Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    417
    Messages:
    4,691
    Latest: 1 vs 2 props for efficiency Ad Hoc, Jan 16, 2018
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  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    158
    Messages:
    2,525
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    411
    Messages:
    3,884
    Latest: Mermaid turbo four/pp90 jet Thunderbird 1, Jan 20, 2018 at 5:32 AM
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    913
    Messages:
    8,499
    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:
    523
    Messages:
    3,557
    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:
    500
    Messages:
    4,537
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    612
    Messages:
    7,703
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    374
    Messages:
    4,159
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    20
    Messages:
    500
    RSS
  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    206
    Messages:
    5,218
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    265
    Messages:
    5,406
    Latest: VW/AUDI 3.0TDI marinising Gurryman, Jan 2, 2018
    RSS
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  39. black_sails
    Replies:
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    Views:
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  40. chowdan
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