Multihulls

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

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  1. rael dobkins

    Breaking the rules, Balkan Shipyards.

    rael dobkins, Jun 12, 2018
    Replies:
    8
    Views:
    437
    rael dobkins
    Jun 13, 2018
  2. teamcallander

    Power trimaran world cruiser

    teamcallander, May 13, 2017
    Replies:
    5
    Views:
    1,772
    AquaDive
    Jun 13, 2018
  3. JCaprani

    Ontong Java II by Hans Klaar

    JCaprani, May 3, 2012 ... 2 3
    Replies:
    39
    Views:
    11,840
    Angélique
    Jun 11, 2018
  4. Corley

    Tremolino tales

    Corley, Aug 24, 2017 ... 2
    Replies:
    27
    Views:
    3,319
    trip the light fandango
    Jun 9, 2018
  5. peterbike

    Proa thread

    peterbike, May 30, 2018
    Replies:
    3
    Views:
    478
    rwatson
    Jun 7, 2018
  6. peterbike

    Some interesting viewing - if you haven't already seen it ?

    peterbike, Jun 7, 2018
    Replies:
    0
    Views:
    290
    peterbike
    Jun 7, 2018
  7. Doug Lord

    A Cat on fire!(going very fast) / M2 on foils

    Doug Lord, Jun 1, 2018
    Replies:
    3
    Views:
    478
    Doug Halsey
    Jun 7, 2018
  8. peterbike

    Cat ketch trimaran

    peterbike, May 23, 2018
    Replies:
    12
    Views:
    878
    Gary Baigent
    Jun 3, 2018
  9. goodwilltoall

    LVL Crossbeams

    goodwilltoall, May 20, 2018 ... 2 3
    Replies:
    40
    Views:
    1,302
    redreuben
    Jun 1, 2018
  10. Moewaka

    Cruising cat design

    Moewaka, Jun 25, 2016 ... 3 4 5
    Replies:
    61
    Views:
    9,358
    Niclas Vestman
    May 31, 2018
  11. Dolfiman

    Banque Populaire IX - Ultim 32m Trimaran foiler

    Dolfiman, Oct 16, 2017 ... 2 3
    Replies:
    37
    Views:
    3,646
    Dolfiman
    May 30, 2018
  12. magentawave

    Anyone installed an outboard motor sled to a Searunner 34?

    magentawave, May 24, 2018
    Replies:
    1
    Views:
    224
    PAR
    May 24, 2018
  13. RHP

    Jim Brown Searunner 42

    RHP, May 23, 2018
    Replies:
    9
    Views:
    360
    magentawave
    May 24, 2018
  14. Dolfiman

    "Le Trophée des Multicoques" revival 28-31 August 2018

    Dolfiman, May 19, 2018
    Replies:
    3
    Views:
    285
    Doug Lord
    May 23, 2018
  15. Bigfork

    Scored a Donor Cat, What is it?

    Bigfork, May 21, 2018
    Replies:
    8
    Views:
    459
    Ike
    May 23, 2018
  16. jdory

    Need help with headsail, genoa track and cars

    jdory, May 22, 2018
    Replies:
    5
    Views:
    248
    JosephT
    May 22, 2018
  17. Doug Lord

    Foiling Windsurfer vs Foiling Cat

    Doug Lord, May 22, 2018
    Replies:
    0
    Views:
    241
    Doug Lord
    May 22, 2018
  18. Doug Lord

    Uptip Foils

    Doug Lord, Oct 24, 2016 ... 2
    Replies:
    26
    Views:
    3,304
    Doug Lord
    May 21, 2018
  19. BobBill

    Foils (Bruce?) Question

    BobBill, Feb 1, 2012 ... 2
    Replies:
    28
    Views:
    3,330
    Doug Lord
    May 21, 2018
  20. outside the box

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

    outside the box, Jan 21, 2015 ... 5 6 7
    Replies:
    103
    Views:
    19,728
    buzzman
    May 20, 2018
  21. Dolfiman

    Ultims 2018-2019

    Dolfiman, Mar 29, 2018 ... 2 3 4
    Replies:
    49
    Views:
    2,046
    Doug Lord
    May 19, 2018
  22. trip the light fandango

    Alering the floats/amas of an early Tremolino

    trip the light fandango, Apr 17, 2018 ... 2
    Replies:
    24
    Views:
    1,239
    trip the light fandango
    May 19, 2018
  23. Rolf Nilsen

    Earl Edwards Rave picklefork

    Rolf Nilsen, Dec 18, 2007 ... 2
    Replies:
    20
    Views:
    5,466
    BlueBell
    May 16, 2018
  24. Trailtoy1993

    Fast Cat for cargo carrying and research input needed

    Trailtoy1993, May 10, 2018 ... 2
    Replies:
    18
    Views:
    788
    rwatson
    May 15, 2018
  25. riskmore

    Foil assist cruising cat possible?

    riskmore, May 12, 2018
    Replies:
    10
    Views:
    555
    Ad Hoc
    May 14, 2018
  26. mrybas

    Cracks in window frame. How to fix?

    mrybas, Mar 4, 2018 ... 2
    Replies:
    22
    Views:
    853
    mrybas
    May 14, 2018
  27. kelldog

    Brine Shrimp Catamaran

    kelldog, Aug 8, 2017 ... 2
    Replies:
    25
    Views:
    2,655
    kelldog
    May 13, 2018
  28. Gary Baigent

    Historical multihulls

    Gary Baigent, Feb 26, 2012 ... 86 87 88
    Replies:
    1,310
    Views:
    304,656
    buzzman
    May 9, 2018
  29. oldsailor7

    Hedley Nicol Trimaran Plans

    oldsailor7, Mar 12, 2010 ... 29 30 31
    Replies:
    463
    Views:
    101,423
    Learjet
    May 8, 2018
  30. markstrimaran

    18' Trimaran built for camping. Cutter rigged.

    markstrimaran, Feb 25, 2017 ... 2 3
    Replies:
    35
    Views:
    4,772
    trip the light fandango
    May 6, 2018
  31. mrjo

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

    mrjo, Apr 30, 2018
    Replies:
    4
    Views:
    398
    mrjo
    May 2, 2018
  32. ruysg

    Books on catamaran design and principles

    ruysg, Apr 30, 2018
    Replies:
    5
    Views:
    548
    dsigned
    May 1, 2018
  33. Doug Lord

    Vampire Cat with Canted T-foils

    Doug Lord, Sep 4, 2014 ... 2
    Replies:
    27
    Views:
    5,815
    bjn
    May 1, 2018
  34. guzzis3

    Fish and Chips

    guzzis3, Apr 8, 2017 ... 2
    Replies:
    17
    Views:
    1,591
    redreuben
    Apr 30, 2018
  35. massandspace

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

    massandspace, Jan 15, 2018
    Replies:
    9
    Views:
    1,017
    gonzo
    Apr 30, 2018
  36. waynemarlow

    Best free photo storage for the forum

    waynemarlow, Apr 29, 2018
    Replies:
    6
    Views:
    222
    Boat Design Net Moderator
    Apr 30, 2018
  37. John Coulson

    considering building Kurt Hughes

    John Coulson, Mar 12, 2018 ... 2 3
    Replies:
    31
    Views:
    2,679
    Corley
    Apr 26, 2018
  38. Doug Lord

    Hollow Sections aft on ULTIME Trimaran Amas

    Doug Lord, Mar 28, 2018 ... 2
    Replies:
    28
    Views:
    1,227
    trip the light fandango
    Apr 25, 2018
  39. yigitozturk

    A row-sail, any sense?

    yigitozturk, Apr 22, 2018
    Replies:
    1
    Views:
    298
    PAR
    Apr 22, 2018
  40. Konstanty

    Tanker proa

    Konstanty, Apr 18, 2016 ... 5 6 7
    Replies:
    97
    Views:
    6,448
    gonzo
    Apr 18, 2018
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