Hydrodynamics and Aerodynamics

Technical discussion on fluid dynamics: theory and analysis.

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  1. Guest

    sail aerodynamics

    Guest, Mar 21, 2002 ... 62 63 64
    Replies:
    946
    Views:
    388,324
    Tony123
    Nov 9, 2025 at 8:21 PM
  2. laurencet

    Flap force simulation

    laurencet, Oct 25, 2025 ... 2
    Replies:
    22
    Views:
    1,069
    CocoonCruisers
    Nov 4, 2025 at 8:46 AM
  3. DunnX

    Additional Damping

    DunnX, Oct 16, 2025
    Replies:
    1
    Views:
    383
    jehardiman
    Oct 16, 2025
  4. Maxence

    Propeller position for optimal water flow

    Maxence, Oct 2, 2025 ... 2
    Replies:
    29
    Views:
    1,118
    BlueBell
    Oct 15, 2025
  5. DogCavalry

    Buttocks

    DogCavalry, Sep 30, 2019 ... 7 8 9
    Replies:
    121
    Views:
    18,538
    DogCavalry
    Oct 7, 2025
  6. DogCavalry

    A Research Program for Quantitative Wake Analysis

    DogCavalry, Sep 20, 2025 ... 2
    Replies:
    19
    Views:
    2,128
    BMcF
    Sep 26, 2025
  7. sanantonnio

    Space between mizzen mast and mainsail

    sanantonnio, Dec 7, 2017 ... 2 3 4
    Replies:
    49
    Views:
    11,684
    Paul Scott
    Sep 25, 2025
  8. Sgf

    Traditional rudder design query

    Sgf, Jul 12, 2025 ... 2 3
    Replies:
    34
    Views:
    3,527
    gonzo
    Sep 12, 2025
  9. seasquirt

    Reversing a balanced lug rig

    seasquirt, Jul 19, 2025
    Replies:
    10
    Views:
    2,808
    messabout
    Sep 6, 2025
  10. aL27jrcf

    [newbie]a rudder of a sailboat having entrance-exit holes?

    aL27jrcf, May 27, 2025
    Replies:
    14
    Views:
    1,766
    aL27jrcf
    Jul 21, 2025
  11. motorbike

    Keel Section

    motorbike, Feb 21, 2015 ... 2 3 4
    Replies:
    47
    Views:
    18,447
    Doug Halsey
    Jul 11, 2025
  12. javed

    Savitsky method result understanding confusion

    javed, Jun 17, 2025
    Replies:
    4
    Views:
    1,626
    Zachary Peter
    Jun 28, 2025
  13. Best Designer Ever

    Chine Location

    Best Designer Ever, Jun 12, 2025 ... 2
    Replies:
    16
    Views:
    2,060
    TANSL
    Jun 16, 2025
  14. 67-LS1

    Planing speed and pad bottoms

    67-LS1, Apr 19, 2025
    Replies:
    5
    Views:
    2,433
    braoun
    Jun 10, 2025
  15. CarlosK2

    Prof. Lex Keuning in Memoriam

    CarlosK2, Jun 2, 2025
    Replies:
    1
    Views:
    1,240
    CarlosK2
    Jun 2, 2025
  16. Anoop_ODL

    AQWA Fender Question

    Anoop_ODL, May 13, 2025
    Replies:
    3
    Views:
    1,616
    MaisieKeller
    May 20, 2025
  17. mc_rash

    heave oscillation floating body

    mc_rash, Jan 12, 2025
    Replies:
    5
    Views:
    2,521
    mc_rash
    May 14, 2025
  18. Greg Oosterbaan

    Reducing detachment drag

    Greg Oosterbaan, May 12, 2025
    Replies:
    7
    Views:
    1,712
    gonzo
    May 13, 2025
  19. Joonatan

    aft height effect on hull resistance on a vessel

    Joonatan, Feb 4, 2025
    Replies:
    3
    Views:
    2,336
    jehardiman
    May 2, 2025
  20. Alexanov

    Catamaran resistance

    Alexanov, Jan 13, 2025 ... 2
    Replies:
    18
    Views:
    5,148
    FESB
    Feb 20, 2025
  21. seasquirt

    Sailing in the shade

    seasquirt, Feb 15, 2025
    Replies:
    5
    Views:
    2,524
    seasquirt
    Feb 18, 2025
  22. montero

    Aerodynamic table

    montero, Feb 4, 2025 ... 2
    Replies:
    19
    Views:
    4,633
    montero
    Feb 13, 2025
  23. JC Campbell

    Water ballast

    JC Campbell, Dec 14, 2024 ... 2 3 4
    Replies:
    59
    Views:
    7,224
    Dave G 9N
    Feb 10, 2025
  24. aiprt

    Forces on mast foot

    aiprt, Nov 11, 2024 ... 2
    Replies:
    21
    Views:
    5,862
    CT249
    Jan 31, 2025
  25. Boston Hatteras

    Interceptor type hull trim devices

    Boston Hatteras, Jan 2, 2025
    Replies:
    6
    Views:
    3,287
    BMcF
    Jan 17, 2025
  26. CarlosK2

    The Contact Patch

    CarlosK2, Aug 13, 2024 ... 2
    Replies:
    20
    Views:
    4,987
    gonzo
    Jan 6, 2025
  27. Mikko Brummer

    Is circulation real?

    Mikko Brummer, Jan 25, 2013 ... 50 51 52
    Replies:
    765
    Views:
    112,318
    Sailor Al
    Jan 4, 2025
  28. Thinkoutbox

    Direct Upwind Sailing

    Thinkoutbox, Dec 25, 2024 ... 3 4 5
    Replies:
    73
    Views:
    8,617
    montero
    Jan 4, 2025
  29. Slingshot

    Foil section? For foil board

    Slingshot, Dec 24, 2019 ... 2 3
    Replies:
    34
    Views:
    18,447
    Erwan
    Dec 22, 2024
  30. ijonjio

    Calculating Boat's Diesel Consumption

    ijonjio, Dec 18, 2024
    Replies:
    4
    Views:
    2,591
    gonzo
    Dec 19, 2024
  31. Maarten88

    High Camber hydrofoil section for wingfoiler

    Maarten88, Jan 21, 2024
    Replies:
    10
    Views:
    7,903
    Rasmus Sass
    Dec 9, 2024
  32. kenfyoozed

    Tritoon center log not parallel

    kenfyoozed, Nov 9, 2024
    Replies:
    14
    Views:
    3,549
    kenfyoozed
    Nov 10, 2024
  33. naserrishehri

    Emergency Sailing With 1 Side Engine

    naserrishehri, Oct 29, 2024 ... 2
    Replies:
    15
    Views:
    4,070
    BlueBell
    Nov 3, 2024
  34. Vincent DePillis

    Could adding a Yankee power up my F31 upwind?

    Vincent DePillis, Oct 8, 2024
    Replies:
    7
    Views:
    3,350
    Paul Scott
    Oct 14, 2024
  35. Aaarrrggghhh

    Americas Cup Foils

    Aaarrrggghhh, Oct 1, 2024
    Replies:
    2
    Views:
    3,841
    Aaarrrggghhh
    Oct 6, 2024
  36. Paul Scott

    Kline Fogelman airfoils for sailboats?

    Paul Scott, Oct 3, 2024
    Replies:
    2
    Views:
    3,431
    Paul Scott
    Oct 4, 2024
  37. Heimfried

    To install kind of leeboards at a solar electric katamaran

    Heimfried, Sep 16, 2024 ... 2
    Replies:
    15
    Views:
    4,808
    jmwoodring
    Sep 30, 2024
  38. Collin

    Distribution of rocker.

    Collin, Nov 3, 2011 ... 2 3 4
    Replies:
    53
    Views:
    23,299
    hosscara
    Sep 28, 2024
  39. jmf11

    Which method/tool to compare two very different wingfoil boards?

    jmf11, Aug 26, 2024
    Replies:
    11
    Views:
    4,027
    CT249
    Sep 16, 2024
  40. Michael Lambert

    Questions about surface tension

    Michael Lambert, Aug 4, 2024 ... 2
    Replies:
    21
    Views:
    5,190
    Will Gilmore
    Sep 15, 2024
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