Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    518
    Messages:
    6,079
    RSS
  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    181
    Messages:
    2,787
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    452
    Messages:
    4,348
    Latest: PP65 drive rebuild ETO, Jul 21, 2022
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    1,016
    Messages:
    9,721
    Latest: Prop hub matched to gearbox DogCavalry, Sep 25, 2022
    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:
    543
    Messages:
    3,801
    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:
    531
    Messages:
    4,929
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    670
    Messages:
    8,407
    Latest: Diesel engine and propane philSweet, Sep 15, 2022
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    417
    Messages:
    4,633
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    86
    Messages:
    1,674
    RSS
  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    211
    Messages:
    5,255
    Latest: Hinckley hybrid philSweet, Jul 26, 2022
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    274
    Messages:
    5,527
    Latest: Marinize a Subaru? S V, Oct 3, 2022 at 5:07 PM
    RSS
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