beach cat

Discussion in 'Multihulls' started by Natsu, Jul 31, 2008.

  1. Natsu
    Joined: Jul 2008
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    Location: USA

    Natsu 8 trigrams

    hello all


    I am looking for some help on a future project. I am looking to build a small beach cat. Similar to the sail cat, with the pontoons being 12-15 feet each. But I am having trouble. Can anyone offer a fast, cheap solution to building these.

    Material, maybe better dimensions, or anything else.


    thank you
     
  2. CTMD
    Joined: Dec 2007
    Posts: 198
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    Location: Melbourne, Aus

    CTMD Naval Architect

    How about an F12 catamaran.

    The DS12 plans are free and it can be built quickly and easily. If you want something bigger look into a Paper Tiger.

    Building photos here

    For more info contact me.

    [​IMG]
     
  3. kengrome
    Joined: Jul 2006
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    Location: Gulf Coast USA

    kengrome Senior Member

    Hi Chris,

    Are the DS12 plans really free? If so, where can I get them? Are they downloadable?
     
  4. pulsar
    Joined: Aug 2006
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    Location: Poland

    pulsar Mechanical engineer

    Do you know any dimensions of that cat (lenght, width, weight, displacement, sail area)?

    I'm also interested in getting those plans.

    Best regards

    Pulsar
     
  5. CTMD
    Joined: Dec 2007
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    Location: Melbourne, Aus

    CTMD Naval Architect

    Length: 2.8m
    Beam: 2m
    Sail area: 7m
    weight:50-55kg

    target crew weight 50-60kg (a kids boat)

    contact me: info (at) ctmd.com.au for FREE plans and more info.
     
  6. grob
    Joined: Oct 2002
    Posts: 216
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    Location: Cotswolds Waterpark, UK

    grob www.windknife.com

    As well as Chris's excellent design a second poster on here (Retired geek) also offers another free F12 design, for more information go over to the catsailor F12 forum.

    http://www.catsailor.com/forums/postlist.php?Cat=0&Board=Formula12

    Chris's design is the first to hit the water but a few of RG's are aso being built, its amazing that two designers are prepared to offer these plans for free to help to bring catamrans to the youth market. They should both be congratulated for there efforts.

    Gareth
     
  7. kengrome
    Joined: Jul 2006
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    Location: Gulf Coast USA

    kengrome Senior Member

    There are thousands of posts there! Can you post just one link to the downloadable plans?
     
  8. grob
    Joined: Oct 2002
    Posts: 216
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    Location: Cotswolds Waterpark, UK

    grob www.windknife.com

    There are no downloadable plans, you have to contact either Chris or RG personally to get the plans, just send them a PM on either this forum or the catsailor forum and they will help you.

    Read the thread titled "Kiwi F12 pics" to find out about RG's boat
    or the thread titled "DS12" to find out more about Chris's boat

    Both threads have some interesting build pictures.

    Gareth
     
  9. CTMD
    Joined: Dec 2007
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    Location: Melbourne, Aus

    CTMD Naval Architect

    Ken and Pulsar, plans are on their way. If you have any questions please don't hesitate to ask.

    Chris
     
  10. rayaldridge
    Joined: Jun 2006
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    Location: USA

    rayaldridge Senior Member

  11. pulsar
    Joined: Aug 2006
    Posts: 32
    Likes: 1, Points: 0, Legacy Rep: 30
    Location: Poland

    pulsar Mechanical engineer

    Thank you Chris for drawings.

    I spend few hours looking on them. As I can see it's fresh design.
    I have made freeship model of your hulls and check displacement and draft. Unfortunatly it is not for my weight(100kg).
    I wonder if is it possible to rescale that design to 14 feet and bigger displacement? Probably it's not so simple, but I'm not expert.


    I'm looking for cat which is:
    -very light(not more than25kg for each hull)
    -not longer than 14 feet
    -can be easily trasported on car roof
    -small draft
    -simple to connect in one piece.


    Is there anybody who knows other interesting catamarans design (besides cats like DUO425, F12 or four hulls X-cat, which are quite know and described on that forum)?

    Is idea of dividing one hull for two parts to be lighter and easier two trasport has any sense?

    Best regards
    Pulsar
     
  12. CTMD
    Joined: Dec 2007
    Posts: 198
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    Location: Melbourne, Aus

    CTMD Naval Architect

    Pulsar,

    I don't have time to do a re-design for you. I'd suggest looking into Paper Tigers, I think they'll fit you needs.

    Chris.
     
  13. pulsar
    Joined: Aug 2006
    Posts: 32
    Likes: 1, Points: 0, Legacy Rep: 30
    Location: Poland

    pulsar Mechanical engineer

    Chris,
    I haven't got it on my mind to ask you about. It was only theoretical question.
    Thanks fo advise.

    Best regards
    Pulsar
     
  14. Richard Woods
    Joined: Jun 2006
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    Location: Back full time in the UK

    Richard Woods Woods Designs

    Have you looked at my beach cat designs?? Pixie, Quattro 14 and 16.


    Richard Woods of Woods Designs

    www.sailingcatamarans.com
     

  15. rayaldridge
    Joined: Jun 2006
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    Location: USA

    rayaldridge Senior Member

    Here's a plug for Richard's beach cats. They're very well thought out, in my opinion. I've seen excerpts from Pixie's plans, and I learned a lot from them.

    Ray

    http://slidercat.com
     
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