Multihulls

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

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  1. Doug Lord

    34th America's Cup: multihulls!

    Doug Lord, Sep 13, 2010 ... 270 271 272
    Replies:
    4,073
    Views:
    639,812
    Doug Lord
    Sep 24, 2015
  2. oldmulti

    Multihull Structure Thoughts

    oldmulti, May 27, 2019 ... 258 259 260
    Replies:
    3,892
    Views:
    957,438
    Manfred.pech
    Apr 26, 2024 at 11:13 AM
  3. Doug Lord

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

    Doug Lord, Dec 28, 2010 ... 198 199 200
    Replies:
    2,991
    Views:
    746,082
    Nicholas cravey
    Jan 18, 2023
  4. oldsailor7

    Buccaneer 24 Builders Forum

    oldsailor7, Jul 22, 2009 ... 193 194 195
    Replies:
    2,914
    Views:
    668,123
    bruceb
    Sep 8, 2023
  5. Gary Baigent

    Historical multihulls

    Gary Baigent, Feb 26, 2012 ... 89 90 91
    Replies:
    1,355
    Views:
    428,010
    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:
    337,621
    Tiny Turnip
    Jan 9, 2021
  7. Gary Baigent

    Alternative to marvelous Buccaneer 24

    Gary Baigent, Apr 18, 2010 ... 65 66 67
    Replies:
    995
    Views:
    285,317
    warwick
    Jun 25, 2015
  8. jorgepease

    CNC Plans not Included

    jorgepease, Sep 19, 2016 ... 64 65 66
    Replies:
    982
    Views:
    105,141
    Doug Lord
    Apr 8, 2018
  9. Doug Lord

    35th Americas Cup: Foiling Multihulls!

    Doug Lord, Sep 26, 2013 ... 56 57 58
    Replies:
    857
    Views:
    152,971
    Doug Lord
    Sep 14, 2017
  10. Doug Lord

    Fastest Sailboat on the Planet!

    Doug Lord, Jan 22, 2007 ... 52 53 54
    Replies:
    806
    Views:
    172,080
    Corley
    Feb 23, 2012
  11. Samnz

    Buccaneer 24 Trimaran

    Samnz, Dec 1, 2008 ... 37 38 39
    Replies:
    582
    Views:
    213,523
    freddyj
    Feb 20, 2020
  12. Richard Atkin

    Trying to design my own cat.

    Richard Atkin, Aug 12, 2007 ... 37 38 39
    Replies:
    579
    Views:
    85,362
    bobg3723
    Aug 27, 2008
  13. valery gaulin

    Bridgedeck centreboard why don't they work???

    valery gaulin, Jan 10, 2017 ... 34 35 36
    Replies:
    532
    Views:
    72,220
    brian eiland
    Jul 27, 2019
  14. SteveW
    Locked

    Low price Catamarans

    SteveW, Mar 8, 2008 ... 33 34 35
    Replies:
    519
    Views:
    156,051
    Admin
    Feb 17, 2009
  15. oldsailor7

    Buccaneer 28 Trimaran plans.

    oldsailor7, Apr 17, 2010 ... 32 33 34
    Replies:
    501
    Views:
    168,714
    Trisailor
    Apr 15, 2017
  16. oldsailor7

    Hedley Nicol Trimaran Plans

    oldsailor7, Mar 12, 2010 ... 31 32 33
    Replies:
    480
    Views:
    143,256
    cavalier mk2
    Apr 4, 2022
  17. Doug Lord

    Planing Trimarans

    Doug Lord, Sep 30, 2006 ... 28 29 30
    Replies:
    438
    Views:
    116,749
    Gary Baigent
    Jun 30, 2016
  18. peterchech

    CSC 30 Catamaran- the coastal passage

    peterchech, Nov 29, 2011 ... 27 28 29
    Replies:
    425
    Views:
    133,985
    Dorydude
    Apr 6, 2021
  19. Gary Baigent

    6.5 to 7.5 metre performance/cruise multihulls

    Gary Baigent, Feb 27, 2015 ... 25 26 27
    Replies:
    403
    Views:
    99,014
    Gary Baigent
    Jul 19, 2019
  20. waynemarlow

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

    waynemarlow, Jan 13, 2015 ... 25 26 27
    Replies:
    400
    Views:
    69,474
    upchurchmr
    May 25, 2015
  21. Alex.A

    Minimum cruising cat-size & cost

    Alex.A, Feb 24, 2010 ... 22 23 24
    Replies:
    350
    Views:
    125,133
    marshmat
    Jul 19, 2010
  22. JCD

    Trailerable Multihulls

    JCD, Mar 4, 2008 ... 21 22 23
    Replies:
    333
    Views:
    95,728
    blackdaisies
    Sep 21, 2009
  23. groper

    Open source 12-15m high performance/semi-cruising catamaran design

    groper, May 10, 2017 ... 20 21 22
    Replies:
    319
    Views:
    56,809
    groper
    Sep 15, 2017
  24. MikeJohns

    Multihull Capsize Prevention <split>

    MikeJohns, Jun 23, 2011 ... 18 19 20
    Replies:
    294
    Views:
    63,672
    Angélique
    Jul 23, 2017
  25. Doug Lord

    New Trimaran Foilers

    Doug Lord, Jun 8, 2016 ... 17 18 19
    Replies:
    276
    Views:
    53,170
    Vantage475T
    Apr 26, 2021
  26. Corley

    Formula 40 singlehanded trimaran build log

    Corley, Aug 24, 2011 ... 17 18 19
    Replies:
    274
    Views:
    88,215
    Corley
    Nov 20, 2020
  27. Doug Lord

    Great Multihull Video

    Doug Lord, Jan 26, 2010 ... 17 18 19
    Replies:
    270
    Views:
    77,656
    Doug Lord
    Mar 29, 2019
  28. Fanie

    Boxy Fisher Catamaran

    Fanie, Mar 11, 2009 ... 16 17 18
    Replies:
    266
    Views:
    66,944
    hoytedow
    May 12, 2020
  29. Corley

    Yvan Bougnon's circumnavigation in a beach cat project

    Corley, Jul 23, 2013 ... 16 17 18
    Replies:
    259
    Views:
    53,947
    Corley
    Aug 4, 2017
  30. brian eiland

    Canting Keel Monos vs Multihulls

    brian eiland, Aug 31, 2006 ... 15 16 17
    Replies:
    252
    Views:
    54,620
    CT 249
    Nov 29, 2006
  31. waynemarlow

    22 - 24 trimaran

    waynemarlow, Jul 22, 2008 ... 15 16 17
    Replies:
    251
    Views:
    124,801
    W17 designer
    Sep 24, 2020
  32. eiasu

    Trimaran with accomodation in the amas

    eiasu, Nov 23, 2012 ... 15 16 17
    Replies:
    244
    Views:
    60,592
    cavalier mk2
    Jul 10, 2018
  33. P Flados

    Sailrocket 2 set to launch

    P Flados, Feb 19, 2011 ... 15 16 17
    Replies:
    242
    Views:
    54,429
    Doug Lord
    May 17, 2015
  34. Doug Lord

    GC 32 super cat

    Doug Lord, Oct 15, 2012 ... 15 16 17
    Replies:
    240
    Views:
    62,359
    Doug Lord
    May 23, 2019
  35. Doug Lord
    Locked

    AC 45 World Championship Cheating??

    Doug Lord, Aug 10, 2013 ... 14 15 16
    Replies:
    237
    Views:
    30,105
    Boat Design Net Moderator
    Apr 13, 2014
  36. ImaginaryNumber

    Modular Cruising Catamaran

    ImaginaryNumber, Jul 19, 2009 ... 14 15 16
    Replies:
    233
    Views:
    102,518
    Deering
    Sep 8, 2013
  37. Doug Lord

    MPX-11 Very Small High Power Trimaran

    Doug Lord, Jul 13, 2010 ... 14 15 16
    Replies:
    229
    Views:
    70,612
    Doug Lord
    Dec 8, 2018
  38. Doug Lord

    Maserati-- 70' Ocean Racing Foiler

    Doug Lord, Feb 12, 2017 ... 13 14 15
    Replies:
    220
    Views:
    24,557
    Doug Lord
    Feb 13, 2020
  39. Skint For Life

    Multihull Collision Survivability

    Skint For Life, May 12, 2011 ... 13 14 15
    Replies:
    218
    Views:
    40,993
    buzzman
    Jul 16, 2013
  40. mmutch

    Long term survival boat ideas

    mmutch, Nov 9, 2012 ... 13 14 15
    Replies:
    218
    Views:
    30,130
    masalai
    Jan 17, 2013
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