Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    496
    Messages:
    5,666
    Latest: Gear ratio for pedal drive Tiny Turnip, Feb 24, 2021 at 2:38 AM
    RSS
  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    174
    Messages:
    2,655
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    438
    Messages:
    4,145
    Latest: PP65 upgrade Michael Denner, Jan 30, 2021
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    988
    Messages:
    9,267
    Latest: 70hp Evinrude no spark mrelmo, Feb 22, 2021
    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:
    541
    Messages:
    3,767
    RSS
  6. Pod Drives

    Volvo IPS, ZF, CMD Zeus, and other pod-drive systems
    Discussions:
    27
    Messages:
    290
    RSS
  7. Inboards

    Inboard and Vee-drive hardware: struts, stuffing boxes, transmissions, coolers
    Discussions:
    520
    Messages:
    4,788
    Latest: Shaft bearing for salt water gonzo, Oct 9, 2020
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    658
    Messages:
    8,299
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    412
    Messages:
    4,544
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    67
    Messages:
    1,137
    Latest: controllable pitch propellers and regeneration Rumars, Feb 25, 2021 at 9:02 PM
    RSS
  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    209
    Messages:
    5,242
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    272
    Messages:
    5,482
    Latest: Rudder help gonzo, Feb 2, 2021
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  13. UNCIVILIZED
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  14. YSS Caribbean
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  15. JunkRat
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  16. Bharat Kandpal
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  17. brian eiland
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  18. Barry
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  19. Vronsky
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  20. IronTom
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  21. Victor R
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  22. Adarsh Edakkote
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  23. michael smith
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  24. michael smith
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  25. highlandhoh3
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  26. brian eiland
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  27. Dr34m3r
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  28. oliver.ilg
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  29. Jamesmcl
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  30. xellz
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  31. Magnus W
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  32. Pceditorpro
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  33. Barry
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  34. captainralph
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  35. Brian.Lin
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  36. Afilimon
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  37. DCockey
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    1,427
  38. Archangl7
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  39. ocean dreamer
    Replies:
    4
    Views:
    1,047
  40. crwsound
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