Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    408
    Messages:
    4,576
    RSS
  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    157
    Messages:
    2,522
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    410
    Messages:
    3,847
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    908
    Messages:
    8,463
    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:
    522
    Messages:
    3,554
    RSS
  6. Pod Drives

    Volvo IPS, ZF, CMD Zeus, and other pod-drive systems
    Discussions:
    25
    Messages:
    260
    RSS
  7. Inboards

    Inboard and Vee-drive hardware: struts, stuffing boxes, transmissions, coolers
    Discussions:
    497
    Messages:
    4,495
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    610
    Messages:
    7,661
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    371
    Messages:
    4,117
    Latest: Merc 4.3 fuel pump power/wiring, carb ? gonzo, Oct 18, 2017 at 1:12 PM
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    18
    Messages:
    378
    Latest: 24v 120lb DIY brushless motor project gonzo, Oct 18, 2017 at 1:07 PM
    RSS
  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    206
    Messages:
    5,217
    Latest: Light weight generators fredrosse, Oct 11, 2017
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    265
    Messages:
    5,396
    Latest: Automatic car transmission Duco84, Oct 13, 2017 at 7:00 AM
    RSS
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