Multihulls

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

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  1. Coastal Ogre

    ‘Diamond in the Rough’, or ‘Pasture Time’ for this catamaran?

    Coastal Ogre, Sep 9, 2019
    Replies:
    5
    Views:
    3,333
    catsketcher
    Sep 15, 2019
  2. eiasu

    [FANTASY] Ideal 24 meter trimaran

    eiasu, Oct 4, 2012
    Replies:
    3
    Views:
    2,802
    eiasu
    Oct 5, 2012
  3. GOTTABSOMEWHERE

    Zamma Trimiran

    GOTTABSOMEWHERE, Apr 15, 2009
    Replies:
    5
    Views:
    2,755
    Manie B
    Apr 16, 2009
  4. Frankh78
    Locked

    Z65 Chris Ostlind plans..

    Frankh78, Nov 5, 2015 ... 2
    Replies:
    22
    Views:
    8,485
    waynemarlow
    Nov 11, 2015
  5. Corley

    Yvan Bougnon's circumnavigation in a beach cat project

    Corley, Jul 23, 2013 ... 16 17 18
    Replies:
    259
    Views:
    59,616
    Corley
    Aug 4, 2017
  6. FantasyTrimaran

    Your thoughts on this small trimaran?

    FantasyTrimaran, Sep 22, 2019
    Replies:
    0
    Views:
    2,813
    FantasyTrimaran
    Sep 22, 2019
  7. 1J1

    Yoghurt

    1J1, Dec 3, 2012
    Replies:
    8
    Views:
    2,791
    daiquiri
    Dec 4, 2012
  8. HeavenBound

    yet another mono/tri question

    HeavenBound, Jul 16, 2009 ... 2
    Replies:
    28
    Views:
    5,754
    catsketcher
    Aug 5, 2009
  9. Cat2Fold

    Yet another BiPlane Catamaran design

    Cat2Fold, Oct 28, 2012
    Replies:
    0
    Views:
    3,669
    Cat2Fold
    Oct 28, 2012
  10. aussiebushman

    Yes its ugly, but it floats

    aussiebushman, Aug 28, 2016
    Replies:
    8
    Views:
    3,408
    BobBill
    Aug 31, 2016
  11. Owly

    Yawl mizzen for self steering

    Owly, Mar 16, 2017
    Replies:
    1
    Views:
    5,316
    gonzo
    Mar 18, 2017
  12. brian eiland

    X-Beam and the Giant

    brian eiland, Nov 12, 2006 ... 2 3
    Replies:
    36
    Views:
    17,153
    Herreshock
    Jan 11, 2025
  13. rberrey

    X-2 Contour Trimaran

    rberrey, Aug 20, 2014
    Replies:
    4
    Views:
    3,236
    rberrey
    Aug 24, 2014
  14. Doug Lord

    WSL: Foil Assist-Final Specs

    Doug Lord, Jul 27, 2007
    Replies:
    5
    Views:
    3,512
    brian eiland
    Jul 28, 2007
  15. Roly

    Wow! retro tri......

    Roly, May 27, 2008
    Replies:
    6
    Views:
    3,233
    uncookedlentil
    May 31, 2008
  16. easywake

    Would this make a good domestic cat?

    easywake, Oct 24, 2010
    Replies:
    8
    Views:
    4,312
    apex1
    Oct 25, 2010
  17. NeilG

    Would a tiny mastless multihull be sufficiently stable in heavy seas?

    NeilG, Jan 16, 2014 ... 2
    Replies:
    18
    Views:
    7,428
    n5pgo
    May 16, 2014
  18. waikikin

    Wotrocket

    waikikin, Jun 8, 2008
    Replies:
    12
    Views:
    3,245
    masalai
    Jun 8, 2008
  19. Doug Lord

    Worrell 1000 May 2019

    Doug Lord, Apr 14, 2019
    Replies:
    7
    Views:
    2,102
    Doug Lord
    May 19, 2019
  20. oceancruiser

    Worlds largest sailing trimaran equiped with a sports car ?

    oceancruiser, Dec 3, 2013
    Replies:
    0
    Views:
    2,605
    oceancruiser
    Dec 3, 2013
  21. sabahcat

    worlds largest proa

    sabahcat, Jul 27, 2010
    Replies:
    7
    Views:
    5,279
    SteveMellet
    Aug 1, 2010
  22. Newickspark
    Locked

    World crushing-Fast-under 30’ Tri

    Newickspark, Jun 17, 2019 ... 2
    Replies:
    24
    Views:
    5,926
    Doug Lord
    Jun 27, 2019
  23. valter.f

    Work Catamaran Hull Lines

    valter.f, Aug 17, 2014 ... 2 3
    Replies:
    35
    Views:
    42,330
    valter.f
    Aug 22, 2014
  24. Thisisit

    woodtreatment

    Thisisit, Aug 17, 2006
    Replies:
    2
    Views:
    2,625
    Thisisit
    Aug 19, 2006
  25. Corley

    Woods Wizard walkthrough (Bombay Duck II)

    Corley, Sep 24, 2012
    Replies:
    10
    Views:
    8,109
    prograd
    Nov 8, 2012
  26. resynth

    Woods Windsong - Hull makes crunching sound when pressed

    resynth, Dec 4, 2011
    Replies:
    14
    Views:
    5,666
    redreuben
    Dec 16, 2011
  27. fallguy

    Woods Skoota Jig Available

    fallguy, Aug 29, 2022
    Replies:
    0
    Views:
    1,493
    fallguy
    Aug 29, 2022
  28. Meanz Beanz

    Woods Sango

    Meanz Beanz, Feb 5, 2008
    Replies:
    4
    Views:
    5,801
    Meanz Beanz
    Feb 14, 2008
  29. david@boatsmith

    Woods Eclipse Hull from New Mold

    david@boatsmith, Jan 26, 2013
    Replies:
    2
    Views:
    3,905
    david@boatsmith
    Jan 27, 2013
  30. flagg

    Woods Designs - Eclipse, Flica and Vardo build times

    flagg, Dec 5, 2014 ... 2 3
    Replies:
    41
    Views:
    23,652
    Boatguy30
    Mar 6, 2015
  31. pavel915

    Wooden Catamaran Concept Design

    pavel915, Mar 21, 2023
    Replies:
    7
    Views:
    2,673
    pavel915
    Mar 21, 2023
  32. Thule

    Wooden caramaran wisdom

    Thule, Jan 26, 2024 ... 2
    Replies:
    18
    Views:
    3,320
    Thule
    Jan 31, 2024
  33. Skip JayR

    Wishes for a wonderful and exiting Multihull Year 2016...

    Skip JayR, Jan 1, 2016
    Replies:
    2
    Views:
    2,492
    Skip JayR
    Jan 1, 2016
  34. SURRYEQUIP

    Wish list for cruising cats

    SURRYEQUIP, Mar 13, 2007
    Replies:
    1
    Views:
    2,937
    tspeer
    Mar 15, 2007
  35. skyl4rk

    Wisconsin Proa

    skyl4rk, Oct 17, 2020
    Replies:
    0
    Views:
    1,655
    skyl4rk
    Oct 17, 2020
  36. guest200901

    wiring diagram for `46 catamaran

    guest200901, Sep 26, 2007
    Replies:
    9
    Views:
    6,401
    guest200901
    Sep 27, 2007
  37. Paul Scott

    wingmast/shroud interaction- hardware

    Paul Scott, Jun 14, 2008
    Replies:
    11
    Views:
    4,999
    Munter
    Jul 29, 2008
  38. jpquattro

    wingmast and sail slides

    jpquattro, Oct 1, 2010
    Replies:
    13
    Views:
    4,908
    ThomD
    Oct 6, 2010
  39. Manfred.pech

    Wingmaran

    Manfred.pech, Nov 6, 2023
    Replies:
    2
    Views:
    1,639
    Manfred.pech
    Nov 8, 2023
  40. Doug Lord

    Winged Trimaran-Kotaro Horiuchi

    Doug Lord, Nov 1, 2006 ... 2
    Replies:
    21
    Views:
    34,719
    Doug Lord
    Jul 29, 2010
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