Multihulls

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

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  1. Cameron Bartlett

    Farrier TrailerTri 720 Centerboard lamination

    Cameron Bartlett, May 16, 2021
    Replies:
    10
    Views:
    2,123
    Russell Brown
    May 17, 2021
  2. santomas

    Mast corrosion - repair options?

    santomas, May 16, 2021
    Replies:
    11
    Views:
    3,650
    aussiebushman
    Jun 17, 2021
  3. SolGato

    SolGato’s Lateen Crab Claw Rig

    SolGato, May 12, 2021 ... 2
    Replies:
    15
    Views:
    3,098
    SolGato
    May 14, 2021
  4. seandepagnier

    making a daggerboard longer

    seandepagnier, May 7, 2021
    Replies:
    8
    Views:
    1,494
    catsketcher
    May 11, 2021
  5. Dolfiman

    Ultims are back in 2021

    Dolfiman, May 7, 2021 ... 2
    Replies:
    26
    Views:
    12,065
    Dolfiman
    Nov 24, 2021
  6. NewSalt

    Proa Shunting in Heavy Weather

    NewSalt, May 3, 2021 ... 2 3 4
    Replies:
    59
    Views:
    9,951
    rob denney
    Jun 7, 2021
  7. Philippe Lapere

    Advice on 20ft beachcat design and build

    Philippe Lapere, Apr 29, 2021 ... 2 3 4
    Replies:
    52
    Views:
    19,239
    Windward 54
    Feb 5, 2022
  8. Skyak

    Sail GP live on YT

    Skyak, Apr 25, 2021
    Replies:
    1
    Views:
    1,047
    Skyak
    Apr 25, 2021
  9. guzzis3

    4hp outboard

    guzzis3, Apr 25, 2021 ... 2
    Replies:
    25
    Views:
    10,663
    trip the light fandango
    Oct 26, 2021
  10. dustman

    How big would a catamaran have to be...?

    dustman, Apr 23, 2021
    Replies:
    12
    Views:
    2,336
    comfisherman
    Apr 25, 2021
  11. Charlyipad

    best way to stiffen a bridgedeck?

    Charlyipad, Apr 22, 2021
    Replies:
    11
    Views:
    1,967
    Charlyipad
    Apr 25, 2021
  12. Doug Lord

    Kite Foiler

    Doug Lord, Apr 22, 2021
    Replies:
    11
    Views:
    1,935
    Skyak
    Apr 26, 2021
  13. Muzammal

    Building 44' wooden tri with traditional planking

    Muzammal, Apr 19, 2021 ... 2
    Replies:
    20
    Views:
    3,801
    Dejay
    Apr 24, 2021
  14. JunkRat

    Seeking Tradewind route Statistical Data

    JunkRat, Apr 16, 2021
    Replies:
    7
    Views:
    1,387
    CocoonCruisers
    Apr 17, 2021
  15. Owly

    Design Spiral into Madness

    Owly, Apr 15, 2021 ... 2
    Replies:
    20
    Views:
    3,029
    guzzis3
    Apr 18, 2021
  16. Gary Curtis

    Query carbon rudder box layup and repair

    Gary Curtis, Apr 5, 2021
    Replies:
    2
    Views:
    1,458
    Ganzi
    Apr 24, 2021
  17. Lachie

    Hard v round bilge and leeway

    Lachie, Mar 23, 2021
    Replies:
    9
    Views:
    2,252
    guzzis3
    Apr 14, 2021
  18. SmallSpaceBigImagination

    Building hull in cross sections

    SmallSpaceBigImagination, Mar 22, 2021 ... 2 3 4
    Replies:
    55
    Views:
    7,826
    Mr Efficiency
    Mar 30, 2021
  19. Lachie

    Life is too short to fair above the waterline

    Lachie, Mar 19, 2021 ... 2 3 4
    Replies:
    49
    Views:
    15,442
    rael dobkins
    Jan 14, 2022
  20. guzzis3

    Seasickness

    guzzis3, Mar 18, 2021
    Replies:
    7
    Views:
    1,559
    Mr Efficiency
    Mar 19, 2021
  21. David L. Dodd II

    Car Toppable Trimaran Pocket Cruiser

    David L. Dodd II, Mar 15, 2021 ... 2
    Replies:
    21
    Views:
    5,066
    David L. Dodd II
    Apr 6, 2021
  22. Chris71

    Where do I start? Build a Trimaran from an Australian Surf Boat and Hobiecat

    Chris71, Mar 11, 2021 ... 2
    Replies:
    17
    Views:
    6,010
    buzzman
    Jun 30, 2021
  23. perry2222

    Daggerboard Dreaming

    perry2222, Mar 9, 2021
    Replies:
    6
    Views:
    1,623
    perry2222
    Mar 11, 2021
  24. perry2222

    Fitting a tiller to a cat with tie bar steering

    perry2222, Mar 9, 2021
    Replies:
    4
    Views:
    1,706
    jamez
    Mar 12, 2021
  25. jagercek

    Homemade Weta Trimaran

    jagercek, Mar 7, 2021
    Replies:
    10
    Views:
    3,720
    redreuben
    Mar 8, 2021
  26. BobBill

    Hook and Loop Sail

    BobBill, Mar 3, 2021
    Replies:
    4
    Views:
    1,482
    Olav
    Mar 4, 2021
  27. Coastal Ogre

    Multihull Bulkhead Refit Advice

    Coastal Ogre, Mar 1, 2021 ... 2 3
    Replies:
    34
    Views:
    6,776
    brian eiland
    Oct 10, 2023
  28. CerealPirate

    HDPE for bottom hull skin or line-x

    CerealPirate, Feb 26, 2021
    Replies:
    13
    Views:
    4,598
    SlickMick
    Mar 17, 2021
  29. waynemarlow

    Gaff rig question.

    waynemarlow, Feb 23, 2021
    Replies:
    6
    Views:
    1,762
    Richard Woods
    Feb 27, 2021
  30. Burnside Style

    Eco 520 aft mast rig

    Burnside Style, Feb 20, 2021
    Replies:
    1
    Views:
    2,241
    jamez
    Feb 23, 2021
  31. JohnGB

    Modern hull shape vs ideal hydrofoil shape

    JohnGB, Feb 19, 2021 ... 2
    Replies:
    26
    Views:
    7,272
    Mr Efficiency
    Feb 21, 2021
  32. Bigfork

    Mashup Trimaran (continued)

    Bigfork, Feb 17, 2021 ... 4 5 6
    Replies:
    76
    Views:
    16,884
    Air Tahiti
    Aug 26, 2023
  33. MichaelRoberts

    Gooseneck on wing mast

    MichaelRoberts, Jan 25, 2021 ... 2
    Replies:
    18
    Views:
    3,059
    catsketcher
    Jan 28, 2021
  34. redreuben

    Race Navigation

    redreuben, Jan 2, 2021
    Replies:
    1
    Views:
    1,049
    boatgm2
    Jan 3, 2021
  35. Swift

    Best motor system for a racing tri?

    Swift, Jan 2, 2021
    Replies:
    4
    Views:
    1,485
    Swift
    Jan 3, 2021
  36. Beezer

    Coast guard certified Catamaran

    Beezer, Jan 2, 2021
    Replies:
    12
    Views:
    2,194
    fallguy
    Feb 25, 2021
  37. MichaelRoberts

    How to connect catamaran rudders

    MichaelRoberts, Dec 29, 2020
    Replies:
    13
    Views:
    3,695
    tspeer
    Feb 6, 2021
  38. peterAustralia

    two engines on centerline, Filipino Banca

    peterAustralia, Dec 27, 2020
    Replies:
    8
    Views:
    2,377
    fallguy
    Dec 28, 2020
  39. nwguy

    Home built foiling tri

    nwguy, Dec 21, 2020
    Replies:
    2
    Views:
    1,838
    nwguy
    Dec 21, 2020
  40. GUSRENTIT

    Need Cat advice

    GUSRENTIT, Dec 20, 2020 ... 2
    Replies:
    23
    Views:
    3,054
    GUSRENTIT
    Dec 22, 2020
Showing threads 201 to 240 of 3,309

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