Hydrodynamics and Aerodynamics

Technical discussion on fluid dynamics: theory and analysis.

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  1. kmcfast

    “End-Plating” the Main and Mizzen

    kmcfast, May 20, 2011
    Replies:
    5
    Views:
    2,819
    philSweet
    May 28, 2011
  2. sun

    “Calculate the wind load in the direction of the incoming wind from 0° to 180° with an angle of 30°

    sun, Nov 3, 2021
    Replies:
    10
    Views:
    2,014
    powerabout
    Jan 26, 2022
  3. anthem

    yet another prismatic coefficient question!

    anthem, Sep 6, 2011
    Replies:
    5
    Views:
    5,149
    philSweet
    Sep 8, 2011
  4. MalSmith

    Yet another analogy for lift

    MalSmith, May 15, 2023
    Replies:
    14
    Views:
    1,567
    DogCavalry
    May 26, 2023
  5. monrosm@shrewsb

    Yacht Aerodynamics

    monrosm@shrewsb, Jan 10, 2011
    Replies:
    7
    Views:
    5,103
    Tim B
    Mar 17, 2011
  6. sigurd

    Xfoil vs javafoil?

    sigurd, Jul 12, 2011
    Replies:
    11
    Views:
    11,600
    sigurd
    Jul 16, 2011
  7. woodbuddha

    XFoil Modelling of Surfboard Fins

    woodbuddha, Jan 20, 2014
    Replies:
    14
    Views:
    6,080
    Leo Lazauskas
    Apr 18, 2014
  8. Dr34m3r

    X-Bow Hull from Ulstein

    Dr34m3r, Mar 2, 2020
    Replies:
    7
    Views:
    4,778
    Ad Hoc
    Jul 25, 2020
  9. Danviletim

    Would full extension swim platform add speed?

    Danviletim, May 18, 2014
    Replies:
    4
    Views:
    5,784
    tom28571
    May 26, 2014
  10. Tyler Flowers

    Would a tunnel cut out work on a Rybo Runner?

    Tyler Flowers, Jul 15, 2017
    Replies:
    1
    Views:
    1,456
    Mr Efficiency
    Jul 15, 2017
  11. Erwan

    WingSail Rake and Gybe Angle Question

    Erwan, Jul 18, 2011
    Replies:
    6
    Views:
    3,665
    Erwan
    Jul 22, 2011
  12. Inquisitor

    Wings on Cruising Catamarans

    Inquisitor, Sep 18, 2020
    Replies:
    5
    Views:
    5,484
    PeteK
    Oct 8, 2020
  13. Rockdamned

    wing software

    Rockdamned, Nov 22, 2011
    Replies:
    6
    Views:
    2,388
    Rockdamned
    Nov 24, 2011
  14. dustman

    Wing sail questions

    dustman, Jan 3, 2023 ... 2
    Replies:
    25
    Views:
    3,937
    dustman
    May 1, 2023
  15. Wally2

    Wing on rudder = longer boat ? Help

    Wally2, Feb 16, 2019
    Replies:
    3
    Views:
    2,143
    messabout
    Feb 16, 2019
  16. Konstanty

    Wing of the "Kasperwing" in sailing?

    Konstanty, May 2, 2016 ... 2
    Replies:
    28
    Views:
    18,949
    Petros
    Nov 3, 2016
  17. MichaelRoberts

    Wing mast section, truncated NACA 63015?

    MichaelRoberts, Sep 6, 2015 ... 2 3
    Replies:
    40
    Views:
    13,880
    brian eiland
    Feb 17, 2016
  18. Roelina

    Wing jib or sail jib?

    Roelina, Dec 5, 2016
    Replies:
    2
    Views:
    3,065
    tspeer
    Dec 9, 2016
  19. BobBill

    Wing Foils Below Waterline

    BobBill, Apr 22, 2012 ... 2
    Replies:
    21
    Views:
    6,191
    BobBill
    May 18, 2012
  20. schakel

    Wing design for the new AC 75 monofoiler

    schakel, Nov 24, 2017
    Replies:
    3
    Views:
    2,879
    Erwan
    Nov 25, 2017
  21. BobBill

    Wing (foil) Length v Width

    BobBill, May 13, 2012
    Replies:
    6
    Views:
    2,126
    BobBill
    May 14, 2012
  22. BobBill

    Wing "Sail/Foil" Question

    BobBill, May 21, 2012
    Replies:
    5
    Views:
    3,069
    tspeer
    May 24, 2012
  23. matt_bob

    Windsurfing Sail and mast design

    matt_bob, Apr 13, 2015 ... 2 3
    Replies:
    34
    Views:
    9,420
    Erwan
    May 12, 2015
  24. Grunf

    Windsurf raked sail

    Grunf, Nov 22, 2020 ... 2 3
    Replies:
    31
    Views:
    5,809
    Steve Clark
    Dec 30, 2020
  25. Howlandwoodworks

    Wind Tunnel testing for hull and rudder

    Howlandwoodworks, Jan 11, 2020
    Replies:
    9
    Views:
    3,029
    Yellowjacket
    Jan 12, 2020
  26. rsskarthikeyan

    Wind tunnel results of Low Reynolds number airfoils

    rsskarthikeyan, Mar 29, 2016
    Replies:
    2
    Views:
    3,013
    rsskarthikeyan
    Mar 30, 2016
  27. farjoe

    Wind Shadow of AC36 Boats

    farjoe, Mar 13, 2021
    Replies:
    12
    Views:
    2,555
    Mikko Brummer
    Apr 22, 2021
  28. kalvens

    wind pressure calculate

    kalvens, Jun 4, 2013
    Replies:
    9
    Views:
    5,991
    kalvens
    Jun 4, 2013
  29. Grunf

    Wind gradient - twist on windsurfing sail

    Grunf, Mar 8, 2020
    Replies:
    12
    Views:
    4,178
    Erwan
    Mar 12, 2020
  30. VaurienH

    wiglet wingsail

    VaurienH, Oct 10, 2012
    Replies:
    5
    Views:
    2,246
    tspeer
    Oct 10, 2012
  31. sigurd

    WIG spit chord question

    sigurd, Jul 8, 2011
    Replies:
    5
    Views:
    2,784
    Michael Y
    Aug 30, 2011
  32. Squidly-Diddly

    why can't they dredge dams with suction tubes?

    Squidly-Diddly, May 3, 2014 ... 2
    Replies:
    15
    Views:
    4,823
    tom28571
    May 11, 2014
  33. ziper1221

    Why are longer diving fins more efficient?

    ziper1221, Jun 24, 2021
    Replies:
    14
    Views:
    3,580
    gonzo
    Aug 30, 2021
  34. jon haig

    which will be faster,a catamaran,or 43' IOR racer,or 50' IOR racer

    jon haig, Aug 19, 2019 ... 2
    Replies:
    20
    Views:
    3,817
    jon haig
    Sep 11, 2019
  35. cmckesson

    Which towing tank do you use?

    cmckesson, Dec 1, 2014
    Replies:
    0
    Views:
    1,669
    cmckesson
    Dec 1, 2014
  36. heavyweather

    Which foil for very low speed

    heavyweather, Jun 12, 2017
    Replies:
    7
    Views:
    10,117
    tspeer
    Feb 22, 2019
  37. Remmlinger

    Where to publish

    Remmlinger, Mar 7, 2014
    Replies:
    4
    Views:
    3,518
    Leo Lazauskas
    Mar 17, 2014
  38. fcfc

    Where to get papers ?

    fcfc, Nov 6, 2012
    Replies:
    3
    Views:
    2,161
    philSweet
    Nov 6, 2012
  39. 23feet

    When does the low aspect foil shine?

    23feet, Dec 3, 2020
    Replies:
    13
    Views:
    3,094
    Eric ruttan
    Dec 23, 2020
  40. zeozeovt

    What theory use for design the Finger skirt ? (ACV)

    zeozeovt, Apr 17, 2012
    Replies:
    1
    Views:
    2,759
    Leo Lazauskas
    Apr 17, 2012
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