Multihulls

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

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  1. Brorsan

    Scarab 16

    Brorsan, Feb 6, 2011 ... 8 9 10
    Replies:
    140
    Views:
    42,233
    Nedelin Karnolski
    Apr 1, 2020
  2. shrijeet mishra

    generating catamaran model from a given offset of single hull

    shrijeet mishra, Feb 27, 2020
    Replies:
    8
    Views:
    533
    shrijeet mishra
    Mar 31, 2020
  3. rob denney

    Replacing outboard motors with sail in the Marshall islands

    rob denney, Feb 22, 2020 ... 2
    Replies:
    18
    Views:
    1,112
    rob denney
    Mar 31, 2020
  4. Manfred.pech

    Everglades Challenge 2020

    Manfred.pech, Mar 18, 2020
    Replies:
    4
    Views:
    611
    Manfred.pech
    Mar 28, 2020
  5. Owly

    Hobie Hulls (buyer's remorse)

    Owly, Feb 22, 2020 ... 2 3 4
    Replies:
    49
    Views:
    1,547
    Owly
    Mar 27, 2020
  6. revintage

    Waterstays on rearbeam

    revintage, Mar 24, 2020
    Replies:
    0
    Views:
    229
    revintage
    Mar 24, 2020
  7. brendan gardam

    square top sail

    brendan gardam, Mar 16, 2020
    Replies:
    12
    Views:
    517
    brendan gardam
    Mar 22, 2020
  8. brendan gardam

    gunter rig on a 23 ft cat

    brendan gardam, Mar 2, 2020
    Replies:
    5
    Views:
    432
    Rumars
    Mar 4, 2020
  9. BobBill

    Shear-web ?

    BobBill, Feb 28, 2020
    Replies:
    7
    Views:
    375
    BobBill
    Mar 1, 2020
  10. Samnz

    Buccaneer 24 Trimaran

    Samnz, Dec 1, 2008 ... 37 38 39
    Replies:
    582
    Views:
    181,214
    freddyj
    Feb 20, 2020
  11. cluttonfred

    Easily trailerable catamaran weekend boat

    cluttonfred, May 23, 2019
    Replies:
    7
    Views:
    1,423
    Richard Woods
    Feb 16, 2020
  12. markstrimaran

    18' Trimaran built for camping. Cutter rigged.

    markstrimaran, Feb 25, 2017 ... 2 3 4
    Replies:
    51
    Views:
    8,344
    Onefish
    Feb 14, 2020
  13. Doug Lord

    Maserati-- 70' Ocean Racing Foiler

    Doug Lord, Feb 12, 2017 ... 13 14 15
    Replies:
    220
    Views:
    15,335
    Doug Lord
    Feb 13, 2020
  14. guzzis3

    a better tiki 21

    guzzis3, May 7, 2019 ... 11 12 13
    Replies:
    189
    Views:
    15,346
    Mark Waters
    Feb 11, 2020
  15. revintage

    Early UK foiling cats and tris, Mayfly and Force8

    revintage, Feb 6, 2020
    Replies:
    3
    Views:
    382
    Richard Woods
    Feb 8, 2020
  16. Burger

    Easy Catamarans: Snells retired?

    Burger, Dec 21, 2019
    Replies:
    4
    Views:
    1,332
    Burger
    Feb 6, 2020
  17. rael dobkins

    Proa Design, Why Make a Model? HAVAYA 30

    rael dobkins, Feb 2, 2020
    Replies:
    0
    Views:
    384
    rael dobkins
    Feb 2, 2020
  18. useragentseven

    Experimental Catamaran Hull Rocker

    useragentseven, Jan 27, 2020
    Replies:
    8
    Views:
    754
    useragentseven
    Feb 1, 2020
  19. Onefish

    Aluminum tube sectioned mast

    Onefish, Jan 29, 2020 ... 2
    Replies:
    22
    Views:
    744
    Onefish
    Jan 31, 2020
  20. isvara

    a radical form of propulsion

    isvara, Nov 25, 2019 ... 2
    Replies:
    29
    Views:
    1,796
    cavalier mk2
    Jan 17, 2020
  21. Time2Tri

    Swim Ladders for Trimarans

    Time2Tri, Apr 19, 2017
    Replies:
    14
    Views:
    1,469
    cavalier mk2
    Jan 17, 2020
  22. SV Pororoca

    How a proa works / I'm making a 45ft one in Aluminum

    SV Pororoca, Jan 8, 2020
    Replies:
    12
    Views:
    858
    BrissoDamo
    Jan 11, 2020
  23. Time2Tri

    Outboard Motor mounts other than transom

    Time2Tri, Jan 2, 2020
    Replies:
    13
    Views:
    710
    Time2Tri
    Jan 7, 2020
  24. gmoulder

    Foam catamaran kayak

    gmoulder, Dec 2, 2019
    Replies:
    12
    Views:
    789
    clmanges
    Jan 6, 2020
  25. FantasyTrimaran

    A few trimaran design questions

    FantasyTrimaran, Dec 20, 2019
    Replies:
    7
    Views:
    978
    oldmulti
    Jan 3, 2020
  26. Nordschleife

    Foiling Cat Project

    Nordschleife, Jan 3, 2020
    Replies:
    2
    Views:
    457
    Nordschleife
    Jan 3, 2020
  27. Time2Tri

    1967 Kelsall Trimaran "Trifle"

    Time2Tri, Mar 24, 2017
    Replies:
    8
    Views:
    2,420
    Skeezix
    Jan 2, 2020
  28. Dolfiman

    Brest Atlantiques 2019 - Ultims

    Dolfiman, Oct 31, 2019 ... 3 4 5
    Replies:
    62
    Views:
    2,287
    Doug Lord
    Dec 23, 2019
  29. Iain Gordon

    What make/type is this catamaran

    Iain Gordon, Dec 18, 2019
    Replies:
    2
    Views:
    638
    Iain Gordon
    Dec 18, 2019
  30. patrik111

    Rapido 40, 50 Folding system

    patrik111, Nov 8, 2019
    Replies:
    8
    Views:
    909
    John Perry
    Dec 18, 2019
  31. KSONeill

    Discovery 20

    KSONeill, Oct 14, 2018 ... 2
    Replies:
    15
    Views:
    1,620
    upchurchmr
    Dec 17, 2019
  32. ProBoat

    Two current articles about catamarans in Professional BoatBuilder magazine

    ProBoat, Dec 9, 2019
    Replies:
    0
    Views:
    639
    ProBoat
    Dec 9, 2019
  33. Skullduggerydave

    Kangaroo Island 26 foot trimaran identification

    Skullduggerydave, Nov 26, 2019
    Replies:
    11
    Views:
    759
    Skullduggerydave
    Dec 5, 2019
  34. barrymac

    carbon spar cross beam augmentation

    barrymac, Nov 28, 2019
    Replies:
    13
    Views:
    616
    barrymac
    Dec 4, 2019
  35. Doug Lord

    New Catamaran Foilers

    Doug Lord, Nov 18, 2014 ... 8 9 10
    Replies:
    135
    Views:
    32,167
    Doug Lord
    Dec 4, 2019
  36. revintage

    Has anyone seen this foiling cat before?

    revintage, Nov 30, 2019
    Replies:
    3
    Views:
    548
    revintage
    Dec 3, 2019
  37. Doug Lord

    New Trimaran Foilers

    Doug Lord, Jun 8, 2016 ... 17 18 19
    Replies:
    271
    Views:
    31,942
    Vantage475T
    Nov 30, 2019
  38. Paul B

    Nothing new under the sun

    Paul B, Mar 4, 2013 ... 2
    Replies:
    20
    Views:
    2,737
    aerohydro_NZ
    Nov 23, 2019
  39. Barnian

    A short story of the building of the proa 'JacKnife'

    Barnian, Sep 23, 2019
    Replies:
    2
    Views:
    794
    valery gaulin
    Nov 20, 2019
  40. Owly

    simple amas for canoe-tri

    Owly, Jan 4, 2019 ... 2 3 4
    Replies:
    47
    Views:
    3,496
    nwguy
    Nov 20, 2019
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