Multihulls

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

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  1. Bob Rosa

    Cooling water thru hull pickup placement

    Bob Rosa, Apr 24, 2024 at 12:09 PM
    Replies:
    2
    Views:
    71
    jehardiman
    Apr 24, 2024 at 6:37 PM
  2. Quattro64

    Thermo-Lite Boards

    Quattro64, Apr 23, 2024 at 10:11 AM ... 2
    Replies:
    19
    Views:
    290
    Quattro64
    Apr 24, 2024 at 12:53 PM
  3. MichaelRoberts

    Chinese electric winch?

    MichaelRoberts, Apr 22, 2024 at 5:54 AM
    Replies:
    5
    Views:
    243
    fcfc
    Apr 24, 2024 at 12:12 PM
  4. Skip Johnson

    Mast raising/lowering question

    Skip Johnson, Apr 12, 2024
    Replies:
    5
    Views:
    308
    Skip Johnson
    Apr 15, 2024
  5. hashtag_laeuft

    Balance considerations for Boardless Beachcat

    hashtag_laeuft, Apr 1, 2024
    Replies:
    4
    Views:
    506
    hashtag_laeuft
    Apr 11, 2024
  6. Multihulls anonymous

    Extra Marstrom 32 and f40 catamaran hulls

    Multihulls anonymous, Mar 19, 2024
    Replies:
    0
    Views:
    330
    Multihulls anonymous
    Mar 19, 2024
  7. Slimes

    Cat Hull Design

    Slimes, Mar 18, 2024 ... 2
    Replies:
    17
    Views:
    1,154
    tane
    Mar 22, 2024
  8. Scopic

    Over built flat deck power cat

    Scopic, Mar 11, 2024
    Replies:
    12
    Views:
    610
    Ad Hoc
    Mar 12, 2024
  9. Manfred.pech

    Everglades Challenge 2024

    Manfred.pech, Mar 4, 2024
    Replies:
    13
    Views:
    983
    portacruise
    Mar 7, 2024
  10. Michael78

    Multihulls Direct?

    Michael78, Feb 28, 2024
    Replies:
    0
    Views:
    452
    Michael78
    Feb 28, 2024
  11. Mulkari

    Light weight big open deck catamaran

    Mulkari, Feb 21, 2024 ... 2 3 4
    Replies:
    50
    Views:
    3,958
    Mulkari
    Mar 19, 2024
  12. Jeremy Perkins

    Beginning: Hull shape and size

    Jeremy Perkins, Feb 12, 2024
    Replies:
    11
    Views:
    1,059
    BlueBell
    Feb 18, 2024
  13. IvanAntun

    Inquiry for information from experienced boatbuilders and boat designers

    IvanAntun, Feb 8, 2024 ... 2 3
    Replies:
    34
    Views:
    2,587
    IvanAntun
    Mar 9, 2024
  14. Thule

    Wooden caramaran wisdom

    Thule, Jan 26, 2024 ... 2
    Replies:
    18
    Views:
    1,678
    Thule
    Jan 31, 2024
  15. i_mac

    Mast Rotation Systems

    i_mac, Jan 8, 2024
    Replies:
    5
    Views:
    1,022
    Blueknarr
    Jan 15, 2024
  16. Dolfiman

    Arkea Ultim challenge : the race around the world, in solo !

    Dolfiman, Jan 6, 2024
    Replies:
    8
    Views:
    1,673
    Dolfiman
    Jan 31, 2024
  17. Ilikebigboatsandicanotlie

    Limits to the beam of a catamaran ratio ?

    Ilikebigboatsandicanotlie, Dec 29, 2023
    Replies:
    13
    Views:
    1,660
    C. Dog
    Jan 19, 2024
  18. Adrian Baker

    Design of wood epoxy trimaran beams

    Adrian Baker, Dec 23, 2023 ... 2 3 4
    Replies:
    53
    Views:
    5,931
    nueva30
    Apr 11, 2024
  19. peterbike

    A bit of sailing history

    peterbike, Dec 21, 2023
    Replies:
    0
    Views:
    553
    peterbike
    Dec 21, 2023
  20. James Wellington

    Solid laminate frp

    James Wellington, Dec 14, 2023 ... 2 3
    Replies:
    40
    Views:
    3,133
    latestarter
    Dec 26, 2023
  21. waterbear

    The revisionist mythology of Wharram

    waterbear, Dec 8, 2023 ... 2 3
    Replies:
    39
    Views:
    4,353
    nota
    Feb 4, 2024
  22. 8Petros

    Low-cost experimental platform cat for inland waterways

    8Petros, Dec 2, 2023
    Replies:
    10
    Views:
    1,529
    waterbear
    Dec 8, 2023
  23. power boater

    Duet's consumption report

    power boater, Dec 1, 2023
    Replies:
    5
    Views:
    930
    fallguy
    Dec 3, 2023
  24. Forecaddie

    25 foot 7.5m Drua research

    Forecaddie, Nov 28, 2023
    Replies:
    4
    Views:
    1,038
    rob denney
    Mar 9, 2024
  25. Bob McDowell

    Where did Uffa Fox sail Shearwater Catamaran 990?

    Bob McDowell, Nov 26, 2023
    Replies:
    3
    Views:
    940
    Bob McDowell
    Nov 28, 2023
  26. Joseph Guthrie

    Outboard motor sled design

    Joseph Guthrie, Nov 14, 2023
    Replies:
    3
    Views:
    1,079
    Joseph Guthrie
    Nov 15, 2023
  27. Manfred.pech

    Wingmaran

    Manfred.pech, Nov 6, 2023
    Replies:
    2
    Views:
    856
    Manfred.pech
    Nov 8, 2023
  28. power boater

    Duet launch

    power boater, Nov 4, 2023
    Replies:
    14
    Views:
    1,020
    power boater
    Nov 5, 2023
  29. Forecaddie

    Scaled model how to calculate weight

    Forecaddie, Oct 29, 2023
    Replies:
    10
    Views:
    1,534
    gonzo
    Nov 9, 2023
  30. waterbear

    Gougeonified Chat 18 knockabout

    waterbear, Oct 27, 2023
    Replies:
    6
    Views:
    967
    kapnD
    Oct 28, 2023
  31. Tyler DeWitt

    How to assess bulkhead strength of completed boat

    Tyler DeWitt, Oct 27, 2023
    Replies:
    7
    Views:
    1,132
    gonzo
    Oct 30, 2023
  32. Forecaddie

    10 meter proa sail rig options

    Forecaddie, Oct 18, 2023
    Replies:
    10
    Views:
    1,727
    ALL AT SEA
    Oct 27, 2023
  33. David Swingler

    Design idea for a 15' cruising cat

    David Swingler, Oct 16, 2023
    Replies:
    13
    Views:
    2,200
    Will Gilmore
    Nov 28, 2023
  34. mrlonely

    Catamaran Strength Analysis

    mrlonely, Oct 10, 2023
    Replies:
    6
    Views:
    1,330
    Ad Hoc
    Oct 12, 2023
  35. Matt Wiseman

    Normon Cross Trimarans

    Matt Wiseman, Oct 7, 2023
    Replies:
    4
    Views:
    971
    Matt Wiseman
    Oct 7, 2023
  36. Holden

    Trimaran Build

    Holden, Oct 2, 2023
    Replies:
    7
    Views:
    1,338
    kapnD
    Oct 5, 2023
  37. Steel Hull

    FAO 7.8 meter trimaran ocean capable?

    Steel Hull, Sep 30, 2023
    Replies:
    8
    Views:
    1,807
    gonzo
    Jan 16, 2024
  38. alan craig

    weymouth speed week 1973

    alan craig, Sep 24, 2023
    Replies:
    5
    Views:
    682
    alan craig
    Sep 26, 2023
  39. TeeKay

    Any Seawind 24 owners on here?

    TeeKay, Sep 21, 2023
    Replies:
    8
    Views:
    1,250
    Corley_01
    Sep 28, 2023
  40. willy13

    Gemini Catamaran, new builds?

    willy13, Sep 12, 2023
    Replies:
    3
    Views:
    1,158
    comfisherman
    Sep 13, 2023
Showing threads 1 to 40 of 3,306

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