Multihulls

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

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  1. sailor305

    easy, fast to build multihull with simple rig

    sailor305, May 15, 2012 ... 7 8 9
    Replies:
    132
    Views:
    41,195
    cavalier mk2
    Jun 7, 2014
  2. Swabber
    Locked

    Thailand Sailing Multihulls

    Swabber, Feb 19, 2009 ... 7 8 9
    Replies:
    130
    Views:
    24,928
    RHP
    Mar 23, 2009
  3. boradicus

    Trimaran Design Concept with longer foils than the main hull

    boradicus, Jun 3, 2013 ... 7 8 9
    Replies:
    129
    Views:
    27,216
    boradicus
    Jul 6, 2013
  4. Corley

    New 27' trimaran design by Kurt Hughes

    Corley, Aug 4, 2012 ... 7 8 9
    Replies:
    126
    Views:
    40,079
    Corley
    Oct 3, 2012
  5. trip the light fandango

    building new amas/floats from recycled beachcat hulls

    trip the light fandango, Apr 23, 2019 ... 7 8 9
    Replies:
    125
    Views:
    22,635
    trip the light fandango
    Apr 16, 2023
  6. tamas

    Folding system loads

    tamas, Nov 11, 2013 ... 7 8 9
    Replies:
    124
    Views:
    20,334
    ThomD
    Dec 21, 2014
  7. Doug Lord

    Banque Populaire V-Jules Verne Record Attempt- 11/21/11

    Doug Lord, Nov 21, 2011 ... 7 8 9
    Replies:
    123
    Views:
    22,544
    Corley
    Oct 5, 2012
  8. outside the box

    Buccaneer 24, Buccaneer 28 and now Buccaneer 33 plans are also now to be available.

    outside the box, Jan 21, 2015 ... 7 8 9
    Replies:
    121
    Views:
    38,450
    oldmulti
    Jul 10, 2020
  9. oldsailor7

    Lock Crowther Kraken 25 Trimaran.

    oldsailor7, Oct 18, 2010 ... 7 8 9
    Replies:
    121
    Views:
    38,771
    oldsailor7
    Sep 27, 2015
  10. nickvonw

    Round Bilge vs hard chine

    nickvonw, Apr 11, 2011 ... 6 7 8
    Replies:
    119
    Views:
    62,224
    MikeJohns
    Jan 20, 2015
  11. Doug Lord

    Steve and Dave Clarks UFO

    Doug Lord, Aug 24, 2016 ... 6 7 8
    Replies:
    116
    Views:
    37,600
    Doug Lord
    Sep 11, 2019
  12. bscatam

    40 ft cruising cat design. First steps.

    bscatam, Mar 28, 2016 ... 6 7 8
    Replies:
    116
    Views:
    22,689
    bscatam
    Apr 15, 2017
  13. bjn

    Why do multihulls have pointy bows?

    bjn, Jan 22, 2017 ... 6 7 8
    Replies:
    115
    Views:
    23,883
    Iridian
    Jul 11, 2021
  14. Jerry_Lincoln

    Norman Cross Trimaran

    Jerry_Lincoln, Mar 26, 2005 ... 6 7 8
    Replies:
    114
    Views:
    111,537
    Briter
    Apr 6, 2022
  15. Becaris

    22m cruising cat design concept

    Becaris, Aug 3, 2008 ... 6 7 8
    Replies:
    114
    Views:
    20,592
    brian eiland
    Sep 7, 2009
  16. Fanie

    Anti Capsize / Damage and Sails

    Fanie, Dec 8, 2007 ... 6 7 8
    Replies:
    114
    Views:
    27,564
    yipster
    May 22, 2008
  17. buzzman

    Why don't lots more people sail multis..???

    buzzman, Aug 14, 2013 ... 6 7 8
    Replies:
    112
    Views:
    14,773
    El_Guero
    Sep 16, 2013
  18. Tcubed

    Proa design

    Tcubed, Sep 13, 2008 ... 6 7 8
    Replies:
    112
    Views:
    44,916
    rob denney
    Apr 15, 2009
  19. Doug Lord

    Flying Phantom F 18 Catamaran

    Doug Lord, Jul 13, 2012 ... 6 7 8
    Replies:
    111
    Views:
    59,998
    Doug Lord
    Jun 4, 2019
  20. frank smith

    dory catamaran hull

    frank smith, Feb 2, 2010 ... 6 7 8
    Replies:
    111
    Views:
    51,763
    Motivator-1
    Jun 1, 2010
  21. BobBill

    Malibu Outrigger

    BobBill, Dec 16, 2011 ... 6 7 8
    Replies:
    110
    Views:
    35,365
    BobBill
    Oct 26, 2016
  22. Corley

    Race to Alaska and a listing of race entrants so far

    Corley, Apr 6, 2015 ... 6 7 8
    Replies:
    110
    Views:
    13,773
    cavalier mk2
    Jun 22, 2015
  23. Corley

    80' trimaran for Route du Rhum to be skippered by Lionel Lemanchois

    Corley, Aug 24, 2012 ... 6 7 8
    Replies:
    110
    Views:
    16,233
    Blackburn
    Feb 15, 2014
  24. Earl Boebert

    Artemis Pitchpoled; 1 Dead

    Earl Boebert, May 9, 2013 ... 6 7 8
    Replies:
    108
    Views:
    13,260
    Doug Lord
    Jul 2, 2013
  25. AndrewK

    Load Paths in a Catamaran

    AndrewK, Feb 24, 2009 ... 6 7 8
    Replies:
    108
    Views:
    18,310
    Ad Hoc
    Mar 21, 2009
  26. Skip JayR

    12th edition of Transat Jacques Vabre: 8 Tris (Multi50 & Maxis) started on Sunday

    Skip JayR, Oct 26, 2015 ... 6 7 8
    Replies:
    107
    Views:
    15,319
    Skip JayR
    Nov 11, 2015
  27. idkfa

    T20 -- New development class

    idkfa, Sep 26, 2011 ... 6 7 8
    Replies:
    107
    Views:
    18,250
    waynemarlow
    Feb 28, 2015
  28. Doug Lord

    High Power Very Small Tri(s)-10'-14'-why not?

    Doug Lord, Jun 27, 2010 ... 6 7 8
    Replies:
    107
    Views:
    25,060
    Doug Lord
    Aug 3, 2010
  29. Doug Lord

    USA-Technical Details-Helium used

    Doug Lord, Mar 27, 2010 ... 6 7 8
    Replies:
    107
    Views:
    17,468
    Doug Lord
    May 15, 2010
  30. Corley

    Route des Princes 2013

    Corley, Jun 5, 2013 ... 6 7 8
    Replies:
    106
    Views:
    14,384
    pipeline
    Jul 13, 2013
  31. guzzis3

    crowther 10 hull refit: how much ?

    guzzis3, Jan 16, 2012 ... 6 7 8
    Replies:
    106
    Views:
    19,048
    guzzis3
    Mar 17, 2012
  32. Doug Lord

    America's Cup 2010: Race Thread

    Doug Lord, Feb 12, 2010 ... 5 6 7
    Replies:
    104
    Views:
    13,075
    Doug Lord
    Mar 2, 2010
  33. PetterM
    Locked

    length/beam ratio of around 20

    PetterM, Apr 21, 2015 ... 5 6 7
    Replies:
    102
    Views:
    20,086
    Boat Design Net Moderator
    Apr 29, 2015
  34. Manfred.pech
    Locked

    Hinged Bruce Foil Proa

    Manfred.pech, May 7, 2013 ... 5 6 7
    Replies:
    102
    Views:
    23,740
    tomas
    Aug 23, 2013
  35. Doug Lord

    Offshore Foiling Revolution-Gitana

    Doug Lord, Apr 16, 2015 ... 5 6 7
    Replies:
    101
    Views:
    21,881
    Doug Lord
    Apr 24, 2016
  36. bad dog

    Sydney-Hobart won by multihull!!

    bad dog, Dec 26, 2009 ... 5 6 7
    Replies:
    100
    Views:
    22,422
    Corley
    Oct 4, 2012
  37. LucD

    Seeking info on Tri-Star or Piver trimaran 23 to 27 Feet

    LucD, Sep 25, 2009 ... 5 6 7
    Replies:
    100
    Views:
    43,059
    FredMG
    Apr 8, 2010
  38. marshmat

    Multi-masted sailing cats

    marshmat, Jan 3, 2009 ... 5 6 7
    Replies:
    100
    Views:
    31,507
    marshmat
    Jan 2, 2010
  39. MrMillard

    Amateur trimaran design critique

    MrMillard, Dec 1, 2021 ... 5 6 7
    Replies:
    98
    Views:
    18,866
    Bobuk25
    Mar 23, 2022
  40. langdon2

    Trimaran crossbeam calculations

    langdon2, Jun 5, 2011 ... 5 6 7
    Replies:
    98
    Views:
    32,423
    Richard Woods
    Jun 13, 2011
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