Multihulls

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

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  1. samh

    catamaran and trimaran hull form

    samh, Mar 8, 2005
    Replies:
    10
    Views:
    12,098
    Ron Cook
    Mar 9, 2005
  2. Meanz Beanz

    Making a "Park Avenue" Boom

    Meanz Beanz, Jun 27, 2007 ... 2
    Replies:
    21
    Views:
    12,091
    michael pierzga
    Oct 2, 2011
  3. Eliseviv

    Shockwave 37 History

    Eliseviv, Jan 18, 2011 ... 2 3
    Replies:
    39
    Views:
    12,091
    Pil007
    Oct 19, 2020
  4. zerogara

    Dinghy tragedy caused by stability fault

    zerogara, Mar 16, 2006 ... 2 3 4
    Replies:
    52
    Views:
    12,026
    Guillermo
    Apr 23, 2006
  5. P Flados

    Small Tri Test Platform

    P Flados, Sep 30, 2014 ... 3 4 5
    Replies:
    68
    Views:
    12,005
    Samuel Langhorn
    Jan 2, 2021
  6. russmbiz

    Trying to design a homemade catamaran..

    russmbiz, Jul 11, 2010 ... 2
    Replies:
    23
    Views:
    11,960
    nimblemotors
    Apr 29, 2011
  7. Mitch M

    R/C trimaran hull shape and foil suggestions

    Mitch M, Nov 29, 2007
    Replies:
    10
    Views:
    11,916
    missing
    Feb 8, 2008
  8. Corley

    How to (with pictures) build a Mosquito catamaran in tortured ply

    Corley, Jul 16, 2012
    Replies:
    1
    Views:
    11,859
    Corley
    Jul 17, 2012
  9. sigurd

    planing pods/skis/amas

    sigurd, Dec 12, 2004 ... 2 3
    Replies:
    32
    Views:
    11,833
    Phil Locker
    Oct 15, 2005
  10. champ0815

    Tacking "proa" - what's the penalty?

    champ0815, Oct 24, 2012 ... 2 3
    Replies:
    37
    Views:
    11,776
    champ0815
    Jan 7, 2013
  11. buzzman

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

    buzzman, Aug 14, 2013 ... 6 7 8
    Replies:
    112
    Views:
    11,724
    El_Guero
    Sep 16, 2013
  12. caiman

    Foil Ratio

    caiman, Dec 26, 2010 ... 4 5 6
    Replies:
    84
    Views:
    11,712
    caiman
    Jul 31, 2011
  13. Blacky

    How to reduce costs for rig/sails (Sango from Woods)

    Blacky, May 13, 2010 ... 2
    Replies:
    25
    Views:
    11,642
    apex1
    May 25, 2010
  14. Doug Lord

    SYZ Catamaran Foiler

    Doug Lord, Sep 30, 2008 ... 2
    Replies:
    15
    Views:
    11,573
    captainsideburn
    Aug 17, 2010
  15. Doug Lord

    Foiling Nacra F20-the Revolution Continues!

    Doug Lord, Dec 17, 2013 ... 2
    Replies:
    29
    Views:
    11,564
    Doug Lord
    Mar 30, 2016
  16. Doug Lord

    DNA A Class Catamaran

    Doug Lord, Dec 7, 2010
    Replies:
    2
    Views:
    11,558
    airwinona
    Nov 24, 2011
  17. wannabeboater

    fast cats

    wannabeboater, Jul 14, 2009 ... 5 6 7
    Replies:
    91
    Views:
    11,535
    wannabeboater
    Jul 21, 2009
  18. Gus7119

    A Frame Masts

    Gus7119, Jan 20, 2016 ... 4 5 6
    Replies:
    81
    Views:
    11,505
    Steveso
    Feb 18, 2016
  19. 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:
    11,484
    Skip JayR
    Nov 11, 2015
  20. Skip JayR

    Simpson Liahona Trimaran (42.5 - 26.6 ft cruising)

    Skip JayR, Oct 31, 2015 ... 2 3
    Replies:
    32
    Views:
    11,443
    neville2006
    Nov 12, 2015
  21. Doug Lord

    Amaryllis

    Doug Lord, Mar 14, 2011 ... 3 4 5
    Replies:
    70
    Views:
    11,430
    Doug Lord
    Feb 25, 2016
  22. warwick

    gybing center boards

    warwick, Jul 4, 2012 ... 5 6 7
    Replies:
    91
    Views:
    11,393
    warwick
    Jul 11, 2012
  23. pbmaise

    Lagoon 620 - Unsafe at any speed? Or just silly?

    pbmaise, May 19, 2013 ... 2 3
    Replies:
    34
    Views:
    11,358
    pbmaise
    May 29, 2013
  24. HydroNick

    Soft Rigging Solutions

    HydroNick, Aug 17, 2013 ... 2 3 4
    Replies:
    45
    Views:
    11,326
    BobBill
    Aug 25, 2016
  25. Doug Lord

    Nacra 17 / Curved Foils for Cats-Pete Melvin

    Doug Lord, May 4, 2012
    Replies:
    7
    Views:
    11,284
    Doug Lord
    Jul 12, 2015
  26. Corley

    Boatsmith Florida building Wharram Ariki catamaran

    Corley, Feb 11, 2013 ... 2 3
    Replies:
    35
    Views:
    11,276
    Teleman
    Mar 4, 2016
  27. grob

    3D catamaran hull models

    grob, Feb 19, 2004
    Replies:
    3
    Views:
    11,248
    Stephen Ditmore
    Feb 21, 2004
  28. ASM

    Boxy, simple ~8 m electric powercat

    ASM, Apr 16, 2009 ... 2 3 4
    Replies:
    51
    Views:
    11,242
    KalleA
    Apr 30, 2009
  29. Natsu

    beach cat

    Natsu, Jul 31, 2008 ... 2
    Replies:
    17
    Views:
    11,205
    rch701
    Apr 14, 2010
  30. Jetboy

    Aluminum Tube/Pipe Question: Extruded vs Drawn -Trimaran beam

    Jetboy, Mar 17, 2015 ... 2
    Replies:
    15
    Views:
    11,195
    AnthonyW
    Mar 21, 2015
  31. frank smith

    Best simple 30' cruising cat

    frank smith, Feb 15, 2011 ... 2
    Replies:
    19
    Views:
    11,195
    John1234
    Oct 14, 2011
  32. brian eiland

    Capsize Prevention Devices

    brian eiland, Jan 16, 2012 ... 2 3 4
    Replies:
    48
    Views:
    11,171
    hump101
    Nov 21, 2015
  33. Goliat

    Epoxy on styrofoam fishing mini-cat

    Goliat, Feb 16, 2017 ... 2
    Replies:
    15
    Views:
    11,139
    sailhand
    Feb 20, 2017
  34. saltifinch

    Catamaran build with different core materials

    saltifinch, Mar 19, 2016 ... 2 3
    Replies:
    31
    Views:
    11,100
    saltifinch
    Mar 31, 2016
  35. Rolf Nilsen

    Easy to build, cheap, foils?

    Rolf Nilsen, Jul 19, 2007 ... 2
    Replies:
    18
    Views:
    11,052
    Guest625101138
    Jul 21, 2007
  36. Corley

    Trimarans 30' to 50'

    Corley, Sep 3, 2016 ... 2 3
    Replies:
    39
    Views:
    11,045
    buzzman
    Nov 21, 2016
  37. kerinin

    My F16-class pontoon design (comments/suggestions?)

    kerinin, Jun 20, 2009 ... 2 3
    Replies:
    38
    Views:
    11,038
    waynemarlow
    Jul 2, 2009
  38. fiunery

    outboards in nacelles

    fiunery, Aug 13, 2014 ... 2
    Replies:
    27
    Views:
    11,013
    brian eiland
    Sep 3, 2016
  39. Doug Lord

    18' Osprey Multifoiler from Dr. Sam Bradfield

    Doug Lord, Dec 17, 2008 ... 2
    Replies:
    24
    Views:
    10,989
    Doug Lord
    Feb 1, 2012
  40. ImaginaryNumber

    Look Ma, No Rocker

    ImaginaryNumber, Apr 9, 2012 ... 2 3
    Replies:
    34
    Views:
    10,986
    Alex.A
    Apr 18, 2012
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