Radikal T26 trimaran by Perspective design

Discussion in 'Multihulls' started by Corley, Apr 16, 2014.

  1. Corley
    Joined: Oct 2009
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    Corley epoxy coated

    Another foray into the folding trailerable trimaran field this one designed by Phil Roulin of Perspective design.

    Hull (hulls?) #1 in full carbon construction close to splashing now.

    http://www.catsailingnews.com/2014/04/radikal-tri-by-perspective-design.html#more

    and their facebook page is here:

    https://www.facebook.com/pages/Trimaran-Radikal-T26/1410096839227207

    There is also a little more information and a few more renders on designer Phil Roulin's Perspective design page:

    http://www.perspective-design.com/Trimaran-Radikal-26ft-full-carbon.html#.U04Lh6-KDrc
     

    Attached Files:

  2. Doug Lord
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    Doug Lord Flight Ready

    Thanks , Corely. Great looking. Can't tell whether they plan on a daggerboard or not. Only one rendering seems to show it but the others don't and there doesn't appear to be an opening in the deck. Great to see them using ama foils! I wonder when we'll see a full size tri with UptiP foils?
    ---
    Check out their 24: http://www.perspective-design.com/Trimaran-24ft-demountable-trailerable.html
    And they seem to be involved in a hydrofoil windsurfer project: http://www.perspective-design.com/foil_windsurf_AFS-One_hydrofoil.html
     
  3. Corley
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    There certainly seems to be no daggerboard in the main hull it looks like the float daggerboards will serve the dual purpose of lifting and leeway reduction. If I'm reading correctly it lists light ship as 600kg which is pretty good for a performance trimaran that offers some reasonable accommodation.
     
  4. Corley
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    If you watch Phil Roulin's slideshow on the main page of his website it shows a render of a 19' trimaran (Exocet) with L type foils and T foil rudders. It looks interesting but only at a concept stage it appears.

    http://www.perspective-design.com/
     
  5. Doug Lord
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    Doug Lord Flight Ready

    ===================
    Corley, thats fantastic-the first tri design I've seen yet with slightly UptiP foils. I missed it first time around-thanks for pointing it out! I'm not sure they're really "uptip" though-looks more like a straight "L" to me. Maybe more like the Hydros main foil.
    UPDATE: looks like they took this design and added new foils: http://www.perspective-design.com/EN_sport_trimaran_19_ft.html
     
  6. Corley
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  7. Doug Lord
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    Doug Lord Flight Ready

    Radikal T26

    Thanks,Corley-sharp looking boat! I wonder if they're considering using the uptip foils?
     
  8. Corley
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    It looks like in this design they have really focused on making the most of the foil assist the float is fine at the bow and full at the rear to prevent squat.
     
  9. redreuben
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    redreuben redreuben

    That is an unusually deep cockpit, no berth or stowage under that.
     
  10. Corley
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    Agreed that there wont be much room underneath the cockpit sole but on the positive side the more squared off coachroof should allow decent space inside. A nice deep cockpit for daysailing is pleasant as it's where most people tend to congregate.
     
  11. pogo
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    pogo ingenious dilletante

    No , it isn't unusually deep.
    The whole cockpit is in front of the beam. Those little benches you see behind the beam are stowingboxes .
    The cockpit is a normal deep cockpit with benches. You don' t sit on deck like on many sportsboats.
    The cockpitfloor is high enough for stowage underneath , a portapotti for example--- note the ladder from cockpit into cabin.
    For having a normal deep benchcockpit and enough space for a berrth under it's floor, one must increase the freebord --on a26 footer it spoils the lines.
    See here , Drop26/Challenge26
    http://www.multihull.de/bilder/aufsicht/t_drop26.jpg
    http://www.navalforce3.com/pub/Drop_26/Brochure_de_presentation_du_Challenge_26.pdf

    Standing headroom on a 26 footer , without spoiling the lines too much , is hard to reach.
    A pleasing Solution, still without berth under the cockpit floor:
    http://privat.bahnhof.se/wb975169/boats.html


    Radikal 26
    My opinion( for those who can , or will use babelfish, whatever)
    http://forum.yacht.de/showthread.php?152147-Styling-u.-Design-radikal

    pogo
     
  12. Corley
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    Thanks for the links pogo I find the positioning of the head near the cockpit on Gepard XL very sensible and the boat doesn't look like a block of flats despite the extra freeboard and cabin height.
     
  13. Corley
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  14. Doug Lord
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    Doug Lord Flight Ready

    Radikal 26

    ====
    Looks good but the middle picture looks pretty narrow. I looked up the specs and it got an 18' beam(69%)-there are cats wider than that. Didn't notice it at all until that picture. Does it seem narrow overall to you?
     

  15. Corley
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    The beam is fairly narrow which should mean the main hull will fly pretty early. I'm interested to see how this approach works out and seeing a video of it sailing. There doesn't seem to be much dihedral either and the floats are mounted quite low.
     
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