Multihulls

Discuss multi-hull sailboat design, production and custom sailing catamarans and trimarans.

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  1. oldmulti

    Multihull Structure Thoughts

    oldmulti, May 27, 2019 ... 300 301 302
    Replies:
    4,527
    Views:
    1,303,010
    oldmulti
    Jul 1, 2025 at 12:41 AM
  2. Doug Lord

    High Performance MPX Foil/Self-righting Trimaran-The Test Model

    Doug Lord, Dec 28, 2010 ... 198 199 200
    Replies:
    2,991
    Views:
    808,374
    Nicholas cravey
    Jan 18, 2023
  3. oldsailor7

    Buccaneer 24 Builders Forum

    oldsailor7, Jul 22, 2009 ... 193 194 195
    Replies:
    2,923
    Views:
    727,579
    buzzman
    Oct 7, 2024
  4. Doug Lord

    34th America's Cup: multihulls!

    Doug Lord, Sep 13, 2010 ... 270 271 272
    Replies:
    4,073
    Views:
    709,577
    Doug Lord
    Sep 24, 2015
  5. Gary Baigent

    Historical multihulls

    Gary Baigent, Feb 26, 2012 ... 89 90 91
    Replies:
    1,355
    Views:
    470,479
    John G 830J
    Oct 14, 2022
  6. Doug Lord

    Small trimarans under 20'

    Doug Lord, Jun 24, 2012 ... 74 75 76
    Replies:
    1,128
    Views:
    374,112
    Tiny Turnip
    Jan 9, 2021
  7. Gary Baigent

    Alternative to marvelous Buccaneer 24

    Gary Baigent, Apr 18, 2010 ... 65 66 67
    Replies:
    995
    Views:
    307,814
    warwick
    Jun 25, 2015
  8. Samnz

    Buccaneer 24 Trimaran

    Samnz, Dec 1, 2008 ... 37 38 39
    Replies:
    582
    Views:
    230,509
    freddyj
    Feb 20, 2020
  9. Doug Lord

    Fastest Sailboat on the Planet!

    Doug Lord, Jan 22, 2007 ... 52 53 54
    Replies:
    806
    Views:
    188,304
    Corley
    Feb 23, 2012
  10. oldsailor7

    Buccaneer 28 Trimaran plans.

    oldsailor7, Apr 17, 2010 ... 32 33 34
    Replies:
    501
    Views:
    180,833
    Trisailor
    Apr 15, 2017
  11. SteveW
    Locked

    Low price Catamarans

    SteveW, Mar 8, 2008 ... 33 34 35
    Replies:
    519
    Views:
    169,984
    Admin
    Feb 17, 2009
  12. Doug Lord

    35th Americas Cup: Foiling Multihulls!

    Doug Lord, Sep 26, 2013 ... 56 57 58
    Replies:
    857
    Views:
    167,763
    Doug Lord
    Sep 14, 2017
  13. oldsailor7

    Hedley Nicol Trimaran Plans

    oldsailor7, Mar 12, 2010 ... 31 32 33
    Replies:
    480
    Views:
    155,890
    cavalier mk2
    Apr 4, 2022
  14. peterchech

    CSC 30 Catamaran- the coastal passage

    peterchech, Nov 29, 2011 ... 27 28 29
    Replies:
    425
    Views:
    151,653
    Dorydude
    Apr 6, 2021
  15. Alex.A

    Minimum cruising cat-size & cost

    Alex.A, Feb 24, 2010 ... 22 23 24
    Replies:
    350
    Views:
    134,070
    marshmat
    Jul 19, 2010
  16. waynemarlow

    22 - 24 trimaran

    waynemarlow, Jul 22, 2008 ... 15 16 17
    Replies:
    251
    Views:
    132,642
    W17 designer
    Sep 24, 2020
  17. Doug Lord

    Planing Trimarans

    Doug Lord, Sep 30, 2006 ... 28 29 30
    Replies:
    438
    Views:
    127,734
    Gary Baigent
    Jun 30, 2016
  18. jorgepease

    CNC Plans not Included

    jorgepease, Sep 19, 2016 ... 64 65 66
    Replies:
    982
    Views:
    121,993
    Doug Lord
    Apr 8, 2018
  19. Jerry_Lincoln

    Norman Cross Trimaran

    Jerry_Lincoln, Mar 26, 2005 ... 6 7 8
    Replies:
    114
    Views:
    119,223
    Briter
    Apr 6, 2022
  20. Delane

    Hobie/J24 Trimaran Conversion

    Delane, Apr 17, 2005 ... 9 10 11
    Replies:
    157
    Views:
    109,083
    Moggy
    Feb 12, 2014
  21. Gary Baigent

    6.5 to 7.5 metre performance/cruise multihulls

    Gary Baigent, Feb 27, 2015 ... 25 26 27
    Replies:
    403
    Views:
    108,859
    Gary Baigent
    Jul 19, 2019
  22. ImaginaryNumber

    Modular Cruising Catamaran

    ImaginaryNumber, Jul 19, 2009 ... 14 15 16
    Replies:
    233
    Views:
    108,665
    Deering
    Sep 8, 2013
  23. JCD

    Trailerable Multihulls

    JCD, Mar 4, 2008 ... 21 22 23
    Replies:
    333
    Views:
    104,158
    blackdaisies
    Sep 21, 2009
  24. yoram

    need help in building a small catamaran

    yoram, Nov 18, 2010 ... 5 6 7
    Replies:
    90
    Views:
    97,310
    dstgean
    Dec 2, 2010
  25. Corley

    Formula 40 singlehanded trimaran build log

    Corley, Aug 24, 2011 ... 17 18 19
    Replies:
    274
    Views:
    97,185
    Corley
    Nov 20, 2020
  26. sloopjb

    Wharram Tiki wrecked in Thailand

    sloopjb, Aug 30, 2009 ... 12 13 14
    Replies:
    199
    Views:
    95,659
    RHP
    Feb 21, 2013
  27. Richard Atkin

    Trying to design my own cat.

    Richard Atkin, Aug 12, 2007 ... 37 38 39
    Replies:
    579
    Views:
    94,446
    bobg3723
    Aug 27, 2008
  28. simon

    Where are the catamaran innovations?

    simon, Feb 1, 2009 ... 9 10 11
    Replies:
    161
    Views:
    93,943
    BigCat
    Nov 3, 2009
  29. rayaldridge

    Little Catamarans Vs. Little Trimarans for Beachcamping

    rayaldridge, Aug 17, 2008 ... 5 6 7
    Replies:
    92
    Views:
    93,105
    Skywoolf
    Jul 15, 2010
  30. randy quimpo

    Best rig for small catamaran circumnavigator?

    randy quimpo, Jan 23, 2006 ... 10 11 12
    Replies:
    168
    Views:
    92,953
    BigCat
    Oct 2, 2008
  31. valery gaulin

    Bridgedeck centreboard why don't they work???

    valery gaulin, Jan 10, 2017 ... 34 35 36
    Replies:
    532
    Views:
    90,855
    brian eiland
    Jul 27, 2019
  32. Doug Lord

    Great Multihull Video

    Doug Lord, Jan 26, 2010 ... 17 18 19
    Replies:
    270
    Views:
    82,914
    Doug Lord
    Mar 29, 2019
  33. Maciek188

    Catamaran vs Trimaran

    Maciek188, Jul 17, 2005 ... 4 5 6
    Replies:
    88
    Views:
    80,979
    oscarvan
    May 31, 2009
  34. BWD

    Outrigger canoe plan....

    BWD, Aug 2, 2006 ... 2 3
    Replies:
    31
    Views:
    80,587
    dstgean
    Sep 9, 2009
  35. waynemarlow

    Small Tri's under 20', any mention of foils is banned..

    waynemarlow, Jan 13, 2015 ... 25 26 27
    Replies:
    400
    Views:
    79,111
    upchurchmr
    May 25, 2015
  36. big-boss

    Waterworld Trimaran

    big-boss, Mar 25, 2008 ... 2
    Replies:
    24
    Views:
    78,429
    cole k santos
    Sep 22, 2020
  37. Spiv

    Main-less rig

    Spiv, Feb 10, 2008 ... 10 11 12
    Replies:
    170
    Views:
    78,256
    brian eiland
    Apr 4, 2017
  38. Doug Lord

    MPX-11 Very Small High Power Trimaran

    Doug Lord, Jul 13, 2010 ... 14 15 16
    Replies:
    229
    Views:
    77,568
    Doug Lord
    Dec 8, 2018
  39. Skint For Life

    Micro Cruising Multihulls

    Skint For Life, Jul 31, 2011 ... 4 5 6
    Replies:
    77
    Views:
    74,714
    salglesser
    Jun 23, 2014
  40. Inquisitor

    Proa Questions: Atlantic vs Pacific

    Inquisitor, Jun 22, 2010 ... 12 13 14
    Replies:
    201
    Views:
    74,005
    Clarkey
    Sep 5, 2010
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