Recent Content by RVELL

  1. RVELL
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    Sailing Foiler Design: Foil Assist and Full Flying

    Free Membership To The International Hydrofoil Society Hi Doug. Long time since we corresponded. Welcome as one of the newest members of the 50...
    Post by: RVELL, Jul 16, 2016 in forum: Hydrodynamics and Aerodynamics
  2. RVELL
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    Sailing Foiler Design: Foil Assist and Full Flying

    Lift formula expressed in the metric system Dear Number 4 Earlier in post number 7 of this thread I answered a similar question from Olav...
    Post by: RVELL, Dec 2, 2012 in forum: Hydrodynamics and Aerodynamics
  3. RVELL
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    Sailing Foiler Design: Foil Assist and Full Flying

    Olav, Thank you for your thoughts on the lift formula that was simplified for my book, "Hydrofoils: Design, Build, Fly". As you point out, I...
    Post by: RVELL, Dec 26, 2011 in forum: Hydrodynamics and Aerodynamics
  4. RVELL
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    Pedal Powered Boats

    human powered videos that might be of interest: FYI, Here are a couple of human powered videos that might be of interest:...
    Post by: RVELL, Aug 7, 2008 in forum: Boat Design
  5. RVELL
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    Foiler Design

    On the Winged Trimaran tread I just posted this review and its subject may be of interest to Moth designers and builders: Review, by Ray...
    Post by: RVELL, Jan 28, 2008 in forum: Sailboats
  6. RVELL
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    Winged Trimaran-Kotaro Horiuchi

    This may be a little late, but better than never. Recently I reviewed Mr Horiuchi's book in cooperation with the International Hydrofoil Society....
    Post by: RVELL, Jan 28, 2008 in forum: Multihulls
  7. RVELL
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    Foiler Design

    Foil fabrication, more Good response, Tom & Boogie. Actually within our little group of hydrofoil fans here in San Diego we have purchased...
    Post by: RVELL, Apr 13, 2005 in forum: Sailboats
  8. RVELL
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    Foiler Design

    Ogival or plano-convex hydrofoil Originally posted by Ian Ward ...I would like to propose we begin a completely new thread, to encourage a...
    Post by: RVELL, Apr 11, 2005 in forum: Sailboats
  9. RVELL
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    Foiler Design

    forget the canard? Ian, This is a little late getting back to you; I was out splashing in the water. Remember, weeks of building and...
    Post by: RVELL, Feb 21, 2004 in forum: Sailboats
  10. RVELL
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    Foiler Design

    What happens when a hydrofoil boat pitches forward? Wardy, You have asked a good, thoughtful question. The answer is rather lengthy....
    Post by: RVELL, Feb 19, 2004 in forum: Sailboats
  11. RVELL
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    Foiler Design

    For me, contributing to this thread is on-the-job-training. The "Percent change in Lift..." chart in my last message appeared to be small and...
    Post by: RVELL, Feb 18, 2004 in forum: Sailboats
  12. RVELL
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    Foiler Design

    Percent lift change with various wing loading Hello, Tom: You wrote: If the canard is trimmed at a higher lift coefficient than the main foil,...
    Post by: RVELL, Feb 17, 2004 in forum: Sailboats
  13. RVELL
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    Foiler Design

    You have provided a very good explanation of pitch stability using asymmetrical wing loading, etc. I would very much like to hear your comments...
    Post by: RVELL, Feb 15, 2004 in forum: Sailboats
  14. RVELL
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    Foiler Design

    Front foil configuration Hi Wardi, Here are some ideas in response to your questions. At 450 cm^2 your front foil does sound proportional,...
    Post by: RVELL, Feb 14, 2004 in forum: Sailboats
  15. RVELL
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    Foiler Design

    Pitch stability & front foil design It is a fine discussion you are having at boatdesign.net. Our small group in San Diego, California, is...
    Post by: RVELL, Feb 12, 2004 in forum: Sailboats