ike
    Jul 23, 2020
  34. rbkepler

    Stitch & Glue design from round bilge boat design.

    rbkepler, Jul 25, 2020
    Replies:
    7
    Views:
    2,154
    bajansailor
    Jul 26, 2020
  35. Mobcat

    Adding a second story to a displacement cruiser trawler

    Mobcat, May 21, 2020 ... 2 3
    Replies:
    39
    Views:
    5,577
    JSL
    Jul 27, 2020
  36. Heynow999

    Jon boat design and materal help

    Heynow999, Jun 23, 2020
    Replies:
    6
    Views:
    2,469
    Heynow999
    Jul 27, 2020
  37. brendan gardam

    protocols on copying someones work

    brendan gardam, Jul 23, 2020 ... 2
    Replies:
    15
    Views:
    2,327
    Barry
    Jul 28, 2020
  38. Ghost Boy

    Hydrostatic Curve

    Ghost Boy, Jul 28, 2020
    Replies:
    6
    Views:
    1,948
    fredrosse
    Jul 29, 2020
  39. Laut

    Flat bottom skiff

    Laut, May 4, 2020
    Replies:
    10
    Views:
    4,834
    Laut
    Jul 29, 2020
  40. ryanonthebeach

    Catamaran Hull Modification Question... bow change

    ryanonthebeach, Jun 5, 2016
    Replies:
    12
    Views:
    5,865
    EL_LEQUE
    Jul 29, 2020
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