Multihulls

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

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  1. Becaris

    Rotating Dagger boards on a cruising catamaran

    Becaris, Jun 11, 2011 ... 3 4 5
    Replies:
    72
    Views:
    17,255
    brian eiland
    Feb 4, 2017
  2. Manfred.pech

    Trimarans of the Everglades Challenge 2013

    Manfred.pech, Mar 15, 2013 ... 3 4 5
    Replies:
    66
    Views:
    17,256
    upchurchmr
    Feb 12, 2014
  3. jaydh

    aluminum cat project...

    jaydh, Jun 30, 2009
    Replies:
    13
    Views:
    17,271
    jaydh
    Aug 10, 2009
  4. Chris Ostlind
    Locked

    New Take on Tremolino

    Chris Ostlind, Apr 27, 2007 ... 2 3
    Replies:
    34
    Views:
    17,507
    ppl_rjg
    Jan 20, 2010
  5. Doug Lord

    Maserati-- 70' Ocean Racing Foiler

    Doug Lord, Feb 12, 2017 ... 13 14 15
    Replies:
    220
    Views:
    17,531
    Doug Lord
    Feb 13, 2020
  6. Becaris

    22m cruising cat design concept

    Becaris, Aug 3, 2008 ... 6 7 8
    Replies:
    114
    Views:
    17,658
    brian eiland
    Sep 7, 2009
  7. Saylaman

    Maximum trailerable towing width

    Saylaman, Feb 7, 2010 ... 2
    Replies:
    28
    Views:
    17,662
    Wake31
    Mar 3, 2011
  8. basildog

    NZ Trimaran - Demon Tricycle

    basildog, Dec 2, 2008 ... 2 3 4
    Replies:
    52
    Views:
    17,667
    rapscallion
    Jan 9, 2012
  9. peterchech

    Finished a 24' Wa'apa

    peterchech, Apr 19, 2011 ... 2
    Replies:
    27
    Views:
    17,672
    Collin
    Oct 23, 2012
  10. CatBuilder

    Single Dagger Board vs Double Boards

    CatBuilder, Apr 26, 2011 ... 5 6 7
    Replies:
    91
    Views:
    17,724
    DennisRB
    May 31, 2021
  11. Bigfork

    W17 trimaran...What do ya think??

    Bigfork, Oct 8, 2010 ... 2 3 4
    Replies:
    51
    Views:
    17,755
    W17 designer
    Jan 11, 2015
  12. spidennis

    Biplane Rigs

    spidennis, Feb 14, 2012 ... 2 3
    Replies:
    40
    Views:
    17,920
    Cat2Fold
    Jun 28, 2012
  13. DennisRB

    l'hydroptere.ch

    DennisRB, Oct 11, 2010 ... 4 5 6
    Replies:
    81
    Views:
    17,944
    Doug Lord
    Sep 4, 2014
  14. Doug Lord

    Offshore Foiling Revolution-Gitana

    Doug Lord, Apr 16, 2015 ... 5 6 7
    Replies:
    101
    Views:
    17,979
    Doug Lord
    Apr 24, 2016
  15. Gary Habersetzer

    Concept designer wanted

    Gary Habersetzer, Jul 9, 2006 ... 2 3 4
    Replies:
    46
    Views:
    18,117
    yipster
    Apr 10, 2007
  16. peterhull

    Farrier 22 trailerable Folding Trimaran build

    peterhull, Apr 5, 2010 ... 2 3
    Replies:
    33
    Views:
    18,141
    peterhull
    Apr 13, 2010
  17. Corley

    Rapido 60 trimaran design by Morrelli and Melvin

    Corley, Oct 29, 2014 ... 2 3
    Replies:
    43
    Views:
    18,179
    Corley
    Aug 23, 2016
  18. Thomas Rheuble

    Trailerable Trimarans

    Thomas Rheuble, Apr 21, 2003
    Replies:
    10
    Views:
    18,225
    Gunnar Svensson
    Aug 27, 2004
  19. bad dog

    Sydney-Hobart won by multihull!!

    bad dog, Dec 26, 2009 ... 5 6 7
    Replies:
    100
    Views:
    18,351
    Corley
    Oct 4, 2012
  20. themanshed

    New Design TMS-20 Racing Trimaran

    themanshed, Oct 1, 2009 ... 2 3
    Replies:
    34
    Views:
    18,369
    upchurchmr
    Oct 21, 2012
  21. Doug Lord

    New A Class Catamaran Rig: Square Top Jib

    Doug Lord, Jan 17, 2011 ... 2 3
    Replies:
    36
    Views:
    18,571
    waynemarlow
    Feb 21, 2015
  22. peterchech

    tortured ply theory

    peterchech, May 5, 2011 ... 2 3 4
    Replies:
    45
    Views:
    18,605
    bregalad
    Nov 23, 2011
  23. Manfred.pech
    Locked

    Hinged Bruce Foil Proa

    Manfred.pech, May 7, 2013 ... 5 6 7
    Replies:
    102
    Views:
    18,636
    tomas
    Aug 23, 2013
  24. bax

    Cavitation plate depth

    bax, Mar 5, 2010 ... 2
    Replies:
    17
    Views:
    18,813
    gonzo
    Mar 9, 2010
  25. Kalagan

    Convert Mono Hull to Tri?

    Kalagan, May 8, 2009 ... 2
    Replies:
    19
    Views:
    18,819
    Freenacin
    Jun 15, 2009
  26. tcpbob

    Duflex Panels from ATL, Worth it???

    tcpbob, Jan 25, 2008 ... 2 3
    Replies:
    42
    Views:
    18,879
    brian eiland
    Dec 13, 2011
  27. bscatam

    40 ft cruising cat design. First steps.

    bscatam, Mar 28, 2016 ... 6 7 8
    Replies:
    116
    Views:
    18,938
    bscatam
    Apr 15, 2017
  28. CatBuilder

    Wing Sails

    CatBuilder, Jan 16, 2011 ... 2 3
    Replies:
    40
    Views:
    19,282
    Pericles
    Jun 6, 2013
  29. Doug Lord

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

    Doug Lord, Nov 21, 2011 ... 7 8 9
    Replies:
    123
    Views:
    19,314
    Corley
    Oct 5, 2012
  30. Snubber

    Hobie Cat

    Snubber, Feb 7, 2006
    Replies:
    9
    Views:
    19,358
    outsidersails
    Oct 22, 2012
  31. Corley

    Ted Warren new Ultralight 20 trimaran

    Corley, Aug 29, 2012 ... 4 5 6
    Replies:
    81
    Views:
    19,786
    Doug Lord
    Jul 26, 2016
  32. Doug Lord

    Gitana 17-100' Trimaran Foiler-Launch 7/17/17

    Doug Lord, Jul 13, 2017 ... 11 12 13
    Replies:
    188
    Views:
    19,871
    Dolfiman
    Sep 29, 2020
  33. Chris01

    24 ft trimaran

    Chris01, Aug 7, 2004 ... 2
    Replies:
    17
    Views:
    20,096
    oldsailor7
    Aug 21, 2010
  34. Swabber
    Locked

    Thailand Sailing Multihulls

    Swabber, Feb 19, 2009 ... 7 8 9
    Replies:
    130
    Views:
    20,140
    RHP
    Mar 23, 2009
  35. Doug Lord

    Veal Heel for Multihull Foilers

    Doug Lord, Jul 14, 2009 ... 9 10 11
    Replies:
    160
    Views:
    20,245
    uk_brownie
    Jan 20, 2010
  36. Doug Lord

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

    Doug Lord, Jun 27, 2010 ... 6 7 8
    Replies:
    107
    Views:
    20,252
    Doug Lord
    Aug 3, 2010
  37. corsaro

    Tornado class plans

    corsaro, Mar 1, 2007
    Replies:
    14
    Views:
    20,511
    TORNADOCAT63
    Aug 19, 2010
  38. upchurchmr

    Trimaran From a Tornado Cat

    upchurchmr, Oct 31, 2011 ... 3 4 5
    Replies:
    64
    Views:
    20,597
    Doug Lord
    Nov 19, 2011
  39. mcm

    Designing and Constructing Crossbeams

    mcm, Jan 19, 2007 ... 2
    Replies:
    23
    Views:
    20,797
    Spiv
    May 30, 2008
  40. boradicus

    Trimaran Design Concept with longer foils than the main hull

    boradicus, Jun 3, 2013 ... 7 8 9
    Replies:
    129
    Views:
    20,890
    boradicus
    Jul 6, 2013
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