Props

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

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  1. W9GFO

    Over propped? 18x4 3 blade vs 18 x 13 4 blade

    W9GFO, Aug 20, 2016
    Replies:
    13
    Views:
    3,261
    Easy Rider
    Dec 7, 2016
  2. yodani

    Help- High pitch propeller in displacement boat

    yodani, Aug 20, 2016 ... 2
    Replies:
    20
    Views:
    5,842
    yodani
    Nov 29, 2016
  3. benha

    KA-series prop geometry

    benha, Nov 10, 2016
    Replies:
    9
    Views:
    6,642
    johneck
    Nov 29, 2016
  4. rcnesneg

    Forward vs rear prop location

    rcnesneg, Nov 10, 2016
    Replies:
    2
    Views:
    1,822
    jehardiman
    Nov 10, 2016
  5. OCB

    Rim drive propellers/ pods drives

    OCB, Oct 22, 2016 ... 2
    Replies:
    15
    Views:
    4,519
    brian eiland
    Oct 24, 2016
  6. valvebounce

    Wot

    valvebounce, Oct 18, 2016
    Replies:
    6
    Views:
    2,596
    valvebounce
    Oct 19, 2016
  7. valvebounce

    Over revving

    valvebounce, Oct 18, 2016 ... 2
    Replies:
    15
    Views:
    8,193
    valvebounce
    Oct 19, 2016
  8. urisvan

    right propeller for my boat

    urisvan, Sep 6, 2016
    Replies:
    7
    Views:
    2,328
    gonzo
    Sep 8, 2016
  9. Rickdiaz

    Propeller Fabrication

    Rickdiaz, May 29, 2016 ... 2
    Replies:
    23
    Views:
    4,981
    Petros
    Aug 24, 2016
  10. quyetvtt46

    KCA propeller 3&4 blade section thickness

    quyetvtt46, Jun 29, 2016
    Replies:
    1
    Views:
    2,368
    bit
    Aug 15, 2016
  11. rfleet1066

    White lead

    rfleet1066, Aug 7, 2016
    Replies:
    5
    Views:
    2,290
    SamSam
    Aug 9, 2016
  12. mark424x

    Prop Dia vs Torque vs....5-6 ton sailing cat

    mark424x, Jul 25, 2016
    Replies:
    3
    Views:
    2,128
    mark424x
    Jul 30, 2016
  13. Mikthestik

    Range its all about efficiency

    Mikthestik, May 28, 2016 ... 2
    Replies:
    18
    Views:
    4,620
    mydauphin
    Jun 28, 2016
  14. black_sails

    from 1-8 props efficiency & other considerations

    black_sails, May 29, 2016
    Replies:
    1
    Views:
    2,102
    jehardiman
    May 30, 2016
  15. yodani

    Boat overpropped - need help please.

    yodani, May 20, 2016 ... 2
    Replies:
    21
    Views:
    4,555
    yodani
    May 29, 2016
  16. yodani

    Lost propeller needs temporary replacement- help

    yodani, May 22, 2016
    Replies:
    3
    Views:
    2,440
    gonzo
    May 23, 2016
  17. Northeaster

    How far aft is good clearance required under prop?

    Northeaster, May 4, 2016
    Replies:
    7
    Views:
    2,919
    yodani
    May 20, 2016
  18. rpiefke

    Prop diameter vs pitch

    rpiefke, May 2, 2016
    Replies:
    5
    Views:
    6,021
    Mr Efficiency
    May 2, 2016
  19. Mikthestik

    Power according to Ayre

    Mikthestik, Apr 16, 2016
    Replies:
    1
    Views:
    2,109
    FAST FRED
    Apr 17, 2016
  20. DennisRB

    Have a go at my prop sizing?

    DennisRB, Apr 4, 2016
    Replies:
    2
    Views:
    2,363
    DennisRB
    Apr 9, 2016
  21. Roflhat

    Modelling a propeller

    Roflhat, Sep 24, 2015 ... 2 3
    Replies:
    36
    Views:
    11,538
    Roflhat
    Mar 24, 2016
  22. DennisRB

    Prop coating for anti corrosion and fouling?

    DennisRB, Mar 13, 2016
    Replies:
    5
    Views:
    2,874
    DennisRB
    Mar 17, 2016
  23. naserrishehri

    semi submersible propellers

    naserrishehri, Feb 22, 2016
    Replies:
    0
    Views:
    2,122
    naserrishehri
    Feb 22, 2016
  24. DennisRB

    Any outboard props have 17 splines? Volvo folding prop conversion away from alloy.

    DennisRB, Feb 12, 2016
    Replies:
    12
    Views:
    4,242
    DennisRB
    Feb 14, 2016
  25. Deering

    Hung Shen props?

    Deering, Jan 22, 2016
    Replies:
    0
    Views:
    2,604
    Deering
    Jan 22, 2016
  26. ahmetcan_34

    Waterbike Propeller

    ahmetcan_34, Dec 14, 2015
    Replies:
    4
    Views:
    3,361
    philSweet
    Dec 15, 2015
  27. Steve Stephens

    looking for source of counter rotating props

    Steve Stephens, Aug 13, 2015
    Replies:
    7
    Views:
    3,388
    FishStretcher
    Dec 10, 2015
  28. burke

    Calling all prop clearance gurus

    burke, Jan 4, 2015
    Replies:
    12
    Views:
    10,167
    Barry
    Dec 1, 2015
  29. Alumination

    Propeller position / location relative to bottom of hull

    Alumination, Oct 22, 2015
    Replies:
    0
    Views:
    4,037
    Alumination
    Oct 22, 2015
  30. Steve P

    propeller model

    Steve P, Oct 5, 2015
    Replies:
    3
    Views:
    2,404
    Steve P
    Oct 5, 2015
  31. doogymon

    Gori 2 Blade Folding Rebuild

    doogymon, Sep 15, 2015
    Replies:
    0
    Views:
    2,563
    doogymon
    Sep 15, 2015
  32. hellojaby

    what kind of this prop.

    hellojaby, Aug 25, 2015
    Replies:
    2
    Views:
    3,927
    7228sedan
    Sep 3, 2015
  33. Peter.D

    Prop for lightweight 15.5 ft runabout / 40 HP outboard

    Peter.D, Nov 10, 2014
    Replies:
    4
    Views:
    3,313
    sandhammaren05
    Aug 14, 2015
  34. Joris

    calculating prop. Need help.

    Joris, Feb 5, 2015 ... 2
    Replies:
    23
    Views:
    8,844
    sandhammaren05
    Aug 14, 2015
  35. Duco84

    Propeller size

    Duco84, May 26, 2015 ... 3 4 5
    Replies:
    70
    Views:
    16,281
    Duco84
    Aug 7, 2015
  36. born1957

    Simple CPP

    born1957, Jul 12, 2015
    Replies:
    10
    Views:
    3,820
    pdwiley
    Jul 14, 2015
  37. milo12

    Prop size limited question

    milo12, Jun 27, 2015
    Replies:
    10
    Views:
    4,175
    baeckmo
    Jul 2, 2015
  38. Deering

    hub lengths for inboard props?

    Deering, Jun 20, 2015
    Replies:
    8
    Views:
    3,826
    JSL
    Jun 21, 2015
  39. Jetsam

    Propeller inertia estimation

    Jetsam, Jun 3, 2015
    Replies:
    12
    Views:
    9,223
    daiquiri
    Jun 7, 2015
  40. MauritsDWT

    New propeller for a water bike

    MauritsDWT, Jun 4, 2015
    Replies:
    8
    Views:
    5,361
    CDK
    Jun 6, 2015
Showing threads 161 to 200 of 535

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