Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    482
    Messages:
    5,371
    RSS
  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    170
    Messages:
    2,612
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    438
    Messages:
    4,163
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    975
    Messages:
    9,047
    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:
    539
    Messages:
    3,746
    Latest: Engine swap expertise brendan gardam, Jul 7, 2020 at 3:58 PM
    RSS
  6. Pod Drives

    Volvo IPS, ZF, CMD Zeus, and other pod-drive systems
    Discussions:
    26
    Messages:
    276
    RSS
  7. Inboards

    Inboard and Vee-drive hardware: struts, stuffing boxes, transmissions, coolers
    Discussions:
    517
    Messages:
    4,723
    Latest: Aq170A/270 brendan gardam, Jul 7, 2020 at 3:55 PM
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    654
    Messages:
    8,141
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    409
    Messages:
    4,473
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    54
    Messages:
    989
    Latest: Brand of cat electric bajansailor, Jul 3, 2020 at 9:48 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:
    271
    Messages:
    5,475
    RSS
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