Multihulls

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

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  1. Sylvain Savoie

    Trimaran fiberglass vs aluminum

    Sylvain Savoie, Feb 13, 2023
    Replies:
    4
    Views:
    3,414
    SolGato
    Feb 14, 2023
  2. Kaido Loor

    Passive air cushion hull bottom

    Kaido Loor, Feb 4, 2023
    Replies:
    4
    Views:
    1,936
    jehardiman
    Feb 4, 2023
  3. tropostudio

    Cat Ketch or Cat Schooner Rig on Trimaran...

    tropostudio, Jan 27, 2023
    Replies:
    13
    Views:
    3,347
    tropostudio
    Jan 29, 2023
  4. fallguy

    Derek Kelsall

    fallguy, Dec 17, 2022
    Replies:
    5
    Views:
    2,207
    rwatson
    Jan 24, 2023
  5. hashtag_laeuft

    Design of 16' foot beach catamaran

    hashtag_laeuft, Aug 15, 2017 ... 2 3 4
    Replies:
    57
    Views:
    18,951
    BobBill
    Jan 18, 2023
  6. Doug Lord

    High Performance MPX Foil/Self-righting Trimaran-The Test Model

    Doug Lord, Dec 28, 2010 ... 198 199 200
    Replies:
    2,991
    Views:
    808,374
    Nicholas cravey
    Jan 18, 2023
  7. ThomD

    Taulua - The Movie "All for a Horse"

    ThomD, Nov 20, 2022
    Replies:
    3
    Views:
    1,947
    Cheevo
    Jan 15, 2023
  8. fallguy

    Bow anchoring

    fallguy, Oct 10, 2020 ... 2 3
    Replies:
    34
    Views:
    6,032
    fallguy
    Jan 10, 2023
  9. David L. Huber

    Hull shape addressing breaking effect from pitching

    David L. Huber, Jan 6, 2023
    Replies:
    3
    Views:
    2,202
    oldmulti
    Jan 6, 2023
  10. Victor Izidoro da silva

    trimaran buccaneer 28- Crowther 28

    Victor Izidoro da silva, Dec 29, 2022
    Replies:
    2
    Views:
    2,526
    bruceb
    Dec 30, 2022
  11. rael dobkins

    Proa Rudderless, Down Wind sailing!

    rael dobkins, Dec 13, 2022
    Replies:
    0
    Views:
    1,811
    rael dobkins
    Dec 13, 2022
  12. Doug Lord

    A Class Cat Design-Board Hydrodynamics(Tom Speer)

    Doug Lord, Jul 13, 2014
    Replies:
    5
    Views:
    3,447
    wet feet
    Dec 6, 2022
  13. BobBill

    Seeking Assistance, Again

    BobBill, Nov 21, 2022
    Replies:
    3
    Views:
    1,487
    fallguy
    Nov 21, 2022
  14. rturbett

    Catamaran hull alignment

    rturbett, Nov 20, 2022
    Replies:
    2
    Views:
    1,925
    fallguy
    Nov 20, 2022
  15. rturbett

    Multi-hull history question

    rturbett, Oct 24, 2022
    Replies:
    7
    Views:
    2,450
    ThomD
    Nov 20, 2022
  16. John Rivers

    Are there warps or drogues that prevent pitchpoling

    John Rivers, Oct 11, 2022
    Replies:
    13
    Views:
    2,528
    ThomD
    Nov 20, 2022
  17. Jacobra

    24 ft Proa Design

    Jacobra, Nov 21, 2020
    Replies:
    5
    Views:
    5,043
    Jacobra
    Nov 19, 2022
  18. Tom Mark Page

    Crowther 33 Buccaneer

    Tom Mark Page, Jun 9, 2021 ... 2 3
    Replies:
    42
    Views:
    16,247
    bruceb
    Nov 3, 2022
  19. BCowan

    Raidboat Pacific Proa

    BCowan, Sep 2, 2020 ... 2 3 4
    Replies:
    49
    Views:
    27,567
    BCowan
    Oct 28, 2022
  20. Gary Baigent

    Historical multihulls

    Gary Baigent, Feb 26, 2012 ... 89 90 91
    Replies:
    1,355
    Views:
    470,479
    John G 830J
    Oct 14, 2022
  21. Corley

    Composite forestay attachment point.

    Corley, Oct 9, 2011 ... 2
    Replies:
    21
    Views:
    8,630
    revintage
    Oct 11, 2022
  22. John Rivers

    Running curved dagger boards retracted under load

    John Rivers, Oct 7, 2022
    Replies:
    1
    Views:
    1,459
    seandepagnier
    Oct 8, 2022
  23. LePrince

    Aluminum catamaran cross beam height

    LePrince, Sep 27, 2022
    Replies:
    9
    Views:
    2,979
    ThomD
    Sep 29, 2022
  24. Twiggyman

    Twiggy 32 construction

    Twiggyman, Oct 15, 2014 ... 2
    Replies:
    28
    Views:
    11,448
    Jethro
    Sep 27, 2022
  25. salglesser

    ballasted cat of old

    salglesser, Dec 30, 2012 ... 2
    Replies:
    22
    Views:
    11,069
    tane
    Sep 13, 2022
  26. revintage

    Triple tube sliding beam

    revintage, Aug 22, 2022
    Replies:
    12
    Views:
    3,023
    waynemarlow
    Sep 9, 2022
  27. brian eiland

    Peter Spronk Catamarans

    brian eiland, Mar 25, 2015
    Replies:
    8
    Views:
    12,610
    redreuben
    Sep 8, 2022
  28. seandepagnier

    rudder design - gudgeon size

    seandepagnier, Mar 20, 2022
    Replies:
    12
    Views:
    5,302
    seandepagnier
    Sep 7, 2022
  29. fallguy

    Woods Skoota Jig Available

    fallguy, Aug 29, 2022
    Replies:
    0
    Views:
    1,493
    fallguy
    Aug 29, 2022
  30. Russell Brown

    Strip-planking thickness for trimaran

    Russell Brown, Jul 28, 2022
    Replies:
    12
    Views:
    3,899
    Richard_F
    Aug 25, 2022
  31. Russell Brown

    Jzerro is about to round Cape Horn

    Russell Brown, Mar 15, 2022
    Replies:
    8
    Views:
    5,509
    ImaginaryNumber
    Aug 12, 2022
  32. RampantMule

    SAN-PVC-PET foam core

    RampantMule, Nov 6, 2021 ... 2
    Replies:
    20
    Views:
    12,085
    guzzis3
    Aug 6, 2022
  33. tpchuckles

    super cheap, simple, dirty: kayak > trimaran

    tpchuckles, Jul 27, 2022
    Replies:
    10
    Views:
    5,692
    rnlock
    Aug 4, 2022
  34. guzzis3

    Solar catamaran

    guzzis3, May 20, 2021 ... 2 3 4
    Replies:
    53
    Views:
    15,868
    dustman
    Jul 31, 2022
  35. rturbett

    Glassing the decks- any preference?

    rturbett, Jun 14, 2022 ... 2
    Replies:
    15
    Views:
    3,897
    rturbett
    Jul 30, 2022
  36. BMP

    Semi submarine hull Te Puke

    BMP, Jul 7, 2022
    Replies:
    12
    Views:
    2,835
    BMP
    Jul 10, 2022
  37. tamkvaitis

    Tornado hull modifications

    tamkvaitis, Nov 28, 2012
    Replies:
    6
    Views:
    8,098
    Martin Goodman
    Jul 10, 2022
  38. Islander63

    (strip)planking a Wharram TEHINI ?

    Islander63, Jun 15, 2022 ... 2 3 4
    Replies:
    46
    Views:
    9,345
    Islander63
    Jun 29, 2022
  39. Finby

    Radical Bay style Bipod but with jibs only?

    Finby, Jun 3, 2022
    Replies:
    9
    Views:
    4,681
    Finby
    Jun 21, 2022
  40. BMP

    L/B ratios the same for short and long hulls?

    BMP, Jun 15, 2022
    Replies:
    13
    Views:
    3,488
    fallguy
    Jun 19, 2022
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