Multihulls

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

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  1. Catbuild

    Help Choosing Kit for Cat @ 43

    Catbuild, Nov 9, 2020 ... 2
    Replies:
    15
    Views:
    2,886
    Steve W
    Nov 28, 2020
  2. SPC

    Crossbar hydrofoil

    SPC, Nov 26, 2020
    Replies:
    4
    Views:
    1,724
    Heimfried
    Nov 26, 2020
  3. Dolfiman

    Trophée Jules Vernes 2020

    Dolfiman, Nov 3, 2020
    Replies:
    2
    Views:
    1,402
    Dolfiman
    Nov 25, 2020
  4. Corley

    Formula 40 singlehanded trimaran build log

    Corley, Aug 24, 2011 ... 17 18 19
    Replies:
    274
    Views:
    88,151
    Corley
    Nov 20, 2020
  5. lausl

    Resistance calculation of a "very" hard chine catamaran

    lausl, Nov 17, 2020
    Replies:
    14
    Views:
    3,025
    lausl
    Nov 20, 2020
  6. Mark Wybierala

    Little fishing floaty thing

    Mark Wybierala, Nov 4, 2020
    Replies:
    11
    Views:
    2,213
    Mark Wybierala
    Nov 18, 2020
  7. Chotu

    Figuring out a Carbon Rig, Starting with a Known Aluminum Rig?

    Chotu, Nov 4, 2020
    Replies:
    3
    Views:
    1,748
    fastsailing
    Nov 16, 2020
  8. Cedric Oberman

    10ft Beach Catamaran - Too Small?

    Cedric Oberman, Nov 10, 2020
    Replies:
    10
    Views:
    3,344
    patzefran
    Nov 14, 2020
  9. yanivmass

    Impressed current cathodic protection (ICCP) for aluminum multihull

    yanivmass, Nov 8, 2020
    Replies:
    3
    Views:
    2,597
    Ad Hoc
    Nov 12, 2020
  10. Scuff

    Daggerboard wear blocks?

    Scuff, Nov 12, 2020
    Replies:
    3
    Views:
    1,369
    Scuff
    Nov 12, 2020
  11. midlifecrisis

    Short hull trimaran

    midlifecrisis, May 12, 2019 ... 2 3
    Replies:
    36
    Views:
    5,471
    drivejunk
    Nov 10, 2020
  12. Doug Lord

    Macif- out of multihulls!

    Doug Lord, Jun 12, 2020
    Replies:
    1
    Views:
    1,993
    Dolfiman
    Oct 31, 2020
  13. eiasu

    Which small trimaran for cruising/charter

    eiasu, Oct 21, 2020
    Replies:
    4
    Views:
    2,182
    eiasu
    Oct 31, 2020
  14. Derek_9103

    Calculating expected heel for trimaran

    Derek_9103, Apr 29, 2020 ... 2
    Replies:
    27
    Views:
    5,349
    SSDD
    Oct 31, 2020
  15. Le_skipper

    Catamaran hull cross-section

    Le_skipper, Oct 22, 2020
    Replies:
    6
    Views:
    3,661
    fallguy
    Oct 22, 2020
  16. Doug Lord

    Gunboat G4 with UptiP Foils

    Doug Lord, May 12, 2014 ... 13 14 15
    Replies:
    215
    Views:
    53,823
    OzFred
    Oct 22, 2020
  17. Eliseviv

    Shockwave 37 History

    Eliseviv, Jan 18, 2011 ... 2 3
    Replies:
    39
    Views:
    15,167
    Pil007
    Oct 19, 2020
  18. skyl4rk

    Wisconsin Proa

    skyl4rk, Oct 17, 2020
    Replies:
    0
    Views:
    1,143
    skyl4rk
    Oct 17, 2020
  19. TDG

    Early Stage Structural Estimation

    TDG, Oct 13, 2020
    Replies:
    7
    Views:
    1,666
    TDG
    Oct 16, 2020
  20. Tom2x4

    Where plans go to die?

    Tom2x4, Oct 7, 2020 ... 2 3
    Replies:
    39
    Views:
    5,999
    David L. Dodd II
    Oct 14, 2020
  21. srimes

    Characteristics of narrow-beam catamarans

    srimes, Oct 6, 2020
    Replies:
    13
    Views:
    4,902
    redreuben
    Oct 8, 2020
  22. rael dobkins

    8 Years of Multihull design, result in this!

    rael dobkins, Oct 7, 2020
    Replies:
    0
    Views:
    4,034
    rael dobkins
    Oct 7, 2020
  23. Doug Lord

    Sodebo Ultim 3 Foiling Trimaran

    Doug Lord, Jan 1, 2019 ... 2 3
    Replies:
    38
    Views:
    8,880
    Dolfiman
    Oct 7, 2020
  24. Cholsson

    Is Corsair Dash 750 seaworthy for the race?

    Cholsson, Sep 26, 2020
    Replies:
    3
    Views:
    2,120
    luckystrike
    Oct 5, 2020
  25. MaddMatt

    Plans with CNC option?

    MaddMatt, Oct 4, 2020
    Replies:
    5
    Views:
    1,629
    bajansailor
    Oct 4, 2020
  26. Doug Lord

    Gitana 17-100' Trimaran Foiler-Launch 7/17/17

    Doug Lord, Jul 13, 2017 ... 11 12 13
    Replies:
    188
    Views:
    28,923
    Dolfiman
    Sep 29, 2020
  27. fallguy

    Anchor locations and placements

    fallguy, Sep 28, 2020
    Replies:
    2
    Views:
    1,391
    Blueknarr
    Sep 28, 2020
  28. waynemarlow

    22 - 24 trimaran

    waynemarlow, Jul 22, 2008 ... 15 16 17
    Replies:
    251
    Views:
    124,711
    W17 designer
    Sep 24, 2020
  29. Trevlyns

    Asymmetric hulls

    Trevlyns, Oct 15, 2006 ... 2 3
    Replies:
    33
    Views:
    29,967
    DCockey
    Sep 22, 2020
  30. big-boss

    Waterworld Trimaran

    big-boss, Mar 25, 2008 ... 2
    Replies:
    24
    Views:
    75,616
    cole k santos
    Sep 22, 2020
  31. Chotu

    Recommendation For Books Detailing Fit Out Minutia?

    Chotu, Jun 11, 2020
    Replies:
    10
    Views:
    1,934
    Rumars
    Sep 6, 2020
  32. brendan gardam

    reduce catamaran beam

    brendan gardam, Feb 11, 2020 ... 2 3
    Replies:
    32
    Views:
    5,707
    Mr Efficiency
    Sep 6, 2020
  33. brendan gardam

    tunnel clearance

    brendan gardam, Sep 2, 2020
    Replies:
    8
    Views:
    1,727
    Ad Hoc
    Sep 5, 2020
  34. Libertist

    Mast profile list - weight, specs, etc

    Libertist, Sep 1, 2020
    Replies:
    1
    Views:
    1,274
    Libertist
    Sep 1, 2020
  35. Mark O Hara

    Changing Catamaran Beams from Wood to Composite.

    Mark O Hara, Aug 4, 2020 ... 4 5 6
    Replies:
    78
    Views:
    13,443
    brian eiland
    Aug 28, 2020
  36. brian eiland

    X-Beam and the Giant

    brian eiland, Nov 12, 2006 ... 2 3
    Replies:
    35
    Views:
    14,937
    brian eiland
    Aug 28, 2020
  37. Slingshot

    Internal Web for composite dagger board or wing mast?

    Slingshot, Jul 29, 2020
    Replies:
    6
    Views:
    1,811
    oldmulti
    Aug 14, 2020
  38. Brian Fanner

    Flyfishing kick boat cat

    Brian Fanner, Jul 6, 2020 ... 2
    Replies:
    23
    Views:
    3,628
    Brian Fanner
    Aug 12, 2020
  39. magwas

    Hobie 18F centerboard box repair?

    magwas, Aug 5, 2020
    Replies:
    4
    Views:
    1,652
    philSweet
    Aug 9, 2020
  40. andybrnr

    Warren Light Craft Tandem Sail manuals/rigging guide?

    andybrnr, Aug 6, 2020
    Replies:
    4
    Views:
    1,899
    upchurchmr
    Aug 7, 2020
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