Props

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

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  1. Steve P

    propeller model

    Steve P, Oct 5, 2015
    Replies:
    3
    Views:
    2,962
    Steve P
    Oct 5, 2015
  2. doogymon

    Gori 2 Blade Folding Rebuild

    doogymon, Sep 15, 2015
    Replies:
    0
    Views:
    3,000
    doogymon
    Sep 15, 2015
  3. hellojaby

    what kind of this prop.

    hellojaby, Aug 25, 2015
    Replies:
    2
    Views:
    4,329
    7228sedan
    Sep 3, 2015
  4. Peter.D

    Prop for lightweight 15.5 ft runabout / 40 HP outboard

    Peter.D, Nov 10, 2014
    Replies:
    4
    Views:
    4,247
    sandhammaren05
    Aug 14, 2015
  5. Joris

    calculating prop. Need help.

    Joris, Feb 5, 2015 ... 2
    Replies:
    23
    Views:
    10,842
    sandhammaren05
    Aug 14, 2015
  6. Duco84

    Propeller size

    Duco84, May 26, 2015 ... 3 4 5
    Replies:
    70
    Views:
    18,815
    Duco84
    Aug 7, 2015
  7. born1957

    Simple CPP

    born1957, Jul 12, 2015
    Replies:
    10
    Views:
    4,660
    pdwiley
    Jul 14, 2015
  8. milo12

    Prop size limited question

    milo12, Jun 27, 2015
    Replies:
    10
    Views:
    4,978
    baeckmo
    Jul 2, 2015
  9. Deering

    hub lengths for inboard props?

    Deering, Jun 20, 2015
    Replies:
    8
    Views:
    4,910
    JSL
    Jun 21, 2015
  10. Jetsam

    Propeller inertia estimation

    Jetsam, Jun 3, 2015
    Replies:
    12
    Views:
    11,889
    daiquiri
    Jun 7, 2015
  11. MauritsDWT

    New propeller for a water bike

    MauritsDWT, Jun 4, 2015
    Replies:
    8
    Views:
    6,210
    CDK
    Jun 6, 2015
  12. NITHIN BABU

    Propeller Design.. Need HELP

    NITHIN BABU, May 26, 2015
    Replies:
    14
    Views:
    4,552
    TANSL
    May 28, 2015
  13. Extra300

    Prop Size New Downeast Performance Boat Build 1200HP

    Extra300, May 14, 2015
    Replies:
    1
    Views:
    3,325
    FAST FRED
    May 15, 2015
  14. valvebounce

    sheer pins

    valvebounce, May 9, 2015 ... 2
    Replies:
    15
    Views:
    4,851
    valvebounce
    May 10, 2015
  15. fritzdfk

    Light Power Cat

    fritzdfk, Apr 26, 2015
    Replies:
    9
    Views:
    3,179
    Mr Efficiency
    Apr 27, 2015
  16. tom kane

    How do propellers propell a boat.

    tom kane, Mar 12, 2015 ... 7 8 9
    Replies:
    126
    Views:
    25,951
    jehardiman
    Apr 27, 2015
  17. pop41

    wakeboard prop

    pop41, Apr 18, 2015
    Replies:
    3
    Views:
    2,743
    pop41
    Apr 18, 2015
  18. SebastianGeorge

    Propeller used in Rolls Royce US 25

    SebastianGeorge, Mar 10, 2015
    Replies:
    5
    Views:
    3,061
    SebastianGeorge
    Mar 13, 2015
  19. resynth

    Honda high thrust props

    resynth, Feb 19, 2015
    Replies:
    8
    Views:
    6,241
    resynth
    Feb 20, 2015
  20. DCockey

    Carbon fiber ship propeller

    DCockey, Sep 2, 2014
    Replies:
    9
    Views:
    5,439
    DuoPropper
    Feb 7, 2015
  21. PetterM

    Ka 4-55 with nozzle no. 19A – discrepancy

    PetterM, Jan 20, 2015
    Replies:
    5
    Views:
    6,364
    PetterM
    Feb 3, 2015
  22. manon

    How you will justify this body plan?

    manon, Jul 2, 2013 ... 2
    Replies:
    20
    Views:
    7,020
    gonzo
    Jan 29, 2015
  23. PetterM

    design chart for Ka 3–50 with 19A Nozzle

    PetterM, Jan 9, 2015
    Replies:
    0
    Views:
    3,446
    PetterM
    Jan 9, 2015
  24. Anupam

    Ka 3-65 Propeller Design

    Anupam, Dec 9, 2014
    Replies:
    6
    Views:
    5,789
    igorss
    Jan 9, 2015
  25. sottorf

    Strange Propeller

    sottorf, Sep 17, 2012 ... 2 3
    Replies:
    39
    Views:
    16,079
    Leo Lazauskas
    Dec 11, 2014
  26. malith

    Propeller for hydro-bike

    malith, Nov 12, 2014
    Replies:
    14
    Views:
    5,245
    baeckmo
    Nov 25, 2014
  27. doogymon

    Folding Prop Gender Conversion!

    doogymon, Nov 14, 2014
    Replies:
    2
    Views:
    2,821
    doogymon
    Nov 15, 2014
  28. YeaBouy2014

    Porpoising - would a 19 or a 26 pitch prop be better?

    YeaBouy2014, Nov 1, 2014
    Replies:
    4
    Views:
    5,225
    PAR
    Nov 3, 2014
  29. solarguy

    High pitch trolling motor prop for solar boat

    solarguy, Oct 29, 2014 ... 2 3
    Replies:
    34
    Views:
    20,038
    solarguy
    Oct 31, 2014
  30. DennisRB

    Will this prop spec work on my boat?

    DennisRB, Jun 16, 2014
    Replies:
    2
    Views:
    2,525
    DennisRB
    Oct 28, 2014
  31. Rodneyzhang

    Formula for twin propellers calculation

    Rodneyzhang, May 24, 2014
    Replies:
    6
    Views:
    4,561
    Rodneyzhang
    Oct 22, 2014
  32. Mik the stick

    Prop Calculations

    Mik the stick, Oct 21, 2014
    Replies:
    0
    Views:
    2,932
    Mik the stick
    Oct 21, 2014
  33. gathem

    Is the ratio of energy required to propell a boat: the hull area linear

    gathem, Oct 8, 2014
    Replies:
    8
    Views:
    2,890
    Fanie
    Oct 9, 2014
  34. SabTel

    electric motor for a small catamaran

    SabTel, Oct 9, 2014
    Replies:
    1
    Views:
    3,085
    gonzo
    Oct 9, 2014
  35. r3_alaska

    2 person Human powered boat

    r3_alaska, Jun 8, 2014
    Replies:
    8
    Views:
    3,954
    fusioneng
    Oct 2, 2014
  36. Jwil

    Scandy White Tunnel, prop only gets 5300 rpm

    Jwil, Sep 10, 2014
    Replies:
    2
    Views:
    2,558
    philSweet
    Sep 15, 2014
  37. TallyHo

    Propeller diameter influence on turning

    TallyHo, Sep 2, 2014
    Replies:
    5
    Views:
    3,506
    gonzo
    Sep 3, 2014
  38. Three Ts

    Need to gain 2-3 knots

    Three Ts, Jul 31, 2014 ... 2 3
    Replies:
    37
    Views:
    7,928
    baeckmo
    Aug 14, 2014
  39. zhmeww

    Kc ducted propller graph

    zhmeww, Jul 22, 2014
    Replies:
    1
    Views:
    2,466
    Yobarnacle
    Jul 22, 2014
  40. plr

    Gawn Propeller Charts

    plr, Jul 11, 2014
    Replies:
    6
    Views:
    5,925
    plr
    Jul 19, 2014
Showing threads 201 to 240 of 543

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