Multihulls

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

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  1. Mulkari

    Designing a fast open deck catamaran

    Mulkari, Nov 26, 2024 ... 2 3
    Replies:
    43
    Views:
    1,639
    redreuben
    Dec 11, 2024 at 1:17 AM
  2. yabert

    45' solar catamaran

    yabert, Nov 25, 2024 ... 5 6 7
    Replies:
    96
    Views:
    2,637
    gonzo
    Dec 10, 2024 at 8:41 AM
  3. SMA

    KD 650

    SMA, Nov 24, 2024
    Replies:
    2
    Views:
    376
    jamez
    Dec 3, 2024
  4. rael dobkins

    Inside out short Vid, of a Balkan Proa, cruising along....

    rael dobkins, Nov 7, 2024
    Replies:
    0
    Views:
    288
    rael dobkins
    Nov 7, 2024
  5. James Wellington

    Multi vs monohulls in Beaufort 12

    James Wellington, Nov 4, 2024
    Replies:
    14
    Views:
    806
    montero
    Dec 10, 2024 at 3:05 AM
  6. rael dobkins

    Crab Claws can hang off anything, even just 3 ropes...

    rael dobkins, Oct 18, 2024
    Replies:
    0
    Views:
    404
    rael dobkins
    Oct 18, 2024
  7. rob denney

    Building a Harryproa C50 in Fiji

    rob denney, Oct 17, 2024
    Replies:
    3
    Views:
    656
    rob denney
    Oct 19, 2024
  8. Mulkari

    High end vs low end cruising catamaran

    Mulkari, Oct 17, 2024 ... 2 3
    Replies:
    36
    Views:
    2,637
    gonzo
    Nov 1, 2024
  9. Coyote Boats

    Help identifying this 30-ish foot catamaran

    Coyote Boats, Oct 12, 2024
    Replies:
    2
    Views:
    451
    Coyote Boats
    Oct 16, 2024
  10. Jagarwal

    Catamaran crossbeam design

    Jagarwal, Oct 9, 2024
    Replies:
    5
    Views:
    741
    gonzo
    Nov 3, 2024
  11. lucdekeyser

    flat vs convex surfaces

    lucdekeyser, Oct 4, 2024 ... 7 8 9
    Replies:
    133
    Views:
    6,304
    lucdekeyser
    Nov 6, 2024
  12. pdeinc

    Shipping options for a 45' mast

    pdeinc, Oct 4, 2024
    Replies:
    9
    Views:
    511
    Russell Brown
    Oct 5, 2024
  13. kekdu

    Looking for a Low-Cost Easy to build multihull sailing design

    kekdu, Sep 27, 2024 ... 2
    Replies:
    19
    Views:
    2,073
    tane
    Nov 7, 2024
  14. Mandebvu

    Mystery design and build. Any ideas?

    Mandebvu, Sep 10, 2024
    Replies:
    2
    Views:
    606
    Mandebvu
    Sep 10, 2024
  15. nueva30

    Newick Val Rebuild

    nueva30, Sep 9, 2024 ... 2
    Replies:
    25
    Views:
    1,778
    nueva30
    Oct 18, 2024
  16. Dave574

    Malcolm Tennant Coaster 26

    Dave574, Sep 5, 2024
    Replies:
    13
    Views:
    995
    Dylan J
    Sep 6, 2024
  17. OldmanJoe

    Lock Crowther Buccaneer 24 tri

    OldmanJoe, Aug 30, 2024
    Replies:
    1
    Views:
    432
    redreuben
    Aug 31, 2024
  18. MinorThreat

    New Build: KD 860 Open

    MinorThreat, Aug 20, 2024 ... 2
    Replies:
    21
    Views:
    2,107
    rob denney
    Aug 29, 2024
  19. rael dobkins

    Shunting a proa, Balkan style...

    rael dobkins, Aug 10, 2024 ... 2
    Replies:
    16
    Views:
    1,360
    rael dobkins
    Aug 16, 2024
  20. Ash Spark

    Boatbuilders, any thoughts...

    Ash Spark, Jul 29, 2024
    Replies:
    2
    Views:
    618
    redreuben
    Aug 1, 2024
  21. Daniel Reilly

    Proa Circumnavigation?

    Daniel Reilly, Jul 17, 2024 ... 2 3 4
    Replies:
    58
    Views:
    4,299
    cavalier mk2
    Aug 3, 2024
  22. Scuba

    RFQ - 6m catamaran hull shape

    Scuba, Jul 8, 2024
    Replies:
    2
    Views:
    704
    Scuba
    Jul 8, 2024
  23. Bluebayou1031

    Bulkhead gaps

    Bluebayou1031, Jun 30, 2024
    Replies:
    2
    Views:
    568
    philSweet
    Jun 30, 2024
  24. Yusuf Rosidy

    Maxsurf Resistance Catamaran

    Yusuf Rosidy, Jun 27, 2024
    Replies:
    0
    Views:
    629
    Yusuf Rosidy
    Jun 27, 2024
  25. MichaelRoberts

    Forestay design

    MichaelRoberts, Jun 22, 2024
    Replies:
    4
    Views:
    700
    rberrey
    Jun 24, 2024
  26. RSD

    Length vs Beam - will this cause any problems?

    RSD, Jun 16, 2024 ... 2
    Replies:
    27
    Views:
    1,835
    brian eiland
    Jun 18, 2024
  27. brian eiland

    Central Nacelle and Centerboard on CRUISING Cat

    brian eiland, Jun 15, 2024
    Replies:
    12
    Views:
    1,196
    brian eiland
    Nov 21, 2024
  28. cando2

    questions and ideas for rob denney

    cando2, Jun 13, 2024 ... 2 3
    Replies:
    44
    Views:
    4,756
    redreuben
    Sep 26, 2024
  29. sailingsunstar2

    recognize this multihull?

    sailingsunstar2, Jun 9, 2024
    Replies:
    13
    Views:
    1,623
    cando2
    Oct 20, 2024
  30. Stephen Ditmore

    Incat is building a huge EV ferry!

    Stephen Ditmore, May 31, 2024
    Replies:
    2
    Views:
    743
    rwatson
    Jun 4, 2024
  31. guzzis3

    Avalon 9 an Scarab 32

    guzzis3, May 25, 2024
    Replies:
    0
    Views:
    757
    guzzis3
    May 25, 2024
  32. AdrianN

    Daggerboard position

    AdrianN, May 22, 2024
    Replies:
    5
    Views:
    791
    cavalier mk2
    May 22, 2024
  33. georgehype

    Floating Island, more thoughts Opinions please.

    georgehype, May 16, 2024
    Replies:
    4
    Views:
    834
    fallguy
    May 20, 2024
  34. georgehype

    Floating island - Trimaran or Catamaran?

    georgehype, May 6, 2024 ... 2
    Replies:
    17
    Views:
    1,821
    TANSL
    Oct 9, 2024
  35. Eli

    Which one out of these small multi-hull designs will be the best for my needs?

    Eli, May 1, 2024 ... 3 4 5
    Replies:
    65
    Views:
    8,318
    Eli
    Aug 16, 2024
  36. Nstray11

    Small cat crossbeam questions

    Nstray11, Apr 29, 2024
    Replies:
    9
    Views:
    1,023
    Nstray11
    Apr 29, 2024
  37. Bob Rosa

    Cooling water thru hull pickup placement

    Bob Rosa, Apr 24, 2024
    Replies:
    7
    Views:
    782
    Bob Rosa
    Apr 26, 2024
  38. Quattro64

    Thermo-Lite Boards

    Quattro64, Apr 23, 2024 ... 2 3
    Replies:
    37
    Views:
    3,164
    Quattro64
    Apr 27, 2024
  39. MichaelRoberts

    Chinese electric winch?

    MichaelRoberts, Apr 22, 2024
    Replies:
    5
    Views:
    986
    fcfc
    Apr 24, 2024
  40. Skip Johnson

    Mast raising/lowering question

    Skip Johnson, Apr 12, 2024
    Replies:
    5
    Views:
    958
    Skip Johnson
    Apr 15, 2024
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