Boat Design

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

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  1. Keith King

    Recycled Plastic/Plastic Lumber Hulls for Pleasure Boats?

    Keith King, Jul 8, 2004
    Replies:
    8
    Views:
    12,835
    decay21450
    Sep 29, 2004
  2. mike1

    Recreational light whitehall rowboat

    mike1, Jun 9, 2004
    Replies:
    9
    Views:
    12,854
    Easy Rider
    Sep 22, 2010
  3. Willallison

    Pop-Up Cleats

    Willallison, Jan 3, 2008 ... 2
    Replies:
    23
    Views:
    12,880
    charmc
    Jan 24, 2008
  4. mustafaumut

    60000 psi Nanopowder Concrete / Regular Concrete was 5000 psi

    mustafaumut, Aug 18, 2015 ... 2 3
    Replies:
    31
    Views:
    12,881
    Manfred.pech
    Sep 19, 2015
  5. hhhhar

    Electric Speed Boat

    hhhhar, Apr 29, 2013 ... 2
    Replies:
    23
    Views:
    12,888
    DCockey
    Apr 30, 2013
  6. Guest

    Water Ballast

    Guest, Aug 8, 2003 ... 2
    Replies:
    17
    Views:
    12,890
    shu
    Sep 30, 2003
  7. Pammie

    watertight bulkhead

    Pammie, May 28, 2018 ... 7 8 9
    Replies:
    123
    Views:
    12,890
    Pammie
    Jul 27, 2018
  8. Murdock

    Opinions on this newbie amateur daysailer

    Murdock, Oct 20, 2006 ... 2 3
    Replies:
    39
    Views:
    12,894
    wet feet
    Dec 4, 2006
  9. Tom Triglav

    twin keel design

    Tom Triglav, Aug 9, 2003
    Replies:
    12
    Views:
    12,895
    brian eiland
    Sep 28, 2005
  10. Two Bob Peter

    Aluminium 55' fast cruising trimaran

    Two Bob Peter, Jul 8, 2017
    Replies:
    13
    Views:
    12,896
    MiMc
    Aug 12, 2023
  11. jedkins

    condensation in sealed "water tight" hulls

    jedkins, Dec 29, 2006 ... 2 3 4
    Replies:
    45
    Views:
    12,897
    ancient kayaker
    Jan 10, 2007
  12. BadGoblin

    Small Cathedral Hull Boat. Ideas for designs.

    BadGoblin, May 3, 2010 ... 2
    Replies:
    23
    Views:
    12,903
    BadGoblin
    Aug 3, 2010
  13. TobaccoFarmer91

    Need help with 23' pontoon boat design

    TobaccoFarmer91, Aug 24, 2011
    Replies:
    13
    Views:
    12,910
    Chase_B
    Aug 29, 2011
  14. capt55

    Flanking Rudders

    capt55, Jul 8, 2012
    Replies:
    4
    Views:
    12,914
    johneck
    Jul 9, 2012
  15. frank smith

    Small quay punt lines.

    frank smith, Feb 14, 2014 ... 2 3 4
    Replies:
    45
    Views:
    12,918
    frank smith
    Mar 18, 2014
  16. Bullshipper

    Outboard Transom Angles??

    Bullshipper, Jun 8, 2008
    Replies:
    3
    Views:
    12,930
    Bullshipper
    Jun 9, 2008
  17. Willallison

    Ground effect

    Willallison, Jan 15, 2003 ... 2
    Replies:
    15
    Views:
    12,934
    Mike D
    Feb 8, 2003
  18. dazzlebean

    fast human powered paddlewheel?

    dazzlebean, Jan 30, 2013 ... 2
    Replies:
    28
    Views:
    12,945
    spidennis
    Feb 18, 2013
  19. Ingolf

    Center Console Hull Design

    Ingolf, Nov 20, 2012 ... 2
    Replies:
    15
    Views:
    12,962
    michael pierzga
    Nov 25, 2012
  20. bigdawg10132009

    Foam cored stringers?

    bigdawg10132009, Jul 28, 2009
    Replies:
    7
    Views:
    12,963
    Commuter Boats
    Jul 31, 2009
  21. discovery

    Changing a full Keel on my boat

    discovery, Aug 25, 2013 ... 3 4 5
    Replies:
    64
    Views:
    12,967
    discovery
    Apr 27, 2015
  22. Saqa

    Displacement powercat single 40hp

    Saqa, Oct 8, 2014 ... 4 5 6
    Replies:
    75
    Views:
    12,971
    Doug Lord
    Dec 2, 2014
  23. VladZenin

    You can do it in a better way ( MirageDrive )

    VladZenin, Aug 12, 2006
    Replies:
    12
    Views:
    12,997
    SaltOntheBrain
    Apr 7, 2015
  24. member 35765

    Hull length and 'hull speed'

    member 35765, Feb 26, 2010
    Replies:
    6
    Views:
    13,008
    Eric Sponberg
    Feb 28, 2010
  25. killerd

    Convert Travel Trailer to Houseboat

    killerd, Jun 14, 2004
    Replies:
    8
    Views:
    13,011
    PAR
    Jun 24, 2004
  26. Sean Herron

    Who Did The Peep Hen

    Sean Herron, Feb 25, 2008 ... 2
    Replies:
    19
    Views:
    13,019
    Sean Herron
    Mar 8, 2008
  27. Prismatic

    My Small Bluewater Trimaran

    Prismatic, Jan 26, 2014 ... 4 5 6
    Replies:
    75
    Views:
    13,024
    rwatson
    Feb 1, 2014
  28. martinf

    putting a log loader on a barge

    martinf, Jul 22, 2009 ... 2 3 4
    Replies:
    46
    Views:
    13,036
    Ad Hoc
    Oct 29, 2009
  29. mecmec

    Sectional Area Curve?

    mecmec, Aug 17, 2012 ... 2
    Replies:
    17
    Views:
    13,045
    edoardodelbino
    May 22, 2013
  30. Ravencry

    Amazon river, Loadum up

    Ravencry, Mar 16, 2009 ... 4 5 6
    Replies:
    89
    Views:
    13,046
    ecflyer
    Apr 7, 2009
  31. cpodest

    Lug Sail design for a beginner

    cpodest, Aug 1, 2014
    Replies:
    14
    Views:
    13,050
    Milehog
    Aug 8, 2014
  32. milen

    Plan for Cigarette-type powerboat

    milen, Apr 27, 2008
    Replies:
    4
    Views:
    13,051
    milen
    May 2, 2008
  33. jgdyer

    Hull extension planning - HELP!

    jgdyer, Jul 18, 2006
    Replies:
    0
    Views:
    13,053
    jgdyer
    Jul 18, 2006
  34. Wynand N

    My first vacuum resin infusion attempt...

    Wynand N, Nov 21, 2008
    Replies:
    7
    Views:
    13,059
    Steam Flyer
    Nov 23, 2008
  35. Oarsman

    Coastal Rowing Boat Design

    Oarsman, Jul 17, 2006
    Replies:
    4
    Views:
    13,060
    skyl4rk
    Sep 9, 2006
  36. abashar

    Naval Architect job informtion is needed

    abashar, Dec 13, 2004
    Replies:
    3
    Views:
    13,066
    Smath83
    Apr 7, 2008
  37. Larry Houghton

    Robber 3e design quarter tonner

    Larry Houghton, Dec 23, 2006
    Replies:
    11
    Views:
    13,078
    HakimKlunker
    May 7, 2011
  38. sailordave

    Center Console Plans... Suggestions?

    sailordave, Oct 7, 2013
    Replies:
    5
    Views:
    13,081
    PAR
    Mar 28, 2014
  39. tugboat

    need help with plans

    tugboat, Apr 12, 2006 ... 5 6 7
    Replies:
    92
    Views:
    13,092
    tugboat
    Nov 5, 2010
  40. yago

    new free design & building project: YAGO 31' steel origami yawl

    yago, Aug 17, 2004
    Replies:
    1
    Views:
    13,098
    sharpii2
    Aug 21, 2004
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