Multihulls

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

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  1. magentawave

    Questions about safety of CSK / Polycon Catamarans for cruising

    magentawave, Mar 13, 2019
    Replies:
    6
    Views:
    317
    Richard Woods
    Mar 15, 2019
  2. magentawave

    What is the beam of a Crowther Spindrift 37?

    magentawave, Mar 11, 2019
    Replies:
    4
    Views:
    211
    magentawave
    Mar 13, 2019
  3. markstrimaran

    UV proof synthetic standing rigging for mast stays.

    markstrimaran, Mar 1, 2019 ... 2 3
    Replies:
    42
    Views:
    814
    trip the light fandango
    Mar 12, 2019
  4. outside the box

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

    outside the box, Jan 21, 2015 ... 6 7 8
    Replies:
    109
    Views:
    22,028
    bruceb
    Mar 10, 2019
  5. Doug Lord

    Sail GP: Boat Speed vs True Wind Speed

    Doug Lord, Feb 21, 2019
    Replies:
    6
    Views:
    314
    bjn
    Mar 10, 2019
  6. Doug Lord

    Foils for Cruising and/or Cruiser/Racer Trimarans?

    Doug Lord, Feb 26, 2019
    Replies:
    5
    Views:
    320
    Doug Lord
    Mar 8, 2019
  7. Gianf1041

    finding the centre of effort....help

    Gianf1041, Feb 26, 2019
    Replies:
    6
    Views:
    346
    Gianf1041
    Mar 4, 2019
  8. Briandesi

    Searching for a previous project.

    Briandesi, Mar 2, 2019
    Replies:
    3
    Views:
    164
    Mr Efficiency
    Mar 2, 2019
  9. Gary Baigent

    Historical multihulls

    Gary Baigent, Feb 26, 2012 ... 87 88 89
    Replies:
    1,321
    Views:
    317,618
    Doug Lord
    Mar 2, 2019
  10. markstrimaran

    18' Trimaran built for camping. Cutter rigged.

    markstrimaran, Feb 25, 2017 ... 2 3
    Replies:
    38
    Views:
    5,970
    markstrimaran
    Feb 28, 2019
  11. Chotu

    Partially Complete Catamaran Need COI Help

    Chotu, Feb 26, 2019
    Replies:
    1
    Views:
    264
    fallguy
    Feb 26, 2019
  12. Doug Lord

    Curved Lifting Foils on Cruising Cats??

    Doug Lord, Sep 4, 2011 ... 2 3
    Replies:
    34
    Views:
    4,178
    Angélique
    Feb 25, 2019
  13. Doug Lord

    Stunning Fleet for RORC Caribbean 600 Feb 18,2019

    Doug Lord, Dec 21, 2018 ... 2
    Replies:
    23
    Views:
    728
    Doug Lord
    Feb 22, 2019
  14. buzzman

    45 ft part built tri on craigslist Mass.

    buzzman, Jun 13, 2018 ... 2 3
    Replies:
    40
    Views:
    2,923
    Angélique
    Feb 22, 2019
  15. ElGringo

    Hypothetical Question - can the point where wakes cross between hulls be moved by hull shape?

    ElGringo, Feb 12, 2019 ... 2 3
    Replies:
    33
    Views:
    1,002
    Ad Hoc
    Feb 21, 2019
  16. Doug Lord

    Argo capsizes in training for the RORC 600-crew ok

    Doug Lord, Feb 16, 2019
    Replies:
    2
    Views:
    222
    Doug Lord
    Feb 16, 2019
  17. Dolfiman

    Ultims in Transat Jacques Vabre

    Dolfiman, Oct 29, 2017 ... 3 4 5
    Replies:
    66
    Views:
    3,317
    Dolfiman
    Feb 16, 2019
  18. Doug Lord

    The Untold Story of Waka or How TNZ Changed the World

    Doug Lord, Feb 14, 2019
    Replies:
    1
    Views:
    210
    Doug Lord
    Feb 14, 2019
  19. garypotgieter

    40' cat build

    garypotgieter, Feb 10, 2019 ... 2
    Replies:
    17
    Views:
    774
    Angélique
    Feb 14, 2019
  20. Kentaro

    Plans for an OC1 or Va'a outrigger canoe

    Kentaro, Mar 18, 2016
    Replies:
    1
    Views:
    1,649
    geronimo2168
    Feb 11, 2019
  21. Doug Halsey

    Onboard Video - Hydrofoil Trimaran Broomstick

    Doug Halsey, Dec 28, 2011 ... 2
    Replies:
    25
    Views:
    5,579
    alan craig
    Feb 11, 2019
  22. TwoBirds

    Wa'apa outrigger canoe proa/trimaran build

    TwoBirds, Oct 24, 2017
    Replies:
    5
    Views:
    2,602
    geronimo2168
    Feb 11, 2019
  23. TwoBirds

    Dipping lug on a proa?

    TwoBirds, Jan 13, 2018
    Replies:
    12
    Views:
    1,069
    Richard Woods
    Feb 9, 2019
  24. soulofasailor

    Reynolds 21 News

    soulofasailor, Aug 26, 2018
    Replies:
    1
    Views:
    422
    Clent Trammell
    Feb 8, 2019
  25. Corley

    Spindrift team Jules Verne Trophy record attempt

    Corley, Jan 15, 2019 ... 2 3 4
    Replies:
    51
    Views:
    1,583
    Doug Lord
    Feb 7, 2019
  26. MickH

    Unraveling the origin mysteries of my cat

    MickH, Feb 1, 2019
    Replies:
    3
    Views:
    408
    Angélique
    Feb 5, 2019
  27. Eliseviv

    Shockwave 37 History

    Eliseviv, Jan 18, 2011 ... 2 3
    Replies:
    38
    Views:
    9,706
    Bruce Woods
    Jan 30, 2019
  28. Libertist

    New 850 tri by Erik Lerouge

    Libertist, May 26, 2017
    Replies:
    14
    Views:
    2,504
    Libertist
    Jan 26, 2019
  29. Doug Lord

    Martin Fischer-Catamaran Daggerboard position: foiler and convertible--

    Doug Lord, Jan 24, 2019
    Replies:
    0
    Views:
    236
    Doug Lord
    Jan 24, 2019
  30. MichaelRoberts

    Wing mast prebend

    MichaelRoberts, Jan 15, 2019
    Replies:
    8
    Views:
    544
    Erwan
    Jan 24, 2019
  31. member 63369

    Wharram trimaran

    member 63369, Jan 21, 2019 ... 2
    Replies:
    25
    Views:
    1,083
    Angélique
    Jan 23, 2019
  32. Doug Lord

    Banque Populaire XI- New ULTIM for 2020-21 by VPLP

    Doug Lord, Jan 22, 2019
    Replies:
    2
    Views:
    233
    Doug Lord
    Jan 22, 2019
  33. Dolfiman

    Banque Populaire IX - Ultim 32m Trimaran foiler

    Dolfiman, Oct 16, 2017 ... 2 3
    Replies:
    43
    Views:
    5,666
    Doug Lord
    Jan 22, 2019
  34. Doug Lord

    Lifting Foil on Trimaran Daggerboard- Martin vs Maserati

    Doug Lord, Apr 3, 2017
    Replies:
    8
    Views:
    2,202
    Doug Lord
    Jan 20, 2019
  35. UNCIVILIZED

    DIY Wing Mast Questions

    UNCIVILIZED, Jul 30, 2017
    Replies:
    3
    Views:
    1,433
    tspeer
    Jan 18, 2019
  36. Owly

    simple amas for canoe-tri

    Owly, Jan 4, 2019 ... 2
    Replies:
    29
    Views:
    1,065
    Owly
    Jan 16, 2019
  37. Doug Lord

    Flying Trimaran Project-Marc Thiercelin

    Doug Lord, Jan 1, 2019
    Replies:
    2
    Views:
    398
    Dolfiman
    Jan 15, 2019
  38. oldsailor7

    Buccaneer 24 Builders Forum

    oldsailor7, Jul 22, 2009 ... 187 188 189
    Replies:
    2,832
    Views:
    502,652
    freddyj
    Jan 12, 2019
  39. surf boat man

    Australian surf boat conversion

    surf boat man, Sep 24, 2008 ... 2 3
    Replies:
    37
    Views:
    18,610
    Tiddles
    Jan 3, 2019
  40. Lurch723

    A small tri project

    Lurch723, Sep 25, 2017 ... 2
    Replies:
    26
    Views:
    3,007
    Lurch723
    Jan 1, 2019
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