Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    458
    Messages:
    5,093
    Latest: 3 bladed propeller vs 4 bladed propeller Sam Smullin, Sep 17, 2019 at 12:20 PM
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  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    162
    Messages:
    2,564
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    430
    Messages:
    3,993
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    956
    Messages:
    8,835
    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:
    531
    Messages:
    3,629
    Latest: Missing Oil Pressure Sender? jjhamm22, Jun 12, 2019
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  6. Pod Drives

    Volvo IPS, ZF, CMD Zeus, and other pod-drive systems
    Discussions:
    26
    Messages:
    276
    RSS
  7. Inboards

    Inboard and Vee-drive hardware: struts, stuffing boxes, transmissions, coolers
    Discussions:
    513
    Messages:
    4,683
    Latest: Shaft vibration Sam Smullin, Sep 17, 2019 at 12:11 PM
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  8. Diesel Engines

    Diesel Engines
    Discussions:
    647
    Messages:
    8,039
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    401
    Messages:
    4,347
    Latest: Volvo 200D v8 wont start gonzo, Sep 6, 2019
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  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    44
    Messages:
    809
    RSS
  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    209
    Messages:
    5,242
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    269
    Messages:
    5,449
    Latest: Air cooled sailboat motor RMA, Sep 3, 2019
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  18. DCockey
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  19. Archangl7
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  20. ocean dreamer
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  28. Upston
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  29. franklou
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  30. PickleRick
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  31. xellz
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  33. brian eiland
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  34. 91SARATH
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  35. Archangl7
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  36. xellz
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  37. Carter Beall
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    3,366
  38. kschung
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    11
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  39. Leveboat
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    16
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    1,933
  40. ATMHC
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