Boat Design

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

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  1. tugboat
    Locked

    sub build underway christmas 2011

    tugboat, Jan 5, 2012 ... 17 18 19
    Replies:
    281
    Views:
    35,606
    Boat Design Net Moderator
    Jan 5, 2014
  2. dick stave

    Welded Aluminum Shallow Water Boat

    dick stave, Jan 2, 2005 ... 2
    Replies:
    15
    Views:
    35,592
    Corpus Skipper
    Mar 25, 2005
  3. FastLearner?

    Wood Choices for Cold Molding

    FastLearner?, Jul 16, 2006 ... 2 3
    Replies:
    37
    Views:
    35,591
    dskira
    Mar 29, 2010
  4. Equalitude

    Converting Bicylce to Pedal Boat

    Equalitude, Jan 2, 2009 ... 2
    Replies:
    29
    Views:
    35,541
    portacruise
    Mar 15, 2022
  5. Baldur

    long shaft transom height?

    Baldur, Jul 10, 2005
    Replies:
    5
    Views:
    35,434
    Baldur
    Jul 11, 2005
  6. ASM

    Cheap to run, cheap to build electro plywood cruiser ?

    ASM, May 8, 2008 ... 3 4 5
    Replies:
    72
    Views:
    35,429
    ASM
    Aug 8, 2008
  7. MarkX

    Pedal boat drives, talk about yours

    MarkX, Mar 27, 2010 ... 2
    Replies:
    23
    Views:
    35,405
    I57
    Apr 11, 2010
  8. Wellydeckhand

    A junk in the making? Can I make a 65ft circumnavigate vessel?

    Wellydeckhand, May 12, 2006 ... 7 8 9
    Replies:
    120
    Views:
    35,246
    Ari
    Jul 18, 2006
  9. ber1023

    boat designing help!! PLEASE!

    ber1023, May 29, 2008 ... 6 7 8
    Replies:
    106
    Views:
    35,227
    Boston
    Jan 31, 2009
  10. Sceptre

    BUILDING A PONTOON BOAT 16 ft need advice :)

    Sceptre, Apr 1, 2008
    Replies:
    7
    Views:
    35,173
    kach22i
    Apr 2, 2008
  11. damies

    PVC Sheet instead of plywood

    damies, Dec 8, 2009 ... 2
    Replies:
    15
    Views:
    35,155
    Typhoon
    Dec 13, 2009
  12. Silvertooth

    Micro liveabord cruiser

    Silvertooth, Nov 8, 2016 ... 8 9 10
    Replies:
    149
    Views:
    34,717
    Silvertooth
    Dec 1, 2018
  13. taxidermist_118

    20' flat bottom river jon.

    taxidermist_118, Jan 15, 2009
    Replies:
    13
    Views:
    34,696
    messabout
    Jun 15, 2012
  14. Hultis

    Skin material for skin on frame kayak

    Hultis, Aug 29, 2014 ... 2 3
    Replies:
    44
    Views:
    34,590
    rwatson
    Sep 11, 2014
  15. Canoemaker

    Hydrofoil assisted or full flying kayak

    Canoemaker, Dec 19, 2009 ... 2 3 4
    Replies:
    50
    Views:
    34,577
    svarteld
    Jul 28, 2021
  16. ericdalene

    A-Frame Mast

    ericdalene, Jan 16, 2009 ... 2 3
    Replies:
    31
    Views:
    34,572
    PAR
    Mar 27, 2016
  17. Jepley

    Customizing a Jon Boat

    Jepley, Oct 23, 2005
    Replies:
    4
    Views:
    34,523
    splitshot
    Nov 4, 2005
  18. tswheel

    Chinese Junk Home Built

    tswheel, Sep 12, 2006 ... 2
    Replies:
    29
    Views:
    34,322
    polaris
    Jan 26, 2010
  19. shaun971

    Barge plans

    shaun971, Nov 1, 2006
    Replies:
    13
    Views:
    34,294
    Pericles
    Mar 19, 2007
  20. kolosanka

    Islander - Seagoer

    kolosanka, May 6, 2010 ... 3 4 5
    Replies:
    67
    Views:
    34,286
    dlblandjr
    Dec 11, 2013
  21. KalleA

    Pedal Powered Boat for the Baltic Sea / Coastline

    KalleA, Apr 30, 2009 ... 2 3 4
    Replies:
    53
    Views:
    34,253
    spidennis
    May 31, 2009
  22. tugboat
    Locked

    ferro-cement submarine versus conventional concrete

    tugboat, Apr 20, 2010 ... 6 7 8
    Replies:
    119
    Views:
    34,198
    RHP
    Nov 29, 2010
  23. Squidly-Diddly

    anyone slapped an outboard or oars on Hobie 16 or similar cat?

    Squidly-Diddly, Oct 22, 2011 ... 2
    Replies:
    22
    Views:
    34,130
    upchurchmr
    Nov 3, 2011
  24. windboat
    Locked

    Build A Power Boat , Powered By Wind

    windboat, Jul 7, 2011 ... 12 13 14
    Replies:
    203
    Views:
    34,083
    Boat Design Net Moderator
    Jul 31, 2011
  25. fferhani

    Is the center of flotation in line vertically with the center of gravity?

    fferhani, Sep 12, 2010 ... 2
    Replies:
    15
    Views:
    33,985
    jehardiman
    Sep 14, 2010
  26. charliep

    Best Drop Keel Design

    charliep, Sep 19, 2011
    Replies:
    13
    Views:
    33,772
    michael pierzga
    Sep 22, 2011
  27. tranmkp

    Britton Chance - Portfolio

    tranmkp, Jan 8, 2008 ... 2 3
    Replies:
    37
    Views:
    33,689
    Chance 44
    Jan 3, 2018
  28. BillyDoc

    Wind vane self steering design

    BillyDoc, Dec 13, 2005 ... 3 4 5
    Replies:
    74
    Views:
    33,653
    BillyDoc
    Apr 19, 2009
  29. spartans_78

    What do you think - entering a Cardboard Boat Regatta unlimited class

    spartans_78, Mar 17, 2011 ... 2 3 4
    Replies:
    51
    Views:
    33,573
    PAR
    Jul 22, 2017
  30. Doug Lord

    Stand-up Paddleboard Design

    Doug Lord, Nov 7, 2011 ... 2 3
    Replies:
    43
    Views:
    33,572
    AlMack
    Apr 27, 2020
  31. messabout

    beautiful skeleton

    messabout, Apr 1, 2011 ... 4 5 6
    Replies:
    85
    Views:
    33,501
    Jeremy Harris
    Sep 27, 2011
  32. Wardong

    Plastic Drums and Eco Boats

    Wardong, Aug 23, 2015 ... 2
    Replies:
    26
    Views:
    33,444
    bajansailor
    Sep 18, 2016
  33. kycountry

    Small trailorable houseboat design help!

    kycountry, Jan 15, 2011 ... 2 3
    Replies:
    30
    Views:
    33,300
    rasorinc
    Jan 25, 2011
  34. glastront156

    Best handling small craft in rough water: V hull, Cat, Trimaran, Pantoon, PWC?

    glastront156, Feb 3, 2006
    Replies:
    14
    Views:
    33,253
    antonfourie
    Feb 8, 2006
  35. river runner

    Micro cruiser (sailboat).

    river runner, Oct 20, 2011 ... 2 3 4
    Replies:
    53
    Views:
    32,830
    rwatson
    Jun 27, 2012
  36. brian eiland

    New antifoul discovery - 100% effective AND green

    brian eiland, May 16, 2009 ... 7 8 9
    Replies:
    129
    Views:
    32,827
    brian eiland
    Jun 3, 2013
  37. packrat69

    personal submarine builders- AquaSub

    packrat69, Oct 31, 2004 ... 2 3
    Replies:
    33
    Views:
    32,737
    yotie
    Apr 24, 2014
  38. Eric Sponberg

    Pacific Rowboat

    Eric Sponberg, Oct 8, 2015 ... 9 10 11
    Replies:
    154
    Views:
    32,664
    Eric Sponberg
    Jun 24, 2019
  39. Seaspan

    fabricating your own aluminum gunnels?

    Seaspan, Apr 1, 2005 ... 2
    Replies:
    15
    Views:
    32,612
    Jack D Davis
    Apr 8, 2005
  40. westlawn5554X

    New radical boat kitchen?

    westlawn5554X, Aug 10, 2006 ... 4 5 6
    Replies:
    77
    Views:
    32,379
    westlawn5554X
    Sep 14, 2006
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