Multihulls

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

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  1. Doug Lord

    Maserati-- 70' Ocean Racing Foiler

    Doug Lord, Feb 12, 2017 ... 13 14 15
    Replies:
    214
    Views:
    13,039
    Doug Lord
    Jul 19, 2019
  2. InetRoadkill

    Cockpit location on a tri/pod cat hybrid.

    InetRoadkill, Jul 18, 2019
    Replies:
    2
    Views:
    245
    InetRoadkill
    Jul 19, 2019
  3. Gary Baigent

    6.5 to 7.5 metre performance/cruise multihulls

    Gary Baigent, Feb 27, 2015 ... 25 26 27
    Replies:
    403
    Views:
    75,332
    Gary Baigent
    Jul 19, 2019
  4. Vantage475T

    ISO Skiffmaran

    Vantage475T, Dec 23, 2016 ... 2
    Replies:
    25
    Views:
    8,472
    Vantage475T
    Jul 16, 2019
  5. trip the light fandango

    building new amas/floats from recycled beachcat hulls

    trip the light fandango, Apr 23, 2019 ... 2
    Replies:
    22
    Views:
    1,294
    trip the light fandango
    Jul 15, 2019
  6. revintage

    Second forestay chainplate on A-cat hull

    revintage, Jun 25, 2019 ... 2
    Replies:
    27
    Views:
    663
    revintage
    Jul 15, 2019
  7. 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:
    114
    Views:
    23,428
    oldmulti
    Jul 13, 2019
  8. markstrimaran

    18' Trimaran built for camping. Cutter rigged.

    markstrimaran, Feb 25, 2017 ... 2 3 4
    Replies:
    49
    Views:
    6,908
    markstrimaran
    Jul 12, 2019
  9. Samnz

    Buccaneer 24 Trimaran

    Samnz, Dec 1, 2008 ... 37 38 39
    Replies:
    579
    Views:
    176,284
    bruceb
    Jul 11, 2019
  10. sailhawaii

    Designing a 43' flat panel performance cruising catamaran

    sailhawaii, Jun 7, 2019
    Replies:
    9
    Views:
    815
    sailhawaii
    Jul 9, 2019
  11. Coastal Ogre

    Re-tabbing Bulkheads on a Production Catamaran

    Coastal Ogre, Jun 28, 2019
    Replies:
    10
    Views:
    420
    Coastal Ogre
    Jul 5, 2019
  12. Damon Cruz

    Horstman 45 rudder mod

    Damon Cruz, Jul 3, 2019
    Replies:
    2
    Views:
    153
    rberrey
    Jul 3, 2019
  13. waterbear

    Jarcat 6 verions, modifications etc.

    waterbear, Jun 28, 2019 ... 2
    Replies:
    17
    Views:
    629
    guzzis3
    Jul 2, 2019
  14. DennisRB

    Catamaran tender to replace rib?

    DennisRB, Jul 4, 2014 ... 3 4 5
    Replies:
    73
    Views:
    17,778
    Jolly Mon
    Jul 2, 2019
  15. Corley

    R2ak 2019

    Corley, Jun 3, 2019
    Replies:
    11
    Views:
    663
    Corley
    Jun 28, 2019
  16. Newickspark

    World crushing-Fast-under 30’ Tri

    Newickspark, Jun 17, 2019 ... 2
    Replies:
    24
    Views:
    961
    Doug Lord
    Jun 27, 2019
  17. Newickspark

    Ljungström Sail

    Newickspark, Jun 16, 2019 ... 2
    Replies:
    28
    Views:
    859
    peterbike
    Jun 22, 2019
  18. Doug Lord

    T2 Foiling Trimaran

    Doug Lord, May 29, 2019
    Replies:
    6
    Views:
    516
    Doug Lord
    Jun 21, 2019
  19. magwas

    Boat designer for a steel origami cat?

    magwas, Jun 17, 2019
    Replies:
    12
    Views:
    424
    guzzis3
    Jun 20, 2019
  20. Newickspark

    New idea for a camping Tri

    Newickspark, Jun 14, 2019
    Replies:
    1
    Views:
    261
    jamez
    Jun 16, 2019
  21. Wally2

    Recommend me an angle of attack for outboards on a catamaran

    Wally2, Jun 2, 2019
    Replies:
    9
    Views:
    466
    fastsailing
    Jun 9, 2019
  22. magentawave

    Questions about safety of CSK / Polycon Catamarans for cruising

    magentawave, Mar 13, 2019
    Replies:
    8
    Views:
    660
    fhrussell
    Jun 5, 2019
  23. Doug Lord

    Flying Phantom F 18 Catamaran

    Doug Lord, Jul 13, 2012 ... 6 7 8
    Replies:
    111
    Views:
    49,285
    Doug Lord
    Jun 4, 2019
  24. dsigned

    24ft Bluewater cat sketch

    dsigned, Dec 18, 2018 ... 2 3
    Replies:
    34
    Views:
    1,910
    Niclas Vestman
    Jun 4, 2019
  25. Kym Bouckaert

    Triwanderer Hedley Nicole

    Kym Bouckaert, Jun 3, 2019
    Replies:
    2
    Views:
    241
    Kym Bouckaert
    Jun 3, 2019
  26. Doug Lord

    20' and under trimaran beam-less than square, square or oversquare-and why.

    Doug Lord, May 15, 2019 ... 2
    Replies:
    17
    Views:
    756
    patzefran
    Jun 2, 2019
  27. Gary Baigent

    Historical multihulls

    Gary Baigent, Feb 26, 2012 ... 88 89 90
    Replies:
    1,342
    Views:
    322,587
    Doug Halsey
    May 30, 2019
  28. Owly

    simple amas for canoe-tri

    Owly, Jan 4, 2019 ... 2 3
    Replies:
    31
    Views:
    1,735
    Owly
    May 30, 2019
  29. buzzman

    45 ft part built tri on craigslist Mass.

    buzzman, Jun 13, 2018 ... 2 3
    Replies:
    44
    Views:
    3,835
    buzzman
    May 30, 2019
  30. WerpKerp

    RC 1/5 Scale AC50 Foiling Catamaran

    WerpKerp, Apr 29, 2019
    Replies:
    8
    Views:
    533
    WerpKerp
    May 29, 2019
  31. jamez

    Unusual 'foil' stabilised tri

    jamez, Dec 8, 2018 ... 2
    Replies:
    22
    Views:
    1,284
    Angélique
    May 28, 2019
  32. Doug Lord

    Macif Ultim Trimaran- to be relaunched in July 2018

    Doug Lord, Jun 17, 2018 ... 2
    Replies:
    26
    Views:
    2,199
    Doug Lord
    May 27, 2019
  33. cluttonfred

    Easily trailerable catamaran weekend boat

    cluttonfred, May 23, 2019
    Replies:
    1
    Views:
    420
    oldmulti
    May 26, 2019
  34. Eric Lundy

    Horizontal fin drive trimaran

    Eric Lundy, May 21, 2019
    Replies:
    3
    Views:
    330
    Doug Lord
    May 25, 2019
  35. Doug Lord

    GC 32 super cat

    Doug Lord, Oct 15, 2012 ... 15 16 17
    Replies:
    240
    Views:
    47,716
    Doug Lord
    May 23, 2019
  36. Will001

    Trimaran folding system attachment

    Will001, May 13, 2019 ... 2
    Replies:
    26
    Views:
    949
    W17 designer
    May 20, 2019
  37. SolGato

    Tremolino -mixing old with new

    SolGato, May 17, 2019
    Replies:
    14
    Views:
    560
    Corley
    May 19, 2019
  38. Doug Lord

    Worrell 1000 May 2019

    Doug Lord, Apr 14, 2019
    Replies:
    7
    Views:
    478
    Doug Lord
    May 19, 2019
  39. Tchamo

    Use foam core and plywood in a catamaran hull

    Tchamo, Apr 7, 2019 ... 2 3
    Replies:
    32
    Views:
    1,535
    trip the light fandango
    May 19, 2019
  40. SolGato

    My next electric catamaran project

    SolGato, May 15, 2019
    Replies:
    8
    Views:
    438
    coolmike
    May 17, 2019
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