Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    424
    Messages:
    4,773
    Latest: Fixed pitch tug boat props Magnus W, May 22, 2018
    RSS
  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    160
    Messages:
    2,553
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    418
    Messages:
    3,918
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    919
    Messages:
    8,549
    Latest: Nissan 8hp tuned up to 9.8? powerabout, Jun 15, 2018 at 4:57 AM
    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:
    526
    Messages:
    3,591
    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:
    504
    Messages:
    4,584
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    623
    Messages:
    7,883
    Latest: repair crack on cast iron piece on heat exchanger gonzo, Jun 17, 2018 at 11:25 PM
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    378
    Messages:
    4,193
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    28
    Messages:
    586
    Latest: Solar charged small boat evaluation alan craig, Jun 17, 2018 at 6:20 AM
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  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    207
    Messages:
    5,232
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    267
    Messages:
    5,423
    RSS
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  2. Israel
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  10. brian eiland
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  11. 91SARATH
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  14. Carter Beall
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  15. kschung
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  16. Leveboat
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  17. ATMHC
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  18. Angle X
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  19. valvebounce
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  20. Squidly-Diddly
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  21. mitchellleary
    Replies:
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  22. Liopleurodon
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  23. DCockey
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  24. 1J1
    Replies:
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  25. Random_user
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    650
  26. brian eiland
    Replies:
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  27. bcobbett
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  28. Timetogo
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  29. dwicejama
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  30. bluedolfin
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  31. JasonCatt
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  32. Angle X
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  33. mtht110
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  34. captdon65
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  35. brian eiland
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  36. voodoo92
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    2,106
  37. sdowney717
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    915
  38. Danob
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    3,034
  39. MoeZ
    Replies:
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    Views:
    985
  40. ahdblo7
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    Views:
    994

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