Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    505
    Messages:
    5,845
    RSS
  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    174
    Messages:
    2,668
    Latest: Contra-rotating surface drives gonzo, Jul 5, 2021
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    441
    Messages:
    4,171
    Latest: Sea Rayder F16 tries to go left while on plane baeckmo, Jul 22, 2021 at 4:06 PM
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    997
    Messages:
    9,347
    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:
    542
    Messages:
    3,784
    RSS
  6. Pod Drives

    Volvo IPS, ZF, CMD Zeus, and other pod-drive systems
    Discussions:
    29
    Messages:
    299
    RSS
  7. Inboards

    Inboard and Vee-drive hardware: struts, stuffing boxes, transmissions, coolers
    Discussions:
    523
    Messages:
    4,837
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    663
    Messages:
    8,344
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    414
    Messages:
    4,564
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    70
    Messages:
    1,212
    RSS
  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    209
    Messages:
    5,248
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    274
    Messages:
    5,525
    Latest: Marinizing Rotary engine Kitrods, Jun 26, 2021
    RSS
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