Hydrodynamics and Aerodynamics

Technical discussion on fluid dynamics: theory and analysis.

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  1. Submarine Tom

    What Makes a Stone Skip When Tossed Across a Pond?

    Submarine Tom, Mar 29, 2012 ... 2 3 4
    Replies:
    57
    Views:
    7,178
    masalai
    Apr 26, 2012
  2. daiquiri

    What is the propulsive efficiency of oars?

    daiquiri, Jun 27, 2013 ... 3 4 5
    Replies:
    68
    Views:
    15,045
    El_Guero
    Jul 26, 2013
  3. Squidly-Diddly

    What is that ultra-sonic distorted waterfall gizmo seen at fairs?

    Squidly-Diddly, Dec 16, 2016
    Replies:
    14
    Views:
    3,482
    hoytedow
    Dec 20, 2016
  4. Adeyele

    What is shaft power formular

    Adeyele, Aug 30, 2012
    Replies:
    0
    Views:
    1,776
    Adeyele
    Aug 30, 2012
  5. markmal

    What is a significance of a wing thickness

    markmal, Nov 16, 2012 ... 5 6 7
    Replies:
    93
    Views:
    27,619
    P Flados
    Mar 8, 2013
  6. dustman

    What hull will be most efficient between 8-12 kts?

    dustman, Oct 9, 2021 ... 5 6 7
    Replies:
    99
    Views:
    10,536
    S V
    Nov 4, 2021
  7. Sailor Al

    What hold galaxies together?

    Sailor Al, Aug 3, 2022 ... 9 10 11
    Replies:
    161
    Views:
    12,424
    Paul Scott
    Mar 8, 2023
  8. suprathepeg

    What height should I set the cavitation plate on this boat?

    suprathepeg, Oct 16, 2015
    Replies:
    2
    Views:
    2,583
    PAR
    Oct 17, 2015
  9. sun

    What does the changing wave value in brackets mean?

    sun, Sep 18, 2021
    Replies:
    0
    Views:
    1,259
    sun
    Sep 18, 2021
  10. Leo Lazauskas

    What does "engineering accuracy" mean to you?

    Leo Lazauskas, Feb 4, 2013 ... 4 5 6
    Replies:
    89
    Views:
    16,807
    jehardiman
    Feb 12, 2013
  11. Alan Cattelliot

    What do you think of adding a meteo section in this forum ?

    Alan Cattelliot, Dec 18, 2022
    Replies:
    2
    Views:
    935
    Alan Cattelliot
    Dec 18, 2022
  12. MantaRay

    What do you think about this hydrofoil?

    MantaRay, Mar 9, 2013 ... 2
    Replies:
    23
    Views:
    10,308
    Stumble
    Oct 16, 2015
  13. fritzdfk

    What are These?

    fritzdfk, Feb 26, 2015
    Replies:
    9
    Views:
    2,274
    Mr Efficiency
    Feb 27, 2015
  14. alan craig

    Weymouth Speed Week (archive) late 1980's

    alan craig, Apr 8, 2020
    Replies:
    10
    Views:
    2,456
    BlueBell
    Apr 9, 2020
  15. jake wilson

    wetted surface area of appendages

    jake wilson, Aug 20, 2021
    Replies:
    5
    Views:
    2,324
    jake wilson
    Sep 1, 2021
  16. SailorSteve

    Wetted surface area III corrections

    SailorSteve, Jul 16, 2012
    Replies:
    2
    Views:
    3,083
    rxcomposite
    Jul 19, 2012
  17. jbo_c

    Weight effect on trim

    jbo_c, Dec 1, 2022
    Replies:
    2
    Views:
    846
    jbo_c
    Dec 1, 2022
  18. Adam B

    website which calculates drag?

    Adam B, Mar 29, 2013
    Replies:
    4
    Views:
    2,302
    Adler
    Apr 21, 2013
  19. myszek

    Wave-making drag for asymmetrical hulls

    myszek, Jul 21, 2020
    Replies:
    5
    Views:
    1,959
    myszek
    Jul 24, 2020
  20. tropostudio

    Wave Tank Question

    tropostudio, Nov 16, 2021 ... 2 3
    Replies:
    30
    Views:
    5,533
    tropostudio
    Dec 7, 2022
  21. Crowsnest

    Wave Spectrums

    Crowsnest, Aug 23, 2013
    Replies:
    7
    Views:
    3,891
    Crowsnest
    Aug 24, 2013
  22. zstine

    Wave Resistance on Submarine vs Surface

    zstine, Jun 17, 2022 ... 2
    Replies:
    22
    Views:
    4,063
    jehardiman
    Dec 17, 2022
  23. Remmlinger

    Wave resistance of rudder, using Michlet

    Remmlinger, Sep 1, 2012 ... 2
    Replies:
    19
    Views:
    5,156
    Leo Lazauskas
    Sep 5, 2012
  24. BlunderBus

    Wave Piercing - What vertical profile to split waves

    BlunderBus, Dec 8, 2014 ... 2
    Replies:
    16
    Views:
    5,083
    JRD
    Dec 26, 2014
  25. ShaneK

    Wave piercers

    ShaneK, Feb 21, 2018 ... 3 4 5
    Replies:
    70
    Views:
    10,611
    BMcF
    Jul 13, 2018
  26. AAbercrombie

    Wave Making Resistance

    AAbercrombie, Oct 24, 2016
    Replies:
    6
    Views:
    3,372
    tspeer
    Oct 27, 2016
  27. rogerlee

    Wave loads on cylinder

    rogerlee, Jul 6, 2015
    Replies:
    2
    Views:
    1,843
    rogerlee
    Jul 8, 2015
  28. dustman

    Wave interference in catamarans

    dustman, Dec 1, 2020
    Replies:
    10
    Views:
    3,062
    Mr Efficiency
    Jan 26, 2021
  29. myszek

    Wave drag caused by propellers

    myszek, Jun 19, 2013
    Replies:
    4
    Views:
    2,345
    Leo Lazauskas
    Jun 20, 2013
  30. rwar

    Wave Creation

    rwar, Jan 25, 2016 ... 2 3
    Replies:
    32
    Views:
    6,074
    daiquiri
    Jan 27, 2016
  31. James Stone

    Waterline length on sternwheeler

    James Stone, Aug 22, 2017
    Replies:
    2
    Views:
    1,522
    James Stone
    Aug 23, 2017
  32. 23feet

    Waterline length includes the rudder? Displacement speed.

    23feet, Oct 19, 2020
    Replies:
    3
    Views:
    2,542
    fredrosse
    Feb 4, 2021
  33. JGrimes

    Waterjets in an RC Model Boat

    JGrimes, Oct 7, 2011
    Replies:
    8
    Views:
    4,582
    JGrimes
    Oct 10, 2011
  34. jjj

    Water jet active stabilizers

    jjj, May 20, 2020 ... 2
    Replies:
    16
    Views:
    3,281
    BMcF
    Jun 25, 2020
  35. Sailor Al

    Was Marchaj having us on?

    Sailor Al, Apr 12, 2021 ... 14 15 16
    Replies:
    235
    Views:
    22,759
    gonzo
    Jan 5, 2023
  36. Mike Graham

    WAMIT source code

    Mike Graham, Aug 1, 2013
    Replies:
    6
    Views:
    4,125
    Leo Lazauskas
    Aug 8, 2013
  37. kt787

    WAMIT dimensioning

    kt787, May 8, 2013
    Replies:
    3
    Views:
    2,111
    Murdock86
    May 21, 2013
  38. Anthony Appleyard

    Wakes

    Anthony Appleyard, Apr 24, 2014 ... 2
    Replies:
    25
    Views:
    9,223
    Anthony Appleyard
    Sep 16, 2017
  39. tspeer

    Wake Wash

    tspeer, Oct 20, 2013 ... 3 4 5
    Replies:
    66
    Views:
    13,758
    markdrela
    Jan 20, 2014
  40. Will Fraser

    VWS D-series hull data

    Will Fraser, Jul 24, 2018
    Replies:
    0
    Views:
    1,704
    Will Fraser
    Jul 24, 2018
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