Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    535
    Messages:
    6,259
    Latest: How do different propeller shaft angles impact the performance of marine vessels? philSweet, Apr 19, 2024 at 10:34 PM
    RSS

  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    186
    Messages:
    2,860
    Latest: Longtail Evolution Dave G 9N, Jan 20, 2024
    RSS

  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    461
    Messages:
    4,431
    Latest: Vospower water jets Maksim Smirnov, Apr 18, 2024 at 6:48 AM
    RSS

  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    1,029
    Messages:
    9,902
    Latest: How many adjustment points are there on a 1999 25 hp carb? valvebounce, Feb 27, 2024
    RSS

  5. Sterndrives

    Stern drive lower and upper units, transom and gimbal assemblies, steering, and trim pumps. Mercruiser (Alpha One, Alpha One Generation II, Alpha SS, Bravo One, Bravo Two, Bravo Three, Bravo XR Sportmaster, TRS, Speed Master), IMCO, ILMOR, Konrad, OMC, Volvo Penta
    Discussions:
    547
    Messages:
    3,828
    Latest: Welded metal belows - would that work for sterndrive? Nidza, Oct 20, 2023
    RSS

  6. Pod Drives

    Volvo IPS, ZF, CMD Zeus, and other pod-drive systems
    Discussions:
    29
    Messages:
    299
    Latest: 50-200 hp electric pod with nozzle and motor on hub? ram68ocean, Jul 5, 2021
    RSS

  7. Inboards

    Inboard and Vee-drive hardware: struts, stuffing boxes, transmissions, coolers
    Discussions:
    535
    Messages:
    4,968
    Latest: Use oversized flexible coupling? comfisherman, Mar 9, 2024
    RSS

  8. Diesel Engines

    Diesel Engines
    Discussions:
    682
    Messages:
    8,498
    Latest: Hino WO4CTI in a 26' Tollycraft David Swingler, Mar 22, 2024
    RSS

  9. Gas Engines

    Gasoline Engines
    Discussions:
    422
    Messages:
    4,650
    Latest: starting rebuild engine comfisherman, Aug 31, 2023
    RSS

  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    99
    Messages:
    1,952
    Latest: ask for help in Converting a propulsion system for a tugboat to a fully electric Rumars, Apr 9, 2024
    RSS

  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    211
    Messages:
    5,256
    Latest: Hydrogen Fuel cells for ships DogCavalry, Jan 3, 2024
    RSS

  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    276
    Messages:
    5,576
    Latest: New Detroit Diesel Marinization Chris Konrad, Feb 14, 2024
    RSS
Page 24 of 25
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. Danger Mouse

    Schilling Rudders vs. NACA section

    Danger Mouse, Nov 15, 2004
    Replies:
    1
    Views:
    5,763
    Lee Martindale
    Dec 16, 2004
  2. JohnF

    Problematical Mercruiser Ford 302 (888)

    JohnF, Dec 14, 2004
    Replies:
    14
    Views:
    21,793
    JohnF
    Dec 15, 2004
  3. Richard Petersen

    Torque roll

    Richard Petersen, Dec 10, 2004
    Replies:
    5
    Views:
    4,077
    Richard Petersen
    Dec 13, 2004
  4. san

    Better Fuel Economy

    san, Dec 6, 2004
    Replies:
    7
    Views:
    10,438
    Richard Petersen
    Dec 12, 2004
  5. hilux38

    yanmar 6lp-stzp 315hp

    hilux38, Dec 6, 2004
    Replies:
    3
    Views:
    5,425
    hilux38
    Dec 7, 2004
  6. Monterey

    Diesel & raw water cooling, what to look for

    Monterey, Nov 16, 2004
    Replies:
    8
    Views:
    8,998
    kismet
    Dec 4, 2004
  7. Qqq

    Quest

    Qqq, Sep 20, 2004
    Replies:
    12
    Views:
    4,388
    Hydro
    Nov 30, 2004
  8. Tonyv8400

    Power Head v. Inboard Jet

    Tonyv8400, Nov 29, 2004
    Replies:
    0
    Views:
    3,728
    Tonyv8400
    Nov 29, 2004
  9. E4ODnut

    Hurth Transmission Noises?

    E4ODnut, Nov 26, 2004
    Replies:
    4
    Views:
    9,379
    nevd
    Nov 29, 2004
  10. LKurelja

    Jet Drive and Maneuverability

    LKurelja, Oct 28, 2004
    Replies:
    2
    Views:
    3,707
    D'ARTOIS
    Nov 29, 2004
  11. Fire9inspec

    looking for advice up in Alaska

    Fire9inspec, Nov 12, 2004
    Replies:
    1
    Views:
    2,822
    D'ARTOIS
    Nov 29, 2004
  12. E4ODnut

    351 Ford special spark plug wrench?

    E4ODnut, Nov 27, 2004
    Replies:
    5
    Views:
    7,238
    E4ODnut
    Nov 28, 2004
  13. 8knots

    Are The Big Slow Turners Gone?

    8knots, Nov 18, 2004
    Replies:
    4
    Views:
    4,237
    DGreenwood
    Nov 21, 2004
  14. E4ODnut

    351 Ford performance specifications?

    E4ODnut, Nov 19, 2004
    Replies:
    0
    Views:
    3,485
    E4ODnut
    Nov 19, 2004
  15. Mnemonic

    Need help with my 87 Mariner/Merc 60HP

    Mnemonic, Nov 9, 2004
    Replies:
    3
    Views:
    3,287
    Corpus Skipper
    Nov 18, 2004
  16. eclipse cruisin

    Are Marine Power diesel engines reliable

    eclipse cruisin, Nov 9, 2004
    Replies:
    3
    Views:
    5,751
    eclipse cruisin
    Nov 12, 2004
  17. drs3317

    Thansmission advise?

    drs3317, Nov 11, 2004
    Replies:
    3
    Views:
    2,904
    jav
    Nov 12, 2004
  18. Ben Lindenberg

    Offset single prop - which direction?

    Ben Lindenberg, Oct 15, 2004
    Replies:
    7
    Views:
    8,767
    Eric Sponberg
    Nov 10, 2004
  19. ADRIAN77

    Difficult To Find Book

    ADRIAN77, Nov 10, 2004
    Replies:
    0
    Views:
    2,820
    ADRIAN77
    Nov 10, 2004
  20. rod fox

    Prop-walk

    rod fox, Oct 31, 2004
    Replies:
    7
    Views:
    8,363
    Eric Sponberg
    Nov 8, 2004
  21. WinFlex

    Engine Replacement

    WinFlex, Jul 2, 2002
    Replies:
    14
    Views:
    14,578
    Jacob Fishing
    Oct 24, 2004
  22. mselle

    2 small waterjets in a 8 m boat

    mselle, Sep 5, 2004
    Replies:
    3
    Views:
    3,856
    hmattos
    Oct 23, 2004
  23. George Askew

    Diesel Outboards

    George Askew, Sep 12, 2004
    Replies:
    7
    Views:
    6,772
    nero
    Oct 20, 2004
  24. Guest

    Alignment Blues

    Guest, Sep 15, 2004 ... 2
    Replies:
    17
    Views:
    7,990
    MikeJohns
    Oct 13, 2004
  25. FAST FRED

    Numbers Crunched?

    FAST FRED, Oct 1, 2004
    Replies:
    2
    Views:
    3,176
    MikeJohns
    Oct 13, 2004
  26. Pat B

    Engine Torque Curves

    Pat B, May 6, 2004 ... 2
    Replies:
    22
    Views:
    26,560
    Brian Boulter
    Oct 6, 2004
  27. jfblouin

    Selfbuilding of a Jet-Drive system

    jfblouin, Sep 8, 2004
    Replies:
    10
    Views:
    6,385
    Tall Timber
    Sep 30, 2004
  28. finley

    Shave engine heads

    finley, Jun 15, 2004
    Replies:
    11
    Views:
    12,990
    woodboat
    Sep 28, 2004
  29. seacraft23

    mercury 200 1999 bushings

    seacraft23, Sep 24, 2004
    Replies:
    0
    Views:
    3,387
    seacraft23
    Sep 24, 2004
  30. piping-hot

    Which outdrive?

    piping-hot, Sep 22, 2004
    Replies:
    0
    Views:
    3,233
    piping-hot
    Sep 22, 2004
  31. ted Cichecki

    Fuel tank capacity ,outdrive dependibility

    ted Cichecki, Sep 19, 2004
    Replies:
    0
    Views:
    3,973
    ted Cichecki
    Sep 19, 2004
  32. jfc52

    sea ray prop for planing

    jfc52, Aug 24, 2004 ... 2
    Replies:
    20
    Views:
    23,670
    firestorm
    Sep 17, 2004
  33. fcfc

    silly question ?

    fcfc, Sep 16, 2004
    Replies:
    1
    Views:
    3,033
    jehardiman
    Sep 16, 2004
  34. Glasply-Cruiser

    Merc Cruiser 470 - Stern drive type?

    Glasply-Cruiser, Sep 14, 2004
    Replies:
    1
    Views:
    7,766
    Corpus Skipper
    Sep 15, 2004
  35. Steve H

    How much angle can a driveline handle??

    Steve H, Sep 9, 2004
    Replies:
    8
    Views:
    5,622
    Steve H
    Sep 15, 2004
  36. Monark

    Outboard setup

    Monark, Sep 12, 2004
    Replies:
    2
    Views:
    3,422
    gonzo
    Sep 13, 2004
  37. Dutch Peter

    Mercury Outboard Info

    Dutch Peter, Sep 10, 2004
    Replies:
    1
    Views:
    6,399
    yipster
    Sep 10, 2004
  38. wake711

    weedwacker? will it work

    wake711, Sep 5, 2004
    Replies:
    2
    Views:
    2,780
    Dutch Peter
    Sep 6, 2004
  39. davy jones

    prop shaft read out at packing gland

    davy jones, Sep 2, 2004
    Replies:
    0
    Views:
    4,497
    davy jones
    Sep 2, 2004
  40. Tucker

    Manifold Cleaning

    Tucker, Aug 24, 2004
    Replies:
    2
    Views:
    4,932
    gonzo
    Aug 25, 2004
Showing threads 921 to 960 of 977

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