Hydrodynamics and Aerodynamics

Technical discussion on fluid dynamics: theory and analysis.

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  1. Southern Cross

    Ground Effect. Why not just catch a plane?

    Southern Cross, Apr 1, 2013
    Replies:
    3
    Views:
    2,243
    Southern Cross
    Apr 1, 2013
  2. massandspace

    question on daggerboards for catamaran

    massandspace, Jun 25, 2018
    Replies:
    11
    Views:
    2,243
    upchurchmr
    Aug 2, 2018
  3. Jamie Kennedy

    to windward in a storm

    Jamie Kennedy, Feb 9, 2016
    Replies:
    4
    Views:
    2,241
    Jamie Kennedy
    Feb 10, 2016
  4. rolexer

    displacement to planning?

    rolexer, Feb 27, 2013
    Replies:
    4
    Views:
    2,239
    CWTeebs
    Feb 28, 2013
  5. Manfred.pech

    A new approach with foils ?

    Manfred.pech, Jul 4, 2015
    Replies:
    3
    Views:
    2,239
    Manfred.pech
    Jul 6, 2015
  6. muhammadzeeshan

    Hydrodynamic Diffraction +Time Response of Elastic Chord and suspension cable

    muhammadzeeshan, Jun 18, 2016
    Replies:
    4
    Views:
    2,235
    daiquiri
    Jun 22, 2016
  7. JerryWo

    Herreshoff NY30 fore-sail

    JerryWo, Nov 7, 2014
    Replies:
    9
    Views:
    2,222
    NoEyeDeer
    Nov 14, 2014
  8. Sander Rave

    Drag and prop selection

    Sander Rave, Jan 8, 2013
    Replies:
    4
    Views:
    2,221
    Sander Rave
    Jan 10, 2013
  9. HW77

    Inner tabs - hull extension?

    HW77, Oct 1, 2014
    Replies:
    4
    Views:
    2,208
    PAR
    Oct 4, 2014
  10. Dave_S

    T Rudder designs for cruising catamarans

    Dave_S, Oct 19, 2020
    Replies:
    7
    Views:
    2,194
    patzefran
    Oct 21, 2020
  11. Jgerstemeier

    Hullspeed calculations for larger vessels?

    Jgerstemeier, Jul 15, 2016
    Replies:
    8
    Views:
    2,188
    FAST FRED
    Jul 16, 2016
  12. Andrew Kirk

    The effect of a flat transom.

    Andrew Kirk, Aug 27, 2021
    Replies:
    2
    Views:
    2,186
    gonzo
    Aug 27, 2021
  13. marlin974

    hydrodynamics calculations

    marlin974, May 23, 2013
    Replies:
    2
    Views:
    2,185
    marlin974
    May 23, 2013
  14. Doug Lord

    5th High Performance Yacht Design Conference

    Doug Lord, Mar 9, 2015
    Replies:
    5
    Views:
    2,184
    Erwan
    Mar 13, 2015
  15. mtumut

    Is it possible, I took wigner function photograph on sea while ship maneuvering

    mtumut, Dec 31, 2016
    Replies:
    6
    Views:
    2,173
    Mr Efficiency
    Jan 3, 2017
  16. brian eiland

    Aircraft on Boats

    brian eiland, Jan 14, 2012
    Replies:
    1
    Views:
    2,171
    daiquiri
    Jan 14, 2012
  17. macsnail

    Drag test - information

    macsnail, Dec 8, 2016
    Replies:
    2
    Views:
    2,169
    Nick_D
    Jan 2, 2017
  18. fcfc

    Where to get papers ?

    fcfc, Nov 6, 2012
    Replies:
    3
    Views:
    2,164
    philSweet
    Nov 6, 2012
  19. Erwan

    Load & Bending Moment on a wingsail flap

    Erwan, Aug 20, 2015
    Replies:
    2
    Views:
    2,163
    Erwan
    Sep 1, 2015
  20. JustinT

    Foil Question

    JustinT, Nov 25, 2013
    Replies:
    5
    Views:
    2,161
    JustinT
    Nov 27, 2013
  21. mehdiaityoussef

    Optimal values ​​of the coefficients and parameters for fast boats

    mehdiaityoussef, Aug 18, 2013
    Replies:
    2
    Views:
    2,160
    mehdiaityoussef
    Aug 20, 2013
  22. DCockey

    Small Craft Engineering: Resistance, Propulsion and Sea Keeping, UM NAME Report 120

    DCockey, Jul 27, 2015
    Replies:
    0
    Views:
    2,159
    DCockey
    Jul 27, 2015
  23. Doug Lord

    Programmable Carbon Fiber

    Doug Lord, Oct 15, 2014
    Replies:
    2
    Views:
    2,158
    rwatson
    Oct 16, 2014
  24. willfox

    Dynamic Stability System

    willfox, Oct 1, 2011
    Replies:
    2
    Views:
    2,155
    willfox
    Oct 2, 2011
  25. Earl Boebert

    Book Review: The Enigma of the Aerofoil

    Earl Boebert, Dec 8, 2011
    Replies:
    0
    Views:
    2,151
    Earl Boebert
    Dec 8, 2011
  26. Wally2

    Wing on rudder = longer boat ? Help

    Wally2, Feb 16, 2019
    Replies:
    3
    Views:
    2,148
    messabout
    Feb 16, 2019
  27. HarryS

    Residuary resistance with Matlab

    HarryS, Dec 20, 2012
    Replies:
    3
    Views:
    2,147
    HarryS
    Dec 26, 2012
  28. Dolfiman

    Sailboat performance and seakeeping evaluation when sailing upwind on irregular seas

    Dolfiman, Sep 17, 2018
    Replies:
    3
    Views:
    2,146
    JosephT
    Sep 19, 2018
  29. revintage

    Keiper's Williwaw bow foils

    revintage, Dec 2, 2020
    Replies:
    9
    Views:
    2,145
    revintage
    Jan 25, 2021
  30. Ousmane

    Help Needed: Calculating Canoe Resistance for Mechanical Engineering Project

    Ousmane, Oct 31, 2023 ... 2
    Replies:
    22
    Views:
    2,137
    BlueBell
    Nov 5, 2023
  31. BobBill

    Wing (foil) Length v Width

    BobBill, May 13, 2012
    Replies:
    6
    Views:
    2,133
    BobBill
    May 14, 2012
  32. Doug Halsey

    Tip Vortex From a Shallow Foil

    Doug Halsey, Dec 24, 2018
    Replies:
    5
    Views:
    2,132
    BlueBell
    Dec 24, 2018
  33. naserrishehri

    Simulate Ship Motion In Shallow Water

    naserrishehri, Apr 23, 2015
    Replies:
    4
    Views:
    2,127
    Leo Lazauskas
    Apr 24, 2015
  34. nine6

    off-topic-ish: a maglev train - scaling mass and aerodynamic drag vs. friction drag

    nine6, Mar 17, 2015
    Replies:
    5
    Views:
    2,122
    jehardiman
    Mar 23, 2015
  35. Forecaddie

    Fixed wing sail controls and drawings

    Forecaddie, Aug 31, 2023
    Replies:
    14
    Views:
    2,120
    carbon_pirate
    Oct 19, 2023
  36. Mick@itc

    LAR keel and propeller

    Mick@itc, Jun 23, 2012
    Replies:
    0
    Views:
    2,117
    Mick@itc
    Jun 23, 2012
  37. Alexanov

    Ships lengthening

    Alexanov, Jun 6, 2020
    Replies:
    10
    Views:
    2,112
    Alexanov
    Jun 11, 2020
  38. quequen

    Immersed Transom Study - Farr Volvo 70

    quequen, Aug 26, 2015
    Replies:
    2
    Views:
    2,108
    Mikko Brummer
    Aug 26, 2015
  39. dustman

    Gap between luff and mast, effect on efficiency?

    dustman, Aug 29, 2020
    Replies:
    6
    Views:
    2,107
    dustman
    Sep 1, 2020
  40. gerar

    proof lamb-chaplygin dipole

    gerar, Feb 1, 2013
    Replies:
    8
    Views:
    2,104
    Submarine Tom
    Mar 6, 2013
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