Multihulls

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

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  1. Dolfiman

    Ultim Tri Macif round the world in solo

    Dolfiman, Nov 4, 2017 ... 5 6 7
    Replies:
    97
    Views:
    6,567
    Doug Lord
    Jan 26, 2018
  2. Kentaro

    Harry Proa Bucket list

    Kentaro, Apr 28, 2016 ... 2 3
    Replies:
    33
    Views:
    6,944
    Doug Lord
    Jan 24, 2018
  3. Doug Lord

    Dr. Sam Bradfield

    Doug Lord, Nov 18, 2012
    Replies:
    10
    Views:
    2,889
    Doug Lord
    Jan 22, 2018
  4. B. Arson

    Hedley Nicol 42'

    B. Arson, Jan 18, 2011 ... 2 3
    Replies:
    30
    Views:
    7,293
    cavalier mk2
    Jan 17, 2018
  5. Doug Lord

    Spindrift Dismasted

    Doug Lord, Jan 16, 2018
    Replies:
    1
    Views:
    532
    JosephT
    Jan 16, 2018
  6. andysailor

    Shorten mainsail track?

    andysailor, Jan 10, 2018
    Replies:
    4
    Views:
    492
    hump101
    Jan 11, 2018
  7. captainsideburn

    what is this Cat

    captainsideburn, Mar 16, 2009 ... 2 3
    Replies:
    30
    Views:
    9,513
    Attunga20man
    Jan 8, 2018
  8. UpOnStands

    Outremer with foil assist?

    UpOnStands, Dec 28, 2017
    Replies:
    4
    Views:
    978
    UpOnStands
    Jan 3, 2018
  9. guzzis3

    Self tacking main sails

    guzzis3, Dec 30, 2017
    Replies:
    9
    Views:
    1,139
    Richard Woods
    Jan 2, 2018
  10. valery gaulin

    Single main sail with unstayed mast on cruising catamaran?

    valery gaulin, Jan 5, 2017 ... 2 3
    Replies:
    31
    Views:
    6,855
    Cain
    Dec 30, 2017
  11. massandspace

    quad keels on cat??

    massandspace, Dec 23, 2017
    Replies:
    3
    Views:
    718
    pogo
    Dec 26, 2017
  12. Doug Lord

    Hybrid wing sail-used by Randy Smyth to win Everglades Challenge

    Doug Lord, Nov 28, 2017
    Replies:
    2
    Views:
    2,149
    David Cooper
    Dec 23, 2017
  13. Doug Lord

    WETA Company Foiler Development-a decade too early?

    Doug Lord, Dec 23, 2017
    Replies:
    0
    Views:
    428
    Doug Lord
    Dec 23, 2017
  14. Corley

    Team Actual and the solo Westabout circumnavigation

    Corley, Dec 6, 2017
    Replies:
    11
    Views:
    1,021
    wet feet
    Dec 22, 2017
  15. UpOnStands

    Lightwave 38 Keel design

    UpOnStands, Dec 21, 2017
    Replies:
    2
    Views:
    657
    UpOnStands
    Dec 21, 2017
  16. Pondlife

    Joining fibreglass beach cat hull.

    Pondlife, Dec 19, 2017
    Replies:
    9
    Views:
    796
    Pondlife
    Dec 21, 2017
  17. Owly

    Small Cat Payload Numbers (Woods / Kohler)

    Owly, Nov 23, 2017
    Replies:
    12
    Views:
    2,409
    Chuck Losness
    Dec 21, 2017
  18. Doug Lord

    Ian Farrier has passed on.......

    Doug Lord, Dec 11, 2017
    Replies:
    8
    Views:
    1,813
    Doug Lord
    Dec 13, 2017
  19. Doug Lord

    Foil Assisted F-22F by Ian Farrier

    Doug Lord, Dec 11, 2017
    Replies:
    0
    Views:
    961
    Doug Lord
    Dec 11, 2017
  20. John Charamella

    Globemaster 26 Tri

    John Charamella, Nov 22, 2017
    Replies:
    4
    Views:
    1,443
    outside the box
    Dec 8, 2017
  21. Manfred.pech

    New Wing Sail

    Manfred.pech, Apr 9, 2017 ... 2 3
    Replies:
    33
    Views:
    5,223
    bjn
    Nov 29, 2017
  22. Corley

    Nicol tri needs repair QLD

    Corley, Dec 15, 2011
    Replies:
    6
    Views:
    1,794
    cavalier mk2
    Nov 22, 2017
  23. yigitozturk

    Simple Exercise On A DIY Foiler Trimaran

    yigitozturk, Nov 12, 2017
    Replies:
    9
    Views:
    1,546
    yigitozturk
    Nov 19, 2017
  24. peterchech

    CSC 30 Catamaran- the coastal passage

    peterchech, Nov 29, 2011 ... 26 27 28
    Replies:
    416
    Views:
    88,793
    redreuben
    Nov 16, 2017
  25. Itsallaboutthebuild

    Trail-able 'no-fold' Catamaran 7.5 x 3.6 coastal cruiser

    Itsallaboutthebuild, Nov 10, 2017 ... 2 3
    Replies:
    33
    Views:
    3,114
    Itsallaboutthebuild
    Nov 13, 2017
  26. massandspace

    advice sought on sailing rig for mini-cruising catamaran

    massandspace, Nov 11, 2017
    Replies:
    4
    Views:
    1,215
    guzzis3
    Nov 11, 2017
  27. CardboardKing

    DIY Wing Seats for Hobie 16

    CardboardKing, Jul 1, 2016 ... 2
    Replies:
    16
    Views:
    4,662
    Aaron pence
    Nov 10, 2017
  28. umut aras

    Make your catamaran boat

    umut aras, Oct 28, 2017
    Replies:
    14
    Views:
    2,329
    Angélique
    Nov 9, 2017
  29. Clarkey

    Ballasted multihull thought experiment

    Clarkey, Oct 29, 2017
    Replies:
    10
    Views:
    883
    cavalier mk2
    Nov 2, 2017
  30. wizzwas

    Unique 5' remote control trimaran, thoughts and advice

    wizzwas, Sep 18, 2017
    Replies:
    14
    Views:
    1,236
    UpOnStands
    Oct 31, 2017
  31. guzzis3

    Beam design for a demountable catamaran

    guzzis3, Dec 21, 2016 ... 3 4 5
    Replies:
    67
    Views:
    7,152
    fallguy
    Oct 30, 2017
  32. Troyboi08

    Repair on a fiberglass hull

    Troyboi08, Oct 17, 2017 ... 2
    Replies:
    21
    Views:
    1,110
    guzzis3
    Oct 30, 2017
  33. Medicman

    Cutting a catamaran in half

    Medicman, Oct 14, 2017
    Replies:
    13
    Views:
    1,807
    Richard Woods
    Oct 29, 2017
  34. EscapeArtist

    Can solar energy power a catamaran?

    EscapeArtist, Sep 4, 2016 ... 3 4 5
    Replies:
    70
    Views:
    10,902
    pacific green
    Oct 27, 2017
  35. Corley

    L20 Beach trimaran

    Corley, Aug 28, 2012 ... 2
    Replies:
    15
    Views:
    3,050
    Lurch723
    Oct 25, 2017
  36. Steve W

    Modifying a sailing cat hull to operate as a powercat

    Steve W, Oct 14, 2017
    Replies:
    6
    Views:
    1,790
    Steve W
    Oct 22, 2017
  37. rapscallion

    multihull centerboard foil shapes

    rapscallion, Oct 16, 2017
    Replies:
    3
    Views:
    1,161
    brian eiland
    Oct 22, 2017
  38. hashtag_laeuft

    Design of 16' foot beach catamaran

    hashtag_laeuft, Aug 15, 2017 ... 2 3 4
    Replies:
    55
    Views:
    5,674
    waynemarlow
    Oct 18, 2017
  39. UpOnStands

    what would be the design cost?

    UpOnStands, Sep 26, 2017 ... 2
    Replies:
    21
    Views:
    1,678
    UpOnStands
    Oct 15, 2017
  40. dsigned

    Vernacular voyaging canoe design

    dsigned, Aug 28, 2017 ... 2 3
    Replies:
    36
    Views:
    2,992
    tspeer
    Oct 15, 2017
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