Trimarans 30' to 50'

Discussion in 'Multihulls' started by Corley, Sep 3, 2016.

  1. Corley
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    Corley epoxy coated

    We seem to have threads for all the smaller trimarans so I thought lets put up a thread for the bigger trimaran designs. Lots of fantastic trimarans around the 30' mark and larger. The F31 was to my mind a milestone, a genuine trailerable trimaran with capable cruising amenity and still retaining great performance and the folding feature, it took everything the F27 did and improved on it. Then we have dedicated racing boats like the Seacart 30 that were designed with inshore and offshore use in mind and had impressive lightweight construction which equated to just under a tonne lightship.
     
  2. Doug Lord
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    Doug Lord Flight Ready

  3. Corley
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    Corley epoxy coated

  4. redreuben
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    redreuben redreuben

    I really like the Cirrostratus 10 by Robin Chamberlain. Clean lines and aft double cabin, lots to like.
     

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  5. outside the box

    outside the box Previous Member

    Jim Antrum 30' folder

    Seems she went well but talking with Jim about the boat now for sale. He said it was the plug boat for the moulds and as expected was overbuilt. Lit up in heavier air and had to fight hard against the f-25c and F-31R in lighter airs when he raced against them in her.

    Folds to 10' so not for everyone.
     

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  6. warwick
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    warwick Senior Member

    Verbatim is one of my favorite boats out there and still going after all these years.
     
  7. Corley
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    Corley epoxy coated

    I agree, It's a cool boat and nice to see Robin introduce some pretty innovative features like the wishbone rig. The local Cirrostratus I've seen had a pretty nifty tabernacle system for the mast too. I'm not sure if that was standard or not but it made getting the mast up and down easy, surprisingly spacious down below for it's LoA.
     
  8. Corley
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    Corley epoxy coated

    The 32' strip plank trimaran Barracuda is another beautiful example. A very successful boat round the race circuit with some useful accommodation and swing wing folding for getting skinny in the slip, demountable for transport.

    http://visionboats.com/en/?Design___Barracuda

    There is also the later 10.2 metre Black Marlin which has a bit more of a cruising focus listed on designer Jan Anderson's website which can be built in wood or carbon composite.

    http://visionboats.com/en/?Design___Black_Marlin
     
  9. bruceb
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    bruceb Senior Member

    nice thread

    Thanks for starting and posting Corley, I have already learned of two designs I was not aware of. :)
    Here in the USA, smaller cruising tri development mostly stopped when the Corsairs were introduced. We have missed twenty five years of progress in design and materials, and we hardly have any non racing boats in the market. Since the market and most manufacturers has vanished for all sailboats under charter size, we are quickly losing the knowledge base to restart the industry.
    Although I am really enjoying my forty year old Buc 33, I can really see the advantages of the newer designs, and I would probably have one if we had some choices over here.
    B
     

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  10. redreuben
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    redreuben redreuben

    But Bruce, you have Horstmans and Searunners which we rarely see ! ;)
     
  11. redreuben
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    redreuben redreuben

    Not sure about Corsairs, another rarity here but I think the charter industry has killed cruising tri's with its insatiable thirst for condomarans. I've always thought tri's are for sailors and cats are for tourists. The market has decided. Perhaps it's our ever shrinking leisure time that is killing the home build ? Or maybe it's just the lack of inspiring design, we need a Richard Woods type reinventing the cruising tri !
     
  12. Corley
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    Corley epoxy coated

    I think we can see that mainstream acceptance of catamarans has not improved the breed. There seems to be more roomerans than ever I'm certainly not excited by the general standard of production/charter catamarans that are on offer.

    There are some manufacturers offer a decent product but I'm always taken aback by how heavy even the more performance oriented designs are. Take the Outremer 4x for example it's a sharp looking boat and more performance oriented than most but still weighs in at 8.2 tonne.

    http://www.aeroyacht.com/sailing-ca...arans/outremer-4x-catamaran/specifications-3/

    The Fountaine Pajot Helia 44 is 10.8 tonnes lightship I realize it's a cruising boat but still very weighty for its length.

    http://www.fountainepajot.com.au/sail-range/helia-44-evolution/

    So maybe it's a good thing that trimarans remain somewhat more unusual than run of the mill cruising catamarans designed to accommodate charterers and lots of heavy accessories and cruising comforts. The production trimarans while perhaps heavier than optimal at least seem to sit within reason of the weight targets you would expect for a performance cruising boat.

    The only bright spot I see for production boats is the Dazcat range. The 1495 design for example is 5500kg's for a 15 metre catamaran, that's more like it.

    http://www.dazcat.com/d1495.html
     
  13. Barra
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    Barra Junior Member

    Corely, I'm not sure you are comparing apples with apples.

    The limited production trimarans on offer bare a remarkable resemblance to the
    production catamarans targeting the same market. NEEL for instance.

    If Dazcat is a brightspot then were all in strife , cause the 1495 stripped out weighs in at over 7 tons on MOCRA (hissy fit).The bare carbon Mast section alone unpainted is over 200kg.

    Add all the cruisey bits and we have a 10 ton boat. You really need to ask questions like do you want diesels? and how long do you want it to last while its bouncing against an old timber jetty when a fender board accidentally pops out? before you can catagorise a performance cruiser as "unnecesarily" heavy for purpose.

    They weigh what they weigh and the basic structure often isn't the heaviest part.
     
  14. Corley
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    Corley epoxy coated

    I don't know that I was trying to make a judgement about how fit they are for purpose. Undoubtedly plenty of those catamarans I've listed have been used in ocean conditions and circumnavigated. Most craft will do the job as long as they are sailed within their limits. I didn't think Hissy Fit was especially stripped out it looked pretty comfortable even in racing trim.

    I've not been able to find a lightship weight for the Neel 45 the Wikipedia entry suggests 6500kg's for the platform, that seems too light considering how much accommodation and fitout that it has.
     

  15. Barra
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    Barra Junior Member


    yes, i'm not sure we can believe anything a salesman or manufacturer says about a vessels weight. A supervised load cell session for a rating certificate is
    what we need.
     
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