Recent Content by Guido

  1. Guido
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    Searching for fuel efficient powerboat

    They say that their hulls come from Fast Sail Motor but are optimized for a power boat and they added spray rails to prevent the problem of water...
    Post by: Guido, Oct 24, 2012 in forum: Powerboats
  2. Guido
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    Searching for fuel efficient powerboat

    As I promised attached are some more information on their boats. You'll find also in the .zip file a video of a Stefini Fast Sail Motor sailing at...
    Post by: Guido, Oct 22, 2012 in forum: Powerboats
  3. Guido
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    Planing v semidisplacement

    Poll Dear forum users, I'd appreciate very much your opinion on a new semidisplacement/low planing speed boat project. I'd be very grateful in...
    Post by: Guido, Oct 5, 2012 in forum: Powerboats
  4. Guido
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    Help With Economical Semi-Planing Designs

    Poll Dear forum users, I'd appreciate very much your opinion on a new semidisplacement/low planing speed boat project. I'd be very grateful in...
    Post by: Guido, Oct 5, 2012 in forum: Powerboats
  5. Guido
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    Surface propeller and low speed displacement boat

    Poll Dear forum users, I'd appreciate very much your opinion on a new semidisplacement/low planing speed boat project. I'd be very grateful in...
    Post by: Guido, Oct 5, 2012 in forum: Surface Drives
  6. Guido
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    Comparison testing of an Atkin tunnel-stern v-bottom Seabright skiff and another boat

    Poll Dear forum users, I'd appreciate very much your opinion on a new semidisplacement/low planing speed boat project. I'd be very grateful in...
    Post by: Guido, Oct 5, 2012 in forum: Boat Design
  7. Guido
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    Semiplaning / transitional Hull

    Poll Dear forum users, I'd appreciate very much your opinion on a new semidisplacement/low planing speed boat project. I'd be very grateful in...
    Post by: Guido, Oct 5, 2012 in forum: Boat Design
  8. Guido
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    Downeast hull design

    Poll Dear forum users, I'd appreciate very much your opinion on a new semidisplacement/low planing speed boat project. I'd be very grateful in...
    Post by: Guido, Oct 5, 2012 in forum: Boat Design
  9. Guido
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    Controlable Pitch Prop low rpm efficiency question

    Does the consumption depend on rpm or on hp? Maybe it should be necessary to have a specific fuel consumption curve of the engine. I'll try to...
    Post by: Guido, Oct 1, 2012 in forum: Props
  10. Guido
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    Controlable Pitch Prop low rpm efficiency question

    I'm not able to answer you about slip/pitc/diameter issues. I hope that some of this forum users could help us. Regarding to fuel gain my...
    Post by: Guido, Oct 1, 2012 in forum: Props
  11. Guido
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    Controlable Pitch Prop low rpm efficiency question

    TeddyDiver, Fast Fred, Joakim, philSweet and other posters of this thread, I would appreciate very much your opinion on my "semidisplacement/low...
    Post by: Guido, Sep 30, 2012 in forum: Props
  12. Guido
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    Controlable Pitch Prop low rpm efficiency question

    The post design ambition is to give the possibility to operate with the boat in a wide range of speed deciding to go faster/ slower depending on...
    Post by: Guido, Sep 30, 2012 in forum: Props
  13. Guido
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    Controlable Pitch Prop low rpm efficiency question

    Attached the power/ torque curves for this engine. Regards Guido
    Post by: Guido, Sep 28, 2012 in forum: Props
  14. Guido
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    Controlable Pitch Prop low rpm efficiency question

    Just to have a practical example, here you are a performance graph of a Ellis 36’ semisplacement Lobster Yacht (440 hp yanmar engine) This are...
    Post by: Guido, Sep 28, 2012 in forum: Props
  15. Guido
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    new semidisplacement/low planing speed boat project

    So far very few user has filled in my web questionnaire (look at my first post). Any problem in doing it? Too much complex questions? Spamming...
    Post by: Guido, Sep 28, 2012 in forum: Boat Design