Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    400
    Messages:
    4,518
    Latest: Propeller design vinotinto, Jun 24, 2017 at 5:27 PM
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  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    154
    Messages:
    2,469
    Latest: DIY tunnel drive sub_prop, May 22, 2017
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    405
    Messages:
    3,801
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    902
    Messages:
    8,429
    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:
    518
    Messages:
    3,530
    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:
    495
    Messages:
    4,484
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    602
    Messages:
    7,594
    Latest: Mercedes 420cdi Duco84, Jun 21, 2017 at 1:58 PM
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    363
    Messages:
    4,026
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    16
    Messages:
    294
    Latest: Connecting electric motor to saildrive Jim Caldwell, Jun 22, 2017 at 8:24 AM
    RSS
  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    206
    Messages:
    5,214
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    262
    Messages:
    5,350
    RSS
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