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 23 of 25
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. ron17571

    low rpm diesel

    ron17571, Jan 16, 2005
    Replies:
    8
    Views:
    6,214
    asathor
    Mar 24, 2005
  2. boatgm

    Volvo D3

    boatgm, Mar 20, 2005
    Replies:
    13
    Views:
    12,905
    boatgm
    Mar 23, 2005
  3. neilashton

    Cary Marine 32'

    neilashton, Mar 21, 2005
    Replies:
    0
    Views:
    4,495
    neilashton
    Mar 21, 2005
  4. Lew Morris

    electric propulsion

    Lew Morris, Jan 26, 2003 ... 2
    Replies:
    21
    Views:
    20,334
    dionysis
    Mar 21, 2005
  5. howard_khoo

    What kind of prop that make the most turbulence?

    howard_khoo, Mar 9, 2005
    Replies:
    1
    Views:
    3,646
    Ssor
    Mar 20, 2005
  6. a3eyedfish

    where to pruchase carb parts.

    a3eyedfish, Mar 10, 2005
    Replies:
    1
    Views:
    4,106
    ChillrMn1
    Mar 15, 2005
  7. E4ODnut

    Belt change, 351 Ford, crank driven RW pump?

    E4ODnut, Mar 6, 2005
    Replies:
    10
    Views:
    5,643
    E4ODnut
    Mar 10, 2005
  8. Shubb

    Twin drive alignment...

    Shubb, Mar 5, 2005
    Replies:
    7
    Views:
    4,892
    Frosty
    Mar 10, 2005
  9. ron17571

    diesel transmission?

    ron17571, Jan 13, 2005 ... 2
    Replies:
    24
    Views:
    9,779
    Ssor
    Mar 4, 2005
  10. k2panman

    location of prop on Inboard

    k2panman, Feb 12, 2005
    Replies:
    7
    Views:
    6,808
    k2panman
    Mar 1, 2005
  11. tanqueray

    Repowering '85 Bertram 30

    tanqueray, Dec 6, 2004
    Replies:
    2
    Views:
    7,385
    marlindoc
    Feb 27, 2005
  12. capttwb

    Repowering

    capttwb, Feb 22, 2005
    Replies:
    2
    Views:
    3,838
    Alexph
    Feb 22, 2005
  13. PRO

    Outboard motor drawings needed !

    PRO, Nov 10, 2004
    Replies:
    2
    Views:
    7,201
    Arrowmarine
    Feb 20, 2005
  14. Hypercat

    Mercury OB dimentions

    Hypercat, Feb 16, 2005
    Replies:
    2
    Views:
    3,599
    Hypercat
    Feb 18, 2005
  15. D'ARTOIS

    Gasturbines

    D'ARTOIS, Nov 30, 2004 ... 2 3
    Replies:
    39
    Views:
    10,969
    D'ARTOIS
    Feb 18, 2005
  16. PNACS

    Volvo Pentad41p

    PNACS, Feb 10, 2005
    Replies:
    0
    Views:
    2,495
    PNACS
    Feb 10, 2005
  17. hmattos

    Outboards for Bonaire

    hmattos, Feb 9, 2005
    Replies:
    2
    Views:
    2,866
    Richard Petersen
    Feb 9, 2005
  18. Danielsan

    Jet drive?

    Danielsan, Jan 25, 2005
    Replies:
    8
    Views:
    5,259
    hmattos
    Feb 9, 2005
  19. Robbster

    Volvo conversion

    Robbster, Feb 4, 2005
    Replies:
    6
    Views:
    4,009
    gonzo
    Feb 5, 2005
  20. eastern270

    engine maufacturer less than 200HP

    eastern270, Feb 3, 2005
    Replies:
    2
    Views:
    3,371
    Richard Petersen
    Feb 4, 2005
  21. Chuck Bates

    Yamaha wins dumping case

    Chuck Bates, Feb 2, 2005
    Replies:
    0
    Views:
    3,604
    Chuck Bates
    Feb 2, 2005
  22. Richard Petersen

    Marine Lexus V8

    Richard Petersen, Dec 18, 2004
    Replies:
    6
    Views:
    5,215
    TrendSetter
    Jan 30, 2005
  23. Danielsan

    Bob vs Other drives

    Danielsan, Jan 24, 2005
    Replies:
    2
    Views:
    3,906
    Danielsan
    Jan 25, 2005
  24. Corpus Skipper

    Mystery Volvo?

    Corpus Skipper, Nov 29, 2004 ... 2
    Replies:
    19
    Views:
    8,423
    Richard Petersen
    Jan 24, 2005
  25. DaveB

    electric/hybrid propulsion for small ferry

    DaveB, Jan 13, 2005 ... 2
    Replies:
    19
    Views:
    10,691
    DaveB
    Jan 21, 2005
  26. Sea Zar

    Jet/Engine/Deep V hulls

    Sea Zar, Jan 13, 2005
    Replies:
    2
    Views:
    5,349
    Sea Zar
    Jan 13, 2005
  27. Robert Miller

    Flushing aluminum tank containing old diesel?

    Robert Miller, Jan 9, 2005
    Replies:
    2
    Views:
    3,852
    Dutch Peter
    Jan 10, 2005
  28. Chiel

    3 outboards vs. 2 inboards

    Chiel, Nov 22, 2004
    Replies:
    4
    Views:
    5,355
    Richard Petersen
    Jan 5, 2005
  29. Robert Miller

    Bukh DV 7

    Robert Miller, Jan 2, 2005
    Replies:
    4
    Views:
    3,275
    Robert Miller
    Jan 3, 2005
  30. tuantom

    How interchangeable are Volvo penta outdrives?

    tuantom, Jan 2, 2005
    Replies:
    0
    Views:
    6,334
    tuantom
    Jan 2, 2005
  31. cmzracing

    volvo penta 200 outdrive noise

    cmzracing, Jul 20, 2004
    Replies:
    2
    Views:
    15,855
    oldgeardad
    Jan 2, 2005
  32. woodstockwizzar

    Volvo Penta 280 outdrives

    woodstockwizzar, Sep 10, 2004
    Replies:
    6
    Views:
    9,848
    eduardonin
    Dec 27, 2004
  33. manyolkars

    mercruiser serial number help

    manyolkars, Dec 23, 2004
    Replies:
    3
    Views:
    17,391
    gerard baladi
    Dec 26, 2004
  34. Nova II

    help with gear ratio on mercruiser sterndrives

    Nova II, Dec 23, 2004
    Replies:
    2
    Views:
    5,570
    Nova II
    Dec 25, 2004
  35. robrohdeszudy

    Low power tunnel, low speed drive

    robrohdeszudy, Dec 16, 2004
    Replies:
    9
    Views:
    7,456
    robrohdeszudy
    Dec 23, 2004
  36. tschienque

    SAIL to POWER

    tschienque, Dec 21, 2004
    Replies:
    4
    Views:
    3,884
    Richard Petersen
    Dec 23, 2004
  37. SLC

    Propeller tunnels information

    SLC, Oct 21, 2004
    Replies:
    6
    Views:
    4,482
    webbwash
    Dec 23, 2004
  38. robrohdeszudy

    small launch shafting & drive parts?

    robrohdeszudy, Dec 16, 2004
    Replies:
    5
    Views:
    3,569
    Richard Petersen
    Dec 23, 2004
  39. ACHALAT

    4.3l Vs 4.3mpi Mercruiser

    ACHALAT, Dec 8, 2004
    Replies:
    2
    Views:
    10,842
    gonzo
    Dec 18, 2004
  40. jalexfolds

    Went to Change plugs in Inboard, water came out, What Now?

    jalexfolds, Dec 15, 2004
    Replies:
    2
    Views:
    3,759
    Richard Petersen
    Dec 16, 2004
Showing threads 881 to 920 of 977

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