Multihulls

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

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  1. oldmulti

    Multihull Structure Thoughts

    oldmulti, May 27, 2019 ... 257 258 259
    Replies:
    3,875
    Views:
    951,507
    oldmulti
    Apr 17, 2024 at 11:42 PM
  2. Teamscarab

    Siren 8.4 catamaran.

    Teamscarab, Sep 16, 2021
    Replies:
    10
    Views:
    7,160
    guzzis3
    Apr 16, 2024 at 7:43 PM
  3. Skip Johnson

    Mast raising/lowering question

    Skip Johnson, Apr 12, 2024 at 9:25 PM
    Replies:
    5
    Views:
    274
    Skip Johnson
    Apr 15, 2024 at 2:01 PM
  4. Skip JayR

    How to sail/buy racing trimarans in cruising modus ?

    Skip JayR, Sep 30, 2015 ... 2
    Replies:
    20
    Views:
    9,609
    patzefran
    Apr 13, 2024 at 7:37 AM
  5. hashtag_laeuft

    Balance considerations for Boardless Beachcat

    hashtag_laeuft, Apr 1, 2024
    Replies:
    4
    Views:
    485
    hashtag_laeuft
    Apr 11, 2024
  6. Adrian Baker

    Design of wood epoxy trimaran beams

    Adrian Baker, Dec 23, 2023 ... 2 3 4
    Replies:
    53
    Views:
    5,851
    nueva30
    Apr 11, 2024
  7. Slimes

    Cat Hull Design

    Slimes, Mar 18, 2024 ... 2
    Replies:
    17
    Views:
    1,111
    tane
    Mar 22, 2024
  8. Mulkari

    Light weight big open deck catamaran

    Mulkari, Feb 21, 2024 ... 2 3 4
    Replies:
    50
    Views:
    3,894
    Mulkari
    Mar 19, 2024
  9. Multihulls anonymous

    Extra Marstrom 32 and f40 catamaran hulls

    Multihulls anonymous, Mar 19, 2024
    Replies:
    0
    Views:
    316
    Multihulls anonymous
    Mar 19, 2024
  10. Scopic

    Over built flat deck power cat

    Scopic, Mar 11, 2024
    Replies:
    12
    Views:
    597
    Ad Hoc
    Mar 12, 2024
  11. Forecaddie

    25 foot 7.5m Drua research

    Forecaddie, Nov 28, 2023
    Replies:
    4
    Views:
    1,031
    rob denney
    Mar 9, 2024
  12. IvanAntun

    Inquiry for information from experienced boatbuilders and boat designers

    IvanAntun, Feb 8, 2024 ... 2 3
    Replies:
    34
    Views:
    2,538
    IvanAntun
    Mar 9, 2024
  13. Manfred.pech

    Everglades Challenge 2024

    Manfred.pech, Mar 4, 2024
    Replies:
    13
    Views:
    949
    portacruise
    Mar 7, 2024
  14. member 76956

    Custom Multihulls

    member 76956, May 8, 2022 ... 2
    Replies:
    24
    Views:
    6,607
    brian eiland
    Mar 2, 2024
  15. kimosadler

    Aluminum Strongall Sailing Catamaran Plans?

    kimosadler, May 4, 2009 ... 2
    Replies:
    19
    Views:
    51,614
    Rico chico
    Mar 1, 2024
  16. Michael78

    Multihulls Direct?

    Michael78, Feb 28, 2024
    Replies:
    0
    Views:
    435
    Michael78
    Feb 28, 2024
  17. lucdekeyser

    80 foot cargo harryproa

    lucdekeyser, Nov 15, 2020 ... 10 11 12
    Replies:
    174
    Views:
    42,303
    bajansailor
    Feb 23, 2024
  18. Jeremy Perkins

    Beginning: Hull shape and size

    Jeremy Perkins, Feb 12, 2024
    Replies:
    11
    Views:
    1,047
    BlueBell
    Feb 18, 2024
  19. Paul Scott

    Center of effort of the A class catamaran sail

    Paul Scott, Nov 24, 2022 ... 2
    Replies:
    16
    Views:
    2,426
    Erwan
    Feb 9, 2024
  20. tanjera

    Malcolm Tennant "Wild Thing" Tri

    tanjera, Sep 28, 2014 ... 2
    Replies:
    21
    Views:
    8,602
    oldmulti
    Feb 5, 2024
  21. waterbear

    The revisionist mythology of Wharram

    waterbear, Dec 8, 2023 ... 2 3
    Replies:
    39
    Views:
    4,315
    nota
    Feb 4, 2024
  22. Thule

    Wooden caramaran wisdom

    Thule, Jan 26, 2024 ... 2
    Replies:
    18
    Views:
    1,659
    Thule
    Jan 31, 2024
  23. Dolfiman

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

    Dolfiman, Jan 6, 2024
    Replies:
    8
    Views:
    1,663
    Dolfiman
    Jan 31, 2024
  24. Lucainbarca

    Rival 21 from batavento sailmakers brazil

    Lucainbarca, Apr 20, 2019 ... 2
    Replies:
    25
    Views:
    9,340
    Tchamo
    Jan 25, 2024
  25. Ilikebigboatsandicanotlie

    Limits to the beam of a catamaran ratio ?

    Ilikebigboatsandicanotlie, Dec 29, 2023
    Replies:
    13
    Views:
    1,637
    C. Dog
    Jan 19, 2024
  26. Steel Hull

    FAO 7.8 meter trimaran ocean capable?

    Steel Hull, Sep 30, 2023
    Replies:
    8
    Views:
    1,795
    gonzo
    Jan 16, 2024
  27. i_mac

    Mast Rotation Systems

    i_mac, Jan 8, 2024
    Replies:
    5
    Views:
    1,004
    Blueknarr
    Jan 15, 2024
  28. Corley

    Lex Nicol, did he ever create any stock plans?

    Corley, Mar 24, 2010 ... 2
    Replies:
    27
    Views:
    14,869
    C. Dog
    Jan 8, 2024
  29. James Wellington

    Solid laminate frp

    James Wellington, Dec 14, 2023 ... 2 3
    Replies:
    40
    Views:
    3,113
    latestarter
    Dec 26, 2023
  30. peterbike

    A bit of sailing history

    peterbike, Dec 21, 2023
    Replies:
    0
    Views:
    549
    peterbike
    Dec 21, 2023
  31. Michael Farmer

    Sailing outrigger canoe

    Michael Farmer, Aug 23, 2021 ... 2
    Replies:
    24
    Views:
    9,282
    Keern Haslem
    Dec 19, 2023
  32. Iridian

    Considering Homebuilding a ~50' Catamaran

    Iridian, Jun 10, 2021 ... 3 4 5
    Replies:
    69
    Views:
    13,607
    Air Tahiti
    Dec 17, 2023
  33. Air Tahiti

    Cross Beam thoughts for small Tri

    Air Tahiti, Aug 20, 2023 ... 2
    Replies:
    26
    Views:
    2,560
    Air Tahiti
    Dec 17, 2023
  34. 8Petros

    Low-cost experimental platform cat for inland waterways

    8Petros, Dec 2, 2023
    Replies:
    10
    Views:
    1,512
    waterbear
    Dec 8, 2023
  35. trungpv

    Cost for a sail system!

    trungpv, Oct 15, 2014
    Replies:
    9
    Views:
    3,442
    Vijay Krishna
    Dec 7, 2023
  36. power boater

    Duet's consumption report

    power boater, Dec 1, 2023
    Replies:
    5
    Views:
    921
    fallguy
    Dec 3, 2023
  37. guzzis3

    Catamaran plans, who have I forgotten ?

    guzzis3, Apr 4, 2023 ... 12 13 14
    Replies:
    200
    Views:
    18,824
    waikikin
    Nov 29, 2023
  38. David Swingler

    Design idea for a 15' cruising cat

    David Swingler, Oct 16, 2023
    Replies:
    13
    Views:
    2,191
    Will Gilmore
    Nov 28, 2023
  39. Bob McDowell

    Where did Uffa Fox sail Shearwater Catamaran 990?

    Bob McDowell, Nov 26, 2023
    Replies:
    3
    Views:
    929
    Bob McDowell
    Nov 28, 2023
  40. Tony Kopp

    A challenging design

    Tony Kopp, Aug 23, 2023 ... 3 4 5
    Replies:
    61
    Views:
    6,637
    Tony Kopp
    Nov 22, 2023
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