Multihulls

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

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  1. revintage

    Main beam waterstays on small foiling tri

    revintage, Mar 25, 2019 ... 2
    Replies:
    26
    Views:
    6,417
    Tallseek
    Jan 10, 2025
  2. rael dobkins

    Proa, Fast Downwind Surfing, ZERO Weather Helm.

    rael dobkins, Dec 31, 2024
    Replies:
    2
    Views:
    867
    rael dobkins
    Jan 9, 2025
  3. ChronoFish

    Kayak to Trimaran Conversion

    ChronoFish, Dec 15, 2024
    Replies:
    5
    Views:
    1,077
    ChronoFish
    Dec 16, 2024
  4. James Wellington

    Multi vs monohulls in Beaufort 12

    James Wellington, Nov 4, 2024
    Replies:
    14
    Views:
    2,021
    montero
    Dec 10, 2024
  5. waikikin

    Crowther Spindrift

    waikikin, Oct 18, 2014 ... 3 4 5
    Replies:
    66
    Views:
    10,652
    jimmyDu
    Dec 4, 2024
  6. SMA

    KD 650

    SMA, Nov 24, 2024
    Replies:
    2
    Views:
    1,123
    jamez
    Dec 3, 2024
  7. brian eiland

    Central Nacelle and Centerboard on CRUISING Cat

    brian eiland, Jun 15, 2024
    Replies:
    12
    Views:
    2,009
    brian eiland
    Nov 21, 2024
  8. redou

    Metal Multihull Cruiser - Seeking Input

    redou, Dec 6, 2007 ... 2
    Replies:
    16
    Views:
    4,460
    TANSL
    Nov 9, 2024
  9. kekdu

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

    kekdu, Sep 27, 2024 ... 2
    Replies:
    19
    Views:
    4,173
    tane
    Nov 7, 2024
  10. rael dobkins

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

    rael dobkins, Nov 7, 2024
    Replies:
    0
    Views:
    757
    rael dobkins
    Nov 7, 2024
  11. lucdekeyser

    flat vs convex surfaces

    lucdekeyser, Oct 4, 2024 ... 7 8 9
    Replies:
    133
    Views:
    10,496
    lucdekeyser
    Nov 6, 2024
  12. Jagarwal

    Catamaran crossbeam design

    Jagarwal, Oct 9, 2024
    Replies:
    5
    Views:
    1,630
    gonzo
    Nov 3, 2024
  13. Mulkari

    High end vs low end cruising catamaran

    Mulkari, Oct 17, 2024 ... 2 3
    Replies:
    36
    Views:
    4,784
    gonzo
    Nov 1, 2024
  14. sailingsunstar2

    recognize this multihull?

    sailingsunstar2, Jun 9, 2024
    Replies:
    13
    Views:
    2,417
    cando2
    Oct 20, 2024
  15. rob denney

    Building a Harryproa C50 in Fiji

    rob denney, Oct 17, 2024
    Replies:
    3
    Views:
    1,363
    rob denney
    Oct 19, 2024
  16. rael dobkins

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

    rael dobkins, Oct 18, 2024
    Replies:
    0
    Views:
    863
    rael dobkins
    Oct 18, 2024
  17. nueva30

    Newick Val Rebuild

    nueva30, Sep 9, 2024 ... 2
    Replies:
    25
    Views:
    3,079
    nueva30
    Oct 18, 2024
  18. Coyote Boats

    Help identifying this 30-ish foot catamaran

    Coyote Boats, Oct 12, 2024
    Replies:
    2
    Views:
    963
    Coyote Boats
    Oct 16, 2024
  19. flagg

    Bob Oram website - something looks awfully wrong here??

    flagg, Oct 9, 2021
    Replies:
    2
    Views:
    12,335
    Flows
    Oct 9, 2024
  20. georgehype

    Floating island - Trimaran or Catamaran?

    georgehype, May 6, 2024 ... 2
    Replies:
    17
    Views:
    3,113
    TANSL
    Oct 9, 2024
  21. oldsailor7

    Buccaneer 24 Builders Forum

    oldsailor7, Jul 22, 2009 ... 193 194 195
    Replies:
    2,923
    Views:
    727,579
    buzzman
    Oct 7, 2024
  22. pdeinc

    Shipping options for a 45' mast

    pdeinc, Oct 4, 2024
    Replies:
    9
    Views:
    1,220
    Russell Brown
    Oct 5, 2024
  23. Scuff

    Kickup rudder critique

    Scuff, Nov 8, 2021 ... 2 3 4
    Replies:
    49
    Views:
    15,175
    wet feet
    Sep 26, 2024
  24. Mandebvu

    Mystery design and build. Any ideas?

    Mandebvu, Sep 10, 2024
    Replies:
    2
    Views:
    1,179
    Mandebvu
    Sep 10, 2024
  25. Dave574

    Malcolm Tennant Coaster 26

    Dave574, Sep 5, 2024
    Replies:
    13
    Views:
    2,036
    Dylan J
    Sep 6, 2024
  26. OldmanJoe

    Lock Crowther Buccaneer 24 tri

    OldmanJoe, Aug 30, 2024
    Replies:
    1
    Views:
    982
    redreuben
    Aug 31, 2024
  27. MinorThreat

    New Build: KD 860 Open

    MinorThreat, Aug 20, 2024 ... 2
    Replies:
    21
    Views:
    4,307
    rob denney
    Aug 29, 2024
  28. Bigfork

    Scored a Donor Cat, What is it?

    Bigfork, May 21, 2018 ... 2
    Replies:
    18
    Views:
    4,142
    Al Snyder
    Aug 28, 2024
  29. rael dobkins

    Shunting a proa, Balkan style...

    rael dobkins, Aug 10, 2024 ... 2
    Replies:
    16
    Views:
    2,662
    rael dobkins
    Aug 16, 2024
  30. 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:
    13,250
    Eli
    Aug 16, 2024
  31. Corley

    Proa circumnavigation

    Corley, Oct 22, 2012
    Replies:
    6
    Views:
    2,986
    cavalier mk2
    Aug 7, 2024
  32. Daniel Reilly

    Proa Circumnavigation?

    Daniel Reilly, Jul 17, 2024 ... 2 3 4
    Replies:
    58
    Views:
    7,312
    cavalier mk2
    Aug 3, 2024
  33. Ash Spark

    Boatbuilders, any thoughts...

    Ash Spark, Jul 29, 2024
    Replies:
    2
    Views:
    1,066
    redreuben
    Aug 1, 2024
  34. willy13

    Gemini Catamaran, new builds?

    willy13, Sep 12, 2023
    Replies:
    4
    Views:
    3,780
    WarrenM
    Jul 21, 2024
  35. Wattser

    Crowther Buccaneer 37

    Wattser, Jan 9, 2023
    Replies:
    9
    Views:
    4,441
    Andrew Rowe
    Jul 16, 2024
  36. Scuba

    RFQ - 6m catamaran hull shape

    Scuba, Jul 8, 2024
    Replies:
    2
    Views:
    1,195
    Scuba
    Jul 8, 2024
  37. Bluebayou1031

    Bulkhead gaps

    Bluebayou1031, Jun 30, 2024
    Replies:
    2
    Views:
    1,010
    philSweet
    Jun 30, 2024
  38. Yusuf Rosidy

    Maxsurf Resistance Catamaran

    Yusuf Rosidy, Jun 27, 2024
    Replies:
    0
    Views:
    1,088
    Yusuf Rosidy
    Jun 27, 2024
  39. MichaelRoberts

    Forestay design

    MichaelRoberts, Jun 22, 2024
    Replies:
    4
    Views:
    1,187
    rberrey
    Jun 24, 2024
  40. Steve W

    outboard power on larger cruising cats

    Steve W, Aug 14, 2016 ... 4 5 6
    Replies:
    76
    Views:
    20,388
    brian eiland
    Jun 18, 2024
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