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  1. dougfrolich
    Post

    Rudder foil shapes

    Search NACA 0012 offsets
    Post by: dougfrolich, Oct 20, 2012 in forum: Multihulls
  2. dougfrolich
    Post

    I need a paper by Lahtiharju on wave resistance

    here you go
    Post by: dougfrolich, Sep 22, 2012 in forum: Education
  3. dougfrolich
    Post

    Looking for Landing Craft Designer.

    Nice! W
    Post by: dougfrolich, Jul 20, 2012 in forum: Boat Design
  4. dougfrolich
    Post

    Looking for Landing Craft Designer.

    Sam sam, Since intreats rates are so low, I,m going to borrow a bunch of $$$$, and send it all to you,just promise me a good return.....what's...
    Post by: dougfrolich, Jul 19, 2012 in forum: Boat Design
  5. dougfrolich
    Thread

    New requierments for boats over 20ft.

    From Schumers Home Page: FOR IMMEDIATE RELEASE: July 15, 2012 SCHUMER, FAMILY OF LONG ISLAND BOATING VICTIM VICTORIA GAINES, CALL ON U.S....
    Thread by: dougfrolich, Jul 16, 2012, 69 replies, in forum: Stability
  6. dougfrolich
    Boat Design Gallery

    39 Ft. D.S.

    Uploaded by: dougfrolich, Jul 13, 2012, 0 comments, in album: Member Album by dougfrolich
  7. dougfrolich
    Post

    Sail Area vs Keel Area - Stability Calculation

    In the "spirit" meaning here is a fine preliminary math model for first estimates. Can we be more pedantic?
    Post by: dougfrolich, May 30, 2012 in forum: Hydrodynamics and Aerodynamics
  8. dougfrolich
    Post

    jacuzzi suppliers for yachts

    Great Info WJK--Thanks for the great link!
    Post by: dougfrolich, May 30, 2012 in forum: Fiberglass and Composite Boat Building
  9. dougfrolich
    Post

    Sail Area vs Keel Area - Stability Calculation

    I would recomend reading Areo-Hydrodynamics and the Performance of Sailing Yachts by Fabio Fossati In section- 6.4 Equilibrium under sail -...
    Post by: dougfrolich, May 30, 2012 in forum: Hydrodynamics and Aerodynamics
  10. dougfrolich
    Post

    boat stuck in mould

    Why dont you split the mold down the centerline?
    Post by: dougfrolich, May 29, 2012 in forum: Fiberglass and Composite Boat Building
  11. dougfrolich
    Post

    Prop Pocket

    Have a look at this for an idea http://www.boatdesign.net/gallery/showphoto.php/photo/15817/size/big/cat//ppuser/765
    Post by: dougfrolich, May 4, 2012 in forum: Boat Design
  12. dougfrolich
    Post

    The March 2012 issue of Westlawn Institute's free journal The Masthead is posted

    Always informative! Ps Good on ya Will Allison
    Post by: dougfrolich, Mar 24, 2012 in forum: Education
  13. dougfrolich
    Post

    DNV HSLC & SNC 2012 Rules

    Thanks for the link!
    Post by: dougfrolich, Mar 15, 2012 in forum: Class Societies
  14. dougfrolich
    Post

    Transferring Excel Data To Rhino?

    Both oustanding tips. Thanks for sharing them.
    Post by: dougfrolich, Feb 15, 2012 in forum: Software
  15. dougfrolich
    Post

    Carbon / Foam keel fin

    A ditto to Herman--- In my design above; I use a the D.Fir core because it will contribute to stiffness somewhat--and it provides a substrate to...
    Post by: dougfrolich, Feb 11, 2012 in forum: Fiberglass and Composite Boat Building
  16. dougfrolich
    Post

    lbs per sq. ft.

    Sink it into what? If you take an ave. seawater density of 64lbs./ft^3 then it would take 5.33 lbs.
    Post by: dougfrolich, Feb 11, 2012 in forum: Boatbuilding
  17. dougfrolich
    Post

    Press Release - Two New Boats From Imaginocean

    Great looking pair!! nice work Will.
    Post by: dougfrolich, Feb 11, 2012 in forum: Press Releases
  18. dougfrolich
    Post

    Cleopatra's Delight

    SirNightingale-- I love this idea---a mix between a Venetian gondola like Mr. E said and an Egyptian felucca. I'm in -- give me a shout and...
    Post by: dougfrolich, Feb 11, 2012 in forum: Boat Design
  19. dougfrolich
    Post

    Carbon / Foam keel fin

    Cpalm- I've used the approach that micheal pierzga, and tunnels have described above. I'm designing one now with similar dimensions to yours....
    Post by: dougfrolich, Feb 9, 2012 in forum: Fiberglass and Composite Boat Building
  20. dougfrolich
    Post

    steel hull protection paints epoxy ?

    http://www.ceram-kote.com/products/index.htm Very durable, outstanding elongation, etc... $$
    Post by: dougfrolich, Jan 27, 2012 in forum: Materials
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