Boat Design

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

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  1. John Riddle

    What's your favorite fixed-keel daysailer 27' - 34'

    John Riddle, Sep 1, 2010
    Replies:
    5
    Views:
    3,679
    John Riddle
    Sep 2, 2010
  2. heseltib

    What's with the garish colours on power cats?

    heseltib, Dec 3, 2008
    Replies:
    4
    Views:
    1,786
    jehardiman
    Dec 3, 2008
  3. juiceclark

    What's with the axe bow?

    juiceclark, Jul 7, 2008
    Replies:
    10
    Views:
    10,058
    the1much
    Jul 8, 2008
  4. Squidly-Diddly

    what's up with these 'inverted' strakes on Tarpon 160 SOT kayak?

    Squidly-Diddly, Sep 18, 2013
    Replies:
    3
    Views:
    1,692
    ancient kayaker
    Sep 18, 2013
  5. hyboats

    what's this used for ?

    hyboats, Sep 1, 2015
    Replies:
    2
    Views:
    1,154
    boatenthusiast
    Sep 1, 2015
  6. raventown

    What's the two ship design spiral other than Evans design spiral

    raventown, Nov 7, 2012
    Replies:
    0
    Views:
    1,652
    raventown
    Nov 7, 2012
  7. Laranjo123

    What's the relation of Fr to S/L?

    Laranjo123, Sep 21, 2011
    Replies:
    12
    Views:
    1,473
    Laranjo123
    Sep 24, 2011
  8. FantasyTrimaran

    What's the biggest mast that a home/backyard builder could make?

    FantasyTrimaran, Jan 4, 2020
    Replies:
    8
    Views:
    908
    BlueBell
    Jan 6, 2020
  9. Seagem

    What's the best shape for a fast & efficient catamaran hull?...

    Seagem, Jan 21, 2009 ... 2
    Replies:
    23
    Views:
    51,224
    robint777
    Jul 14, 2013
  10. Earl Boebert

    What's the "Welch Axis?"

    Earl Boebert, Jan 20, 2006
    Replies:
    5
    Views:
    2,891
    messabout
    May 7, 2007
  11. Justaguy

    What's that thingy?

    Justaguy, Dec 29, 2015 ... 2
    Replies:
    18
    Views:
    2,368
    Robjl
    Dec 31, 2015
  12. Southern Cross

    What's Next

    Southern Cross, Mar 21, 2013 ... 2
    Replies:
    19
    Views:
    2,777
    ancient kayaker
    Apr 11, 2013
  13. kalvens

    what's name of this construction？

    kalvens, Jul 30, 2013
    Replies:
    7
    Views:
    3,873
    kalvens
    Aug 6, 2013
  14. dionysis

    What's a mast good for?

    dionysis, Mar 18, 2005
    Replies:
    7
    Views:
    3,030
    dionysis
    Mar 22, 2005
  15. joco

    what you guys think about this new pedal boat?

    joco, Feb 13, 2012
    Replies:
    6
    Views:
    3,126
    joco
    Jul 22, 2012
  16. joco

    what you guys think about this eltrc kayak.?

    joco, Aug 27, 2010
    Replies:
    11
    Views:
    1,501
    Squidly-Diddly
    Aug 31, 2010
  17. Maddi56

    What Yacht Owners are Looking For in a YachL

    Maddi56, Sep 28, 2009
    Replies:
    14
    Views:
    1,605
    apex1
    Oct 1, 2009
  18. Albert Jr.

    What would you want in a 19 ft cc

    Albert Jr., Mar 27, 2013 ... 2 3
    Replies:
    34
    Views:
    4,345
    Albert Jr.
    Mar 29, 2013
  19. Ash.D

    What would you like to see on a 40 ft day cruiser?

    Ash.D, Feb 3, 2009 ... 2 3 4
    Replies:
    58
    Views:
    10,316
    apex1
    Feb 14, 2009
  20. Krauthammer

    What would Blondie Hassler design today?

    Krauthammer, Sep 27, 2012 ... 2
    Replies:
    18
    Views:
    4,781
    Krauthammer
    Feb 1, 2014
  21. Volksliner

    What will the differential do whilst charging down the river

    Volksliner, Jan 8, 2005
    Replies:
    1
    Views:
    2,416
    Volksliner
    Jan 8, 2005
  22. YXY

    What type of tests available/viable?

    YXY, Oct 23, 2013
    Replies:
    12
    Views:
    1,378
    Ad Hoc
    Oct 24, 2013
  23. Tropical Sailor

    What type of design or hull form is this? Please see fotos.

    Tropical Sailor, Sep 30, 2013 ... 2
    Replies:
    20
    Views:
    6,135
    michael pierzga
    Oct 13, 2013
  24. tylercully

    What type of boat is this??

    tylercully, Feb 1, 2013
    Replies:
    4
    Views:
    1,495
    tylercully
    Feb 2, 2013
  25. GhostlySailor

    What type of boat is this? Shrimp Boat??

    GhostlySailor, Feb 18, 2019
    Replies:
    12
    Views:
    1,820
    Will Gilmore
    Feb 19, 2019
  26. gezzer

    what type of boat is this?

    gezzer, Apr 18, 2005
    Replies:
    7
    Views:
    2,628
    lewisboats
    Apr 20, 2005
  27. nqb12179

    What type of 4-8 metre hull for speed around 30-35 knots in calm water?

    nqb12179, Mar 14, 2014 ... 2 3
    Replies:
    35
    Views:
    4,528
    raffshore
    Mar 22, 2014
  28. Matt Thompson

    What type frame tubing for skin on frame 16 foot dinghy? Wood, carbon or fibreglass?

    Matt Thompson, Sep 13, 2017
    Replies:
    6
    Views:
    1,874
    Matt Thompson
    Sep 15, 2017
  29. dlpanadero

    What to use to bond deck to stringers? Plexus?

    dlpanadero, Feb 5, 2017
    Replies:
    4
    Views:
    2,812
    jorgepease
    Feb 13, 2017
  30. 1gerry

    What to look for when designing a fast sailing dinghy

    1gerry, Jul 27, 2013 ... 2
    Replies:
    16
    Views:
    13,994
    1gerry
    Jul 31, 2013
  31. cthippo

    What to look for in a hull for conversion

    cthippo, Mar 20, 2021
    Replies:
    2
    Views:
    401
    cthippo
    Mar 20, 2021
  32. Gid

    What to look for in a boat company

    Gid, Sep 14, 2015 ... 2
    Replies:
    18
    Views:
    2,338
    BKay
    Sep 18, 2015
  33. breschau

    what to do with this? (a small, nimble paddling boat)

    breschau, Nov 30, 2010
    Replies:
    11
    Views:
    1,544
    breschau
    Dec 4, 2010
  34. whitepointer23

    what to do with the deck.

    whitepointer23, Dec 30, 2014 ... 19 20 21
    Replies:
    300
    Views:
    31,972
    whitepointer23
    Jan 10, 2016
  35. Recycled

    what to do with an old Windsurf

    Recycled, Mar 7, 2012 ... 2
    Replies:
    21
    Views:
    8,169
    Recycled
    Mar 29, 2012
  36. smithers1o1

    What To Choose

    smithers1o1, Aug 19, 2007 ... 2
    Replies:
    16
    Views:
    3,120
    Gilbert
    Aug 25, 2007
  37. Elias_Fleishman

    What to build?

    Elias_Fleishman, Feb 6, 2011 ... 2 3
    Replies:
    38
    Views:
    5,320
    Elias_Fleishman
    Feb 25, 2011
  38. Squidly-Diddly

    what the world needs is a cheap rugged flying boat(Super Osprey?)

    Squidly-Diddly, Nov 3, 2010
    Replies:
    8
    Views:
    3,556
    Easy Rider
    Nov 3, 2010
  39. GhostlySailor

    What the heck is this?

    GhostlySailor, Apr 4, 2019
    Replies:
    5
    Views:
    664
    GhostlySailor
    Apr 4, 2019
  40. Sean Herron

    What The Heck Is This...

    Sean Herron, Mar 31, 2008
    Replies:
    2
    Views:
    1,783
    Sean Herron
    Mar 31, 2008
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Page 13 of 348