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Forum: Multihull Design Forum

Discuss the design characteristics of multihulls

  1. Rudderless Running, Dead DownWind, On A PROA!!!

    Started by rael dobkins, 13th December 2022 07:58 PM
    • Replies: 2
    • Views: 335
    8th January 2023, 07:39 PM Go to last post
    • Replies: 0
    • Views: 615
    2nd April 2022, 10:46 AM Go to last post
  2. Hardened Wood -- wooden Nails and wood Steak Knives

    Started by Tourmaline, 28th October 2021 10:22 PM
    • Replies: 0
    • Views: 754
    28th October 2021, 10:22 PM Go to last post
  3. Nanocellulose: Super thermally insulating nanowood

    Started by Tourmaline, 13th November 2020 10:57 PM
    • Replies: 0
    • Views: 1,588
    13th November 2020, 10:57 PM Go to last post
    • Replies: 1
    • Views: 1,518
    17th October 2020, 02:44 PM Go to last post
  4. Cat-in-the-Box: Max 42SC sailing catamaran

    Started by Tourmaline, 10th October 2020 04:33 PM
    • Replies: 0
    • Views: 3,000
    10th October 2020, 04:33 PM Go to last post
  5. Why Junk Rigs are GREAT!!! Balkan Shipyards

    Started by rael dobkins, 3rd June 2020 08:23 AM
    • Replies: 0
    • Views: 1,357
    3rd June 2020, 08:23 AM Go to last post
  6. OUR NEW OCEAN CRUISER, will BLOW YOUR MIND........

    Started by rael dobkins, 22nd April 2020 10:56 PM
    • Replies: 2
    • Views: 2,148
    3rd June 2020, 08:20 AM Go to last post
  7. Preparing "Make O'Break" for micro cruising Greece

    Started by rael dobkins, 24th September 2019 08:28 PM
    • Replies: 0
    • Views: 3,543
    24th September 2019, 08:28 PM Go to last post
    • Replies: 3
    • Views: 4,594
    16th September 2019, 12:52 PM Go to last post
  8. 50' Hybrid Diesel Electric Steel Catamaran

    Started by Caesar, 27th July 2012 06:10 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 27,672
    14th July 2018, 10:11 PM Go to last post
  9. How to build a hard-top

    Started by Aurora, 11th August 2013 12:20 PM
    • Replies: 17
    • Views: 15,311
    7th April 2018, 10:05 AM Go to last post
  10. Website for Bob Oram Designs

    Started by multihullsailor6, 5th November 2011 09:51 PM
    • Replies: 4
    • Views: 10,236
    25th March 2018, 07:57 PM Go to last post
  11. Hull Extensions

    Started by Southern Star, 2nd December 2011 02:27 PM
    3 Pages
    1 2 3
    • Replies: 54
    • Views: 42,657
    21st February 2018, 02:00 AM Go to last post
  12. A user friendly proa shunting rig.

    Started by rael dobkins, 18th February 2018 11:38 AM
    • Replies: 0
    • Views: 2,913
    18th February 2018, 11:38 AM Go to last post
  13. Bruce Harris Designs

    Started by Peter, 30th June 2017 12:51 PM
    • Replies: 0
    • Views: 3,165
    30th June 2017, 12:51 PM Go to last post
  14. Tennant Designs & Anthony Stanton

    Started by limecc, 10th May 2017 01:50 AM
    • Replies: 0
    • Views: 2,920
    10th May 2017, 01:50 AM Go to last post
  15. "Toe In" On Rudders?

    Started by catalac08, 16th February 2017 12:19 PM
    • Replies: 9
    • Views: 7,249
    22nd February 2017, 10:20 PM Go to last post
  16. Gemini's are Crap in Blue Water,

    Started by Mr B., 1st July 2012 04:48 AM
    4 Pages
    1 2 3 4
    • Replies: 60
    • Views: 104,360
    6th February 2017, 03:44 PM Go to last post
  17. Formulas, rules, and Benchmarks

    Started by BigCat, 11th August 2009 07:16 PM
    3 Pages
    1 2 3
    • Replies: 58
    • Views: 49,453
    1st March 2016, 12:11 AM Go to last post
  18. Must I Remove All the Assholes?

    Started by victor, 14th April 2013 10:52 PM
    • Replies: 15
    • Views: 11,955
    17th February 2016, 02:00 PM Go to last post
  19. Balkan Shipyards, going strong...

    Started by rael dobkins, 6th January 2016 09:38 PM
    • Replies: 0
    • Views: 3,440
    6th January 2016, 09:38 PM Go to last post
  20. Headroom in berth

    Started by quickcat49, 7th December 2015 05:34 PM
    • Replies: 0
    • Views: 3,584
    7th December 2015, 05:34 PM Go to last post
  21. Keel/hull build technique

    Started by BrianH, 13th November 2015 06:21 PM
    • Replies: 6
    • Views: 5,574
    14th November 2015, 02:00 PM Go to last post
  22. Pros&Cons of different Cat Rigs

    Started by Moonskater, 6th November 2015 05:38 PM
    • Replies: 0
    • Views: 3,502
    6th November 2015, 05:38 PM Go to last post
  23. SeaWind 1000/100XL Rudder Mold

    Started by victor, 12th September 2012 06:55 PM
    • Replies: 1
    • Views: 5,332
    14th October 2015, 12:49 AM Go to last post
  24. Bi-Rig Cats

    Started by multihullsailor6, 3rd January 2013 10:17 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 30,687
    28th September 2015, 11:43 AM Go to last post
  25. Skeg Design Query

    Started by catalac08, 13th September 2015 06:23 PM
    • Replies: 5
    • Views: 5,744
    15th September 2015, 01:48 PM Go to last post
  26. Crowther Twiggy

    Started by balance, 23rd December 2012 01:31 AM
    • Replies: 3
    • Views: 5,826
    23rd July 2015, 05:57 AM Go to last post
  27. Unsinkable? How, why?

    Started by HappyEnding, 2nd March 2013 01:05 PM
    3 Pages
    1 2 3
    • Replies: 42
    • Views: 32,052
    10th July 2015, 12:50 PM Go to last post
  28. Hull Release Party for Alpha 42

    Started by searenitysail, 28th January 2013 01:32 AM
    • Replies: 5
    • Views: 6,762
    23rd June 2015, 02:26 AM Go to last post
  29. Water Tight bulkheads?

    Started by HappyEnding, 5th February 2013 02:20 AM
    • Replies: 7
    • Views: 7,604
    26th May 2015, 08:02 AM Go to last post
  30. Wavepiercing Bows on Catamarans

    Started by multihullsailor6, 22nd November 2011 04:09 PM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 102
    • Views: 83,700
    17th April 2015, 08:16 AM Go to last post
  31. Simply put, "More Speed"!

    Started by Moonskater, 5th February 2015 05:51 PM
    2 Pages
    1 2
    • Replies: 38
    • Views: 22,493
    14th April 2015, 02:08 PM Go to last post
  32. Twin Rudder Design

    Started by multihullsailor6, 16th February 2015 07:50 PM
    • Replies: 0
    • Views: 3,635
    16th February 2015, 07:50 PM Go to last post
  33. Thin hulls have less wave drag than fat ones. Are you sure?

    Started by dennisail, 24th June 2014 06:13 AM
    3 Pages
    1 2 3
    • Replies: 41
    • Views: 33,031
    13th January 2015, 10:09 AM Go to last post
  34. Prismatic Coefficient and getting wrapped around a wheel

    Started by DoubleDuty, 15th September 2009 12:27 AM
    4 Pages
    1 2 3 4
    • Replies: 68
    • Views: 54,874
    9th January 2015, 11:02 AM Go to last post
  35. Is anyone using Hydrogen or HHO in their engines?

    Started by CauliflowerEars, 25th June 2012 04:40 AM
    4 Pages
    1 2 3 4
    • Replies: 79
    • Views: 52,182
    13th November 2014, 06:17 PM Go to last post
  36. Gunboat 60 and Alpha 42 pics

    Started by searenitysail, 5th October 2014 06:12 AM
    • Replies: 4
    • Views: 6,263
    7th October 2014, 03:53 PM Go to last post
  37. Power Cat 18MPG Interesting?

    Started by victor, 17th December 2013 06:42 PM
    3 Pages
    1 2 3
    • Replies: 49
    • Views: 36,552
    14th August 2014, 01:04 PM Go to last post

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