Projects & Proposals

An open forum to generate ideas for collaborative design projects.

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  1. Duma Tau

    Windmill or Wind Turbine- powered boats: how many are out there, and are they viable?

    Duma Tau, Oct 9, 2006 ... 32 33 34
    Replies:
    504
    Views:
    260,607
    Gravio
    Feb 19, 2023
  2. D'ARTOIS

    The Ideal Cruiser - a long range passagemaker

    D'ARTOIS, Sep 9, 2005 ... 19 20 21
    Replies:
    306
    Views:
    180,281
    edik
    Jul 15, 2011
  3. garrybull

    new project

    garrybull, Sep 11, 2013 ... 24 25 26
    Replies:
    382
    Views:
    97,333
    JSL
    Jun 23, 2016
  4. Filmdaddy
    Locked

    Affordable, long-term liveaboard?

    Filmdaddy, Aug 4, 2005 ... 14 15 16
    Replies:
    235
    Views:
    89,006
    Squidly-Diddly
    Dec 14, 2019
  5. yipster

    another idea

    yipster, Jan 28, 2003 ... 10 11 12
    Replies:
    167
    Views:
    86,737
    ancient kayaker
    Jan 5, 2010
  6. DanishBagger

    Challenge: The 100$ boat!

    DanishBagger, Jun 13, 2006 ... 8 9 10
    Replies:
    139
    Views:
    78,264
    GIMike
    Jul 12, 2011
  7. Yobarnacle

    Collapsible Flettner Rotor Project

    Yobarnacle, Jun 4, 2014 ... 20 21 22
    Replies:
    325
    Views:
    76,595
    Yobarnacle
    Jun 2, 2020
  8. marshmat

    Trailer cruiser revisited... as a trimaran

    marshmat, Apr 21, 2009 ... 11 12 13
    Replies:
    187
    Views:
    61,744
    marshmat
    Feb 26, 2012
  9. yipster

    Some ideas

    yipster, Jan 11, 2003 ... 4 5 6
    Replies:
    81
    Views:
    59,726
    Wellydeckhand
    Feb 15, 2006
  10. archie1492

    Open Source 13-15m Catamaran Plans

    archie1492, Jan 3, 2018 ... 2
    Replies:
    21
    Views:
    55,565
    MikeJstam
    Jul 9, 2019
  11. garrybull

    fairey hunt 18

    garrybull, Feb 26, 2012 ... 9 10 11
    Replies:
    153
    Views:
    50,904
    garrybull
    May 2, 2019
  12. marshmat

    Playing around with a 10 m trailer cruiser

    marshmat, May 30, 2007 ... 9 10 11
    Replies:
    164
    Views:
    50,618
    Willallison
    May 14, 2009
  13. Frosty
    Locked

    PVC Exhaust

    Frosty, Nov 11, 2012 ... 19 20 21
    Replies:
    303
    Views:
    50,154
    michael pierzga
    Dec 9, 2012
  14. duluthboats

    The Raid Boat

    duluthboats, May 24, 2006 ... 4 5 6
    Replies:
    85
    Views:
    46,160
    DanishBagger
    Jun 13, 2008
  15. WindRaf

    around in pocket, I I think so

    WindRaf, Oct 2, 2014 ... 15 16 17
    Replies:
    240
    Views:
    43,953
    Manie B
    Sep 17, 2015
  16. sinmania

    Automated Initial Ship Design - pipeline: Excel, AutoCad, Rhinoceros, Maxsurf...

    sinmania, Sep 14, 2012 ... 2 3
    Replies:
    39
    Views:
    40,382
    sinmania
    Nov 25, 2016
  17. Bonaparte

    anchor "STORM" DIY

    Bonaparte, Jan 4, 2018 ... 6 7 8
    Replies:
    114
    Views:
    36,817
    max2035
    Aug 16, 2020
  18. napalmtheelf

    advice on Thai Longtail boat project

    napalmtheelf, Jul 20, 2006 ... 2 3 4
    Replies:
    49
    Views:
    36,470
    brian eiland
    Jan 28, 2013
  19. mjkkemper

    fiberglass radar arch

    mjkkemper, Mar 26, 2011 ... 2 3
    Replies:
    35
    Views:
    35,935
    mjkkemper
    Jan 28, 2014
  20. tom kane

    Airboat with Horizontal Fan

    tom kane, Nov 2, 2010 ... 5 6 7
    Replies:
    100
    Views:
    35,651
    tom kane
    Jan 4, 2012
  21. HaroldGhent

    Open Source F1/SST45 Tunnel Hull Design

    HaroldGhent, Jan 3, 2006
    Replies:
    12
    Views:
    35,049
    Franklins
    Aug 8, 2010
  22. av.7447
    Locked

    Inviting all Designers to take part in our watercraft project.

    av.7447, Aug 26, 2010 ... 4 5 6
    Replies:
    86
    Views:
    32,902
    Jeff
    Sep 17, 2010
  23. Stephen Ditmore

    Electric Launch Design optimized for semi-displacement speeds

    Stephen Ditmore, Jan 1, 2024 ... 12 13 14
    Replies:
    203
    Views:
    29,038
    TANSL
    May 27, 2025
  24. tom kane

    Impeller-less Water Jet propulsion

    tom kane, Dec 1, 2010 ... 2
    Replies:
    28
    Views:
    28,697
    tom kane
    Dec 16, 2010
  25. cothrang

    New efficient Hull for Yachts.

    cothrang, May 23, 2006 ... 2
    Replies:
    20
    Views:
    25,337
    mydauphin
    Jul 19, 2007
  26. rwatson

    Fast Build Scale Model

    rwatson, Dec 11, 2011 ... 3 4 5
    Replies:
    63
    Views:
    23,241
    rwatson
    Jun 26, 2015
  27. sideshow

    Gheenoe rebuild

    sideshow, Nov 15, 2012 ... 2 3 4
    Replies:
    46
    Views:
    22,757
    sideshow
    Oct 23, 2013
  28. bradkitcher

    Flat bottom planning hull speed

    bradkitcher, Mar 11, 2010 ... 2 3 4
    Replies:
    51
    Views:
    22,314
    capt littlelegs
    Jun 4, 2010
  29. MKP

    Hull modifications

    MKP, Jul 3, 2008 ... 2 3 4
    Replies:
    52
    Views:
    21,019
    DBM
    Oct 29, 2009
  30. tamkvaitis

    Why the aren't boat design comunity like open source programing? or is...?

    tamkvaitis, Dec 1, 2005 ... 4 5 6
    Replies:
    80
    Views:
    20,644
    7393452
    Dec 16, 2006
  31. kengt

    Solar boat

    kengt, Feb 2, 2012 ... 4 5 6
    Replies:
    82
    Views:
    19,517
    foilcats
    May 31, 2012
  32. sinmania

    Ship dictionary terminology

    sinmania, Jan 14, 2014 ... 2
    Replies:
    24
    Views:
    19,358
    sinmania
    Jun 15, 2014
  33. Tinklespout

    Perfect Panga Project

    Tinklespout, Nov 4, 2012 ... 2
    Replies:
    21
    Views:
    18,129
    Tinklespout
    Nov 11, 2012
  34. vanquishcc

    50' performance cruising sailcat

    vanquishcc, Aug 13, 2019 ... 3 4 5
    Replies:
    66
    Views:
    16,657
    yanivmass
    Nov 8, 2020
  35. tcarroll2

    Jet Ski towable dinghy

    tcarroll2, Aug 6, 2012
    Replies:
    5
    Views:
    16,405
    SpiritWolf15x
    Apr 28, 2013
  36. AmnonMikeCohen

    Advanced Manufacturing of Flying Boats

    AmnonMikeCohen, Feb 23, 2016 ... 4 5 6
    Replies:
    83
    Views:
    15,670
    myark
    Feb 29, 2016
  37. macspeedy

    My renovation project

    macspeedy, Apr 1, 2011 ... 2 3 4
    Replies:
    47
    Views:
    15,539
    joseph sigley
    Mar 24, 2012
  38. the brain

    Home made collar? 22' offshore aluminum vessel

    the brain, Jun 29, 2020
    Replies:
    14
    Views:
    14,862
    the brain
    Aug 23, 2020
  39. lucas12

    Building a 21' cruiser with inboard diesel and auto

    lucas12, Mar 23, 2006 ... 2 3
    Replies:
    41
    Views:
    14,581
    kobus
    Jan 9, 2009
  40. Steve W

    insurance salvage boats

    Steve W, Mar 30, 2012 ... 2
    Replies:
    28
    Views:
    14,567
    bntii
    Apr 3, 2012
Showing threads 1 to 40 of 449

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