Multihulls

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

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  1. Trailtoy1993

    Fast Cat for cargo carrying and research input needed

    Trailtoy1993, May 10, 2018 ... 2
    Replies:
    18
    Views:
    609
    rwatson
    May 15, 2018
  2. riskmore

    Foil assist cruising cat possible?

    riskmore, May 12, 2018
    Replies:
    10
    Views:
    399
    Ad Hoc
    May 14, 2018
  3. mrybas

    Cracks in window frame. How to fix?

    mrybas, Mar 4, 2018 ... 2
    Replies:
    22
    Views:
    764
    mrybas
    May 14, 2018
  4. kelldog

    Brine Shrimp Catamaran

    kelldog, Aug 8, 2017 ... 2
    Replies:
    25
    Views:
    2,516
    kelldog
    May 13, 2018
  5. Gary Baigent

    Historical multihulls

    Gary Baigent, Feb 26, 2012 ... 86 87 88
    Replies:
    1,310
    Views:
    301,357
    buzzman
    May 9, 2018
  6. oldsailor7

    Hedley Nicol Trimaran Plans

    oldsailor7, Mar 12, 2010 ... 29 30 31
    Replies:
    463
    Views:
    100,069
    Learjet
    May 8, 2018
  7. markstrimaran

    18' Trimaran built for camping. Cutter rigged.

    markstrimaran, Feb 25, 2017 ... 2 3
    Replies:
    35
    Views:
    4,547
    trip the light fandango
    May 6, 2018
  8. Doug Lord

    New Catamaran Foilers

    Doug Lord, Nov 18, 2014 ... 7 8 9
    Replies:
    124
    Views:
    24,669
    Doug Lord
    May 6, 2018
  9. mrjo

    "Cliffhanger" 42' Lex Nicol tri. I have just bought it, looking for info

    mrjo, Apr 30, 2018
    Replies:
    4
    Views:
    306
    mrjo
    May 2, 2018
  10. ruysg

    Books on catamaran design and principles

    ruysg, Apr 30, 2018
    Replies:
    5
    Views:
    391
    dsigned
    May 1, 2018
  11. Doug Lord

    Vampire Cat with Canted T-foils

    Doug Lord, Sep 4, 2014 ... 2
    Replies:
    27
    Views:
    5,683
    bjn
    May 1, 2018
  12. guzzis3

    Fish and Chips

    guzzis3, Apr 8, 2017 ... 2
    Replies:
    17
    Views:
    1,492
    redreuben
    Apr 30, 2018
  13. massandspace

    Is boom vang needed on cat with long rear traveler track?

    massandspace, Jan 15, 2018
    Replies:
    9
    Views:
    923
    gonzo
    Apr 30, 2018
  14. waynemarlow

    Best free photo storage for the forum

    waynemarlow, Apr 29, 2018
    Replies:
    6
    Views:
    188
    Boat Design Net Moderator
    Apr 30, 2018
  15. PerthMini40man

    Foiling radio control trimarans

    PerthMini40man, Jun 9, 2016 ... 10 11 12
    Replies:
    176
    Views:
    9,371
    PerthMini40man
    Apr 29, 2018
  16. John Coulson

    considering building Kurt Hughes

    John Coulson, Mar 12, 2018 ... 2 3
    Replies:
    31
    Views:
    2,220
    Corley
    Apr 26, 2018
  17. Doug Lord

    Hollow Sections aft on ULTIME Trimaran Amas

    Doug Lord, Mar 28, 2018 ... 2
    Replies:
    28
    Views:
    1,039
    trip the light fandango
    Apr 25, 2018
  18. yigitozturk

    A row-sail, any sense?

    yigitozturk, Apr 22, 2018
    Replies:
    1
    Views:
    255
    PAR
    Apr 22, 2018
  19. Gary Baigent

    6.5 to 7.5 metre performance/cruise multihulls

    Gary Baigent, Feb 27, 2015 ... 24 25 26
    Replies:
    389
    Views:
    67,491
    warwick
    Apr 22, 2018
  20. Konstanty

    Tanker proa

    Konstanty, Apr 18, 2016 ... 5 6 7
    Replies:
    97
    Views:
    6,113
    gonzo
    Apr 18, 2018
  21. Doug Lord

    Flying Phantom F 18 Catamaran

    Doug Lord, Jul 13, 2012 ... 6 7 8
    Replies:
    107
    Views:
    45,720
    Doug Lord
    Apr 16, 2018
  22. Nautically Obsessed

    Please Sanity Check My Catamaran Design

    Nautically Obsessed, Mar 4, 2018 ... 2 3
    Replies:
    41
    Views:
    2,358
    upchurchmr
    Apr 11, 2018
  23. jorgepease

    CNC Plans not Included

    jorgepease, Sep 19, 2016 ... 64 65 66
    Replies:
    982
    Views:
    51,969
    Doug Lord
    Apr 8, 2018
  24. Doug Lord

    Super Foiler Grand Prix 2018-starts February

    Doug Lord, Jan 19, 2018 ... 2
    Replies:
    28
    Views:
    1,352
    Doug Lord
    Apr 8, 2018
  25. Skeezix

    Skip Johnson 42 tri performance?

    Skeezix, Mar 31, 2018
    Replies:
    3
    Views:
    387
    Skeezix
    Apr 1, 2018
  26. CardboardKing

    Lateen Rig on Hobie Cat?

    CardboardKing, Jan 30, 2018 ... 2 3
    Replies:
    33
    Views:
    1,372
    markstrimaran
    Mar 28, 2018
  27. Corley

    Article on Phillipine Banca hull forms

    Corley, Mar 28, 2018
    Replies:
    0
    Views:
    228
    Corley
    Mar 28, 2018
  28. Doug Lord

    IDEC Sport Refit Complete

    Doug Lord, Mar 24, 2018
    Replies:
    5
    Views:
    310
    Doug Lord
    Mar 28, 2018
  29. onekiwi

    Crowther 33 anyone?

    onekiwi, Mar 23, 2018
    Replies:
    1
    Views:
    421
    bruceb
    Mar 27, 2018
  30. SpiritWolf15x

    Mast splicing?

    SpiritWolf15x, Mar 5, 2013 ... 2 3
    Replies:
    39
    Views:
    4,040
    bruceb
    Mar 27, 2018
  31. markstrimaran

    Trailerable trimaran, rebuilt tandem axle

    markstrimaran, Mar 25, 2018
    Replies:
    4
    Views:
    344
    markstrimaran
    Mar 26, 2018
  32. ABD

    composite bowsprit

    ABD, Mar 26, 2018
    Replies:
    0
    Views:
    199
    ABD
    Mar 26, 2018
  33. GrahamR

    C foils

    GrahamR, Jan 14, 2018 ... 2
    Replies:
    29
    Views:
    1,409
    GrahamR
    Mar 22, 2018
  34. Clyde Burks

    Proa "mast"??

    Clyde Burks, Mar 22, 2018
    Replies:
    1
    Views:
    285
    JosephT
    Mar 22, 2018
  35. aussiebushman

    Amended single rudder for small sailing cat

    aussiebushman, Mar 13, 2018
    Replies:
    7
    Views:
    422
    aussiebushman
    Mar 21, 2018
  36. Doug Lord

    Automatic Foil Control Systems

    Doug Lord, May 11, 2017
    Replies:
    10
    Views:
    1,018
    bjn
    Mar 16, 2018
  37. John Coulson

    Aluminium Cat designs

    John Coulson, Mar 14, 2018
    Replies:
    7
    Views:
    434
    hump101
    Mar 14, 2018
  38. Richard Hasse

    Catamaran Rowboat

    Richard Hasse, Mar 9, 2018
    Replies:
    8
    Views:
    516
    Nautically Obsessed
    Mar 14, 2018
  39. Greg B

    Ngalawa/Dhow Mods

    Greg B, Mar 9, 2018
    Replies:
    0
    Views:
    171
    Greg B
    Mar 9, 2018
  40. Manfred.pech

    Everglades Challenge 2018

    Manfred.pech, Mar 3, 2018
    Replies:
    7
    Views:
    834
    Manfred.pech
    Mar 9, 2018
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