Multihulls

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

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  1. Corley

    Kurt Hughes updated Trikala 19 trimaran

    Corley, Jan 28, 2013 ... 4 5 6
    Replies:
    78
    Views:
    26,923
    W17 designer
    Mar 29, 2014
  2. Skint For Life

    Micro Cruising Multihulls

    Skint For Life, Jul 31, 2011 ... 4 5 6
    Replies:
    77
    Views:
    70,669
    salglesser
    Jun 23, 2014
  3. mikereed100

    Adding vee to cat hulls

    mikereed100, May 22, 2011 ... 4 5 6
    Replies:
    77
    Views:
    11,892
    mikereed100
    Jun 27, 2011
  4. Bigfork

    Mashup Trimaran (continued)

    Bigfork, Feb 17, 2021 ... 4 5 6
    Replies:
    76
    Views:
    16,726
    Air Tahiti
    Aug 26, 2023
  5. paxfish

    High Speed Rudder issue....

    paxfish, Oct 12, 2015 ... 4 5 6
    Replies:
    76
    Views:
    15,448
    oldsailor7
    Nov 6, 2015
  6. ImaginaryNumber

    Wide-hulled trimaran?

    ImaginaryNumber, Apr 21, 2011 ... 4 5 6
    Replies:
    76
    Views:
    39,650
    ImaginaryNumber
    Aug 22, 2012
  7. Steve W

    outboard power on larger cruising cats

    Steve W, Aug 14, 2016 ... 4 5 6
    Replies:
    75
    Views:
    15,327
    Steve W
    Sep 14, 2016
  8. Qmaran

    Is rigidity a religion? Amas on the move....

    Qmaran, Aug 31, 2021 ... 3 4 5
    Replies:
    74
    Views:
    16,105
    gonzo
    Mar 28, 2022
  9. DennisRB

    Catamaran tender to replace rib?

    DennisRB, Jul 4, 2014 ... 3 4 5
    Replies:
    74
    Views:
    44,243
    EDWARD GARCIA
    Jul 21, 2021
  10. Corley

    Francis Joyon and the IDEC team depart in their attempt to claim Jules Verne Trophy

    Corley, Nov 21, 2016 ... 3 4 5
    Replies:
    74
    Views:
    8,993
    oldsailor7
    Feb 9, 2017
  11. Nautically Obsessed

    Please Sanity Check My Catamaran Design

    Nautically Obsessed, Mar 4, 2018 ... 3 4 5
    Replies:
    73
    Views:
    13,720
    gonzo
    Dec 6, 2018
  12. xarax

    Center nacelles and wave pounding in cats.

    xarax, Sep 1, 2007 ... 3 4 5
    Replies:
    72
    Views:
    39,698
    BobBill
    Sep 6, 2017
  13. Becaris

    Rotating Dagger boards on a cruising catamaran

    Becaris, Jun 11, 2011 ... 3 4 5
    Replies:
    72
    Views:
    21,153
    brian eiland
    Feb 4, 2017
  14. Manfred.pech

    New small Multi from Icarus

    Manfred.pech, May 31, 2016 ... 3 4 5
    Replies:
    72
    Views:
    21,366
    ricardoribeiro
    Oct 27, 2016
  15. Richard Woods

    The Pitchpoling Myth

    Richard Woods, Aug 18, 2008 ... 3 4 5
    Replies:
    72
    Views:
    18,594
    Richard Atkin
    Sep 5, 2008
  16. gpb

    K24T versus Buccaneer 24

    gpb, May 22, 2009 ... 3 4 5
    Replies:
    71
    Views:
    34,429
    Ilikeboats
    May 18, 2017
  17. JasonCatt

    Waller 1200 or Easy Sarah? Advice please.

    JasonCatt, Jan 9, 2017 ... 3 4 5
    Replies:
    71
    Views:
    17,366
    JasonCatt
    Apr 8, 2017
  18. cloudsrule9

    demountable catamaran for the caribbean and south pacific

    cloudsrule9, Jun 10, 2016 ... 3 4 5
    Replies:
    71
    Views:
    21,061
    brian eiland
    Aug 10, 2016
  19. rogerf

    Insurance - the elephant in the room.

    rogerf, Jan 31, 2013 ... 3 4 5
    Replies:
    71
    Views:
    16,275
    Alan.M
    Sep 5, 2015
  20. Becaris

    Bi-Plane rig on a 20m cat

    Becaris, Jun 28, 2010 ... 3 4 5
    Replies:
    71
    Views:
    26,110
    scape
    Mar 8, 2014
  21. Autodafe

    Pod cat square rigger cold weather cruiser project

    Autodafe, Feb 4, 2012 ... 3 4 5
    Replies:
    71
    Views:
    16,834
    CatBuilder
    May 16, 2012
  22. nickvonw

    Amateur wants to build Blue water multi hull cruiser

    nickvonw, Oct 13, 2009 ... 3 4 5
    Replies:
    71
    Views:
    20,194
    Alan M.
    Dec 6, 2009
  23. EscapeArtist

    Can solar energy power a catamaran?

    EscapeArtist, Sep 4, 2016 ... 3 4 5
    Replies:
    70
    Views:
    19,661
    pacific green
    Oct 27, 2017
  24. Doug Lord

    Amaryllis

    Doug Lord, Mar 14, 2011 ... 3 4 5
    Replies:
    70
    Views:
    13,355
    Doug Lord
    Feb 25, 2016
  25. Dr. Peter

    Narrowing the beam

    Dr. Peter, Apr 1, 2010 ... 3 4 5
    Replies:
    70
    Views:
    20,289
    Dr. Peter
    May 5, 2011
  26. Iridian

    Considering Homebuilding a ~50' Catamaran

    Iridian, Jun 10, 2021 ... 3 4 5
    Replies:
    69
    Views:
    13,641
    Air Tahiti
    Dec 17, 2023
  27. Doug Lord

    Trimaran Turning Radius: Ama Position

    Doug Lord, Jun 27, 2012 ... 3 4 5
    Replies:
    69
    Views:
    13,858
    Whatsisname
    Jul 12, 2012
  28. P Flados

    Small Tri Test Platform

    P Flados, Sep 30, 2014 ... 3 4 5
    Replies:
    68
    Views:
    14,947
    Samuel Langhorn
    Jan 2, 2021
  29. spidennis

    beach catamaran hull plans

    spidennis, Feb 8, 2012 ... 3 4 5
    Replies:
    68
    Views:
    60,956
    upchurchmr
    Apr 18, 2012
  30. guzzis3

    Beam design for a demountable catamaran

    guzzis3, Dec 21, 2016 ... 3 4 5
    Replies:
    67
    Views:
    15,450
    fallguy
    Oct 30, 2017
  31. lowe210

    Pontoon Boat Conversion to Sailboat

    lowe210, Nov 15, 2008 ... 3 4 5
    Replies:
    67
    Views:
    44,973
    silverbear
    Aug 3, 2016
  32. Doug Lord

    A Cat on foils wins NZ Nationals/ Worlds Start Tuesday

    Doug Lord, Feb 8, 2014 ... 3 4 5
    Replies:
    67
    Views:
    9,569
    P Flados
    Apr 8, 2014
  33. Inquisitor

    In search of the prefect Proa

    Inquisitor, Jun 30, 2010 ... 3 4 5
    Replies:
    67
    Views:
    18,380
    Inquisitor
    Sep 4, 2010
  34. pir8ped

    Commercial fishing trimaran?

    pir8ped, Jun 7, 2008 ... 3 4 5
    Replies:
    67
    Views:
    24,763
    entropy
    Mar 22, 2009
  35. Dolfiman

    Ultims in Transat Jacques Vabre

    Dolfiman, Oct 29, 2017 ... 3 4 5
    Replies:
    66
    Views:
    7,522
    Dolfiman
    Feb 16, 2019
  36. kaymaran
    Locked

    4.75m Trimaran Project

    kaymaran, Jan 2, 2016 ... 3 4 5
    Replies:
    66
    Views:
    13,323
    Boat Design Net Moderator
    Jan 10, 2016
  37. Manfred.pech

    Trimarans of the Everglades Challenge 2013

    Manfred.pech, Mar 15, 2013 ... 3 4 5
    Replies:
    66
    Views:
    20,919
    upchurchmr
    Feb 12, 2014
  38. rubyjeaan

    Building my MT 26 folding tri

    rubyjeaan, Jul 12, 2012 ... 3 4 5
    Replies:
    66
    Views:
    10,299
    Doug Lord
    Feb 12, 2013
  39. peterchech

    why has high buoyancy become so important?

    peterchech, May 6, 2011 ... 3 4 5
    Replies:
    66
    Views:
    20,283
    Gary Baigent
    May 24, 2011
  40. nickvonw

    Daggerboards vs keeled hulls

    nickvonw, Apr 11, 2011 ... 3 4 5
    Replies:
    66
    Views:
    17,680
    cavalier mk2
    Apr 28, 2011
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