Props

Propeller selection, performance comparison, prediction, experience, and modification.

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  1. Mitch1990

    How to find Delivered Power

    Mitch1990, May 29, 2020 ... 2
    Replies:
    25
    Views:
    5,636
    Mitch1990
    May 29, 2020
  2. subhabrata

    Ship-Engine-Propeller Matching

    subhabrata, Apr 12, 2020
    Replies:
    3
    Views:
    2,744
    bit
    May 28, 2020
  3. Nikarus

    Propeller selection for slow robot boat

    Nikarus, May 14, 2020
    Replies:
    14
    Views:
    3,682
    Nikarus
    May 19, 2020
  4. Ben Land

    Propeller test data

    Ben Land, Apr 22, 2020
    Replies:
    6
    Views:
    3,245
    Ben Land
    May 15, 2020
  5. Solarboat

    How to start design of propeller?

    Solarboat, Apr 22, 2020
    Replies:
    14
    Views:
    3,687
    missinginaction
    May 13, 2020
  6. deier

    Please help me with my school project

    deier, Apr 2, 2020
    Replies:
    5
    Views:
    2,082
    johneck
    Apr 16, 2020
  7. Samuel Neves Jocas

    Help with Kort No. 19A/37 Ordinates

    Samuel Neves Jocas, Mar 20, 2020
    Replies:
    1
    Views:
    3,698
    jehardiman
    Mar 20, 2020
  8. Samuel Neves Jocas

    Doubt: 0.7R Pitch and Pitch/Diameter ratio

    Samuel Neves Jocas, Mar 12, 2020 ... 2
    Replies:
    17
    Views:
    14,390
    jehardiman
    Mar 20, 2020
  9. Annode

    Help me get my head around variable pitch prop propulsion design

    Annode, Mar 1, 2020 ... 2
    Replies:
    15
    Views:
    6,096
    bajansailor
    Mar 6, 2020
  10. Mitch1990

    Kaplan Propeller Drawing

    Mitch1990, Mar 2, 2020
    Replies:
    12
    Views:
    7,280
    johneck
    Mar 4, 2020
  11. bateaudemoi

    Voith Schneider Propulsion for Smaller Vessels

    bateaudemoi, Feb 28, 2020
    Replies:
    3
    Views:
    3,737
    bateaudemoi
    Mar 2, 2020
  12. Nescio

    Shaft-generator on Tall ship

    Nescio, Jan 28, 2020
    Replies:
    5
    Views:
    3,135
    Adler
    Mar 1, 2020
  13. mike w. schultz

    Hi Thrust prop for outboard (twin) Power Trimaran

    mike w. schultz, Feb 28, 2020
    Replies:
    3
    Views:
    2,556
    Mr Efficiency
    Feb 28, 2020
  14. DennisRB

    Sizing prop and gear ratio for semi displacement speed cat?

    DennisRB, Jan 15, 2020
    Replies:
    5
    Views:
    3,431
    missinginaction
    Jan 19, 2020
  15. french44

    kaplan propellor looking for

    french44, Nov 18, 2011
    Replies:
    14
    Views:
    7,176
    Javier Allende
    Dec 16, 2019
  16. alby joy

    3 bladed propeller vs 4 bladed propeller

    alby joy, Apr 18, 2019 ... 2 3
    Replies:
    31
    Views:
    6,932
    powerabout
    Dec 14, 2019
  17. Callum Stark

    Ka4-55 with 19A Duct Model

    Callum Stark, Oct 25, 2019
    Replies:
    1
    Views:
    3,149
    jehardiman
    Nov 17, 2019
  18. Divan

    Prop Power Consumption

    Divan, Sep 6, 2019 ... 2
    Replies:
    15
    Views:
    5,832
    gonzo
    Sep 9, 2019
  19. NautiPhillip

    Low rpm prop for high torque diesel engine

    NautiPhillip, Sep 6, 2019
    Replies:
    5
    Views:
    5,109
    NautiPhillip
    Sep 7, 2019
  20. pdwiley

    Another Controllable Pitch Prop - a PNP Duerr Coaster

    pdwiley, Aug 26, 2016
    Replies:
    1
    Views:
    3,183
    Jozee
    Aug 11, 2019
  21. freddyj

    Small folding/feathering prop

    freddyj, Jul 14, 2019
    Replies:
    6
    Views:
    2,819
    JSL
    Aug 5, 2019
  22. Shannon Billman

    Choosing correct prop

    Shannon Billman, Jun 25, 2019
    Replies:
    2
    Views:
    2,784
    JSL
    Aug 1, 2019
  23. Ogrim

    Dimensionning Propeller WAGENINGEN Du-Delta diagram

    Ogrim, Jul 31, 2019
    Replies:
    1
    Views:
    2,729
    jehardiman
    Jul 31, 2019
  24. A Frayed Knot

    Racing Powerboat Prop Selection

    A Frayed Knot, Jul 25, 2019
    Replies:
    4
    Views:
    3,657
    Yellowjacket
    Jul 31, 2019
  25. BadCo

    Need help prop tuning....

    BadCo, Jul 20, 2019
    Replies:
    8
    Views:
    2,350
    Mr Efficiency
    Jul 21, 2019
  26. crankshaft

    Prop for a 27’ uniflite. (Big hp increase)

    crankshaft, Jul 14, 2019
    Replies:
    1
    Views:
    2,018
    missinginaction
    Jul 15, 2019
  27. Michelle Elliott

    3 blade propeller vs 4 blade propeller

    Michelle Elliott, Jun 27, 2019
    Replies:
    12
    Views:
    17,233
    Mr Efficiency
    Jul 1, 2019
  28. get reel

    repowered boat prop help needed

    get reel, Jun 26, 2019
    Replies:
    2
    Views:
    2,116
    baeckmo
    Jun 26, 2019
  29. steven starnes

    Willard MK4 prop

    steven starnes, Jun 24, 2019
    Replies:
    1
    Views:
    1,703
    gonzo
    Jun 25, 2019
  30. Tiny Turnip

    Propellor for pedal powered catamaran

    Tiny Turnip, Mar 31, 2008 ... 2 3
    Replies:
    41
    Views:
    57,563
    jit89
    Jun 17, 2019
  31. Squidly-Diddly

    few interesting claims about new prop with front and back vanes

    Squidly-Diddly, Jun 1, 2019
    Replies:
    0
    Views:
    1,858
    Squidly-Diddly
    Jun 1, 2019
  32. koios

    Prop design for low wattage boat

    koios, Apr 9, 2019 ... 2
    Replies:
    17
    Views:
    5,338
    jehardiman
    Apr 18, 2019
  33. Harmono Sri Waluyo

    Steering Gear

    Harmono Sri Waluyo, Mar 30, 2019
    Replies:
    0
    Views:
    1,683
    Harmono Sri Waluyo
    Mar 30, 2019
  34. missinginaction

    Replacing a damaged rudder

    missinginaction, Mar 9, 2019
    Replies:
    9
    Views:
    2,799
    missinginaction
    Mar 16, 2019
  35. Steamboat_Ed

    .dxf files??

    Steamboat_Ed, Mar 4, 2019
    Replies:
    2
    Views:
    1,794
    Adler
    Mar 5, 2019
  36. seadago

    prop duct on a sail boat

    seadago, Feb 28, 2019
    Replies:
    8
    Views:
    3,281
    seadago
    Mar 2, 2019
  37. PetterM

    Sizing Segmental Section Commercially Available Propellers for Small Craft

    PetterM, Feb 18, 2019
    Replies:
    2
    Views:
    3,029
    PetterM
    Feb 21, 2019
  38. rfleet1066

    River Boat prop

    rfleet1066, Feb 13, 2019
    Replies:
    7
    Views:
    3,368
    johneck
    Feb 14, 2019
  39. Hans Christian

    Standard propeller diameter depends on boat length, RPM, engine HP and/or load

    Hans Christian, Feb 7, 2019
    Replies:
    2
    Views:
    3,286
    kapnD
    Feb 8, 2019
  40. Rickard M

    Prop design 3D print small electric boat

    Rickard M, Dec 14, 2018
    Replies:
    0
    Views:
    3,377
    Rickard M
    Dec 14, 2018
Showing threads 81 to 120 of 543

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