Propulsion

Discuss marine engines, drives, and propulsion systems.

  1. Props

    Propeller selection, performance comparison, prediction, experience, and modification.
    Discussions:
    534
    Messages:
    6,254
    RSS
  2. Surface Drives

    Surface Drives. Arneson, BPM, Seafury, PSI, Levi, Etc.
    Discussions:
    186
    Messages:
    2,860
    Latest: Longtail Evolution Dave G 9N, Jan 20, 2024
    RSS
  3. Jet Drives

    Jet Drives (pumps, impellers, etc.)
    Discussions:
    459
    Messages:
    4,429
    RSS
  4. Outboards

    2-stroke and 4-stroke outboard motors.
    Discussions:
    1,029
    Messages:
    9,902
    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:
    547
    Messages:
    3,828
    RSS
  6. Pod Drives

    Volvo IPS, ZF, CMD Zeus, and other pod-drive systems
    Discussions:
    29
    Messages:
    299
    RSS
  7. Inboards

    Inboard and Vee-drive hardware: struts, stuffing boxes, transmissions, coolers
    Discussions:
    535
    Messages:
    4,968
    RSS
  8. Diesel Engines

    Diesel Engines
    Discussions:
    682
    Messages:
    8,498
    RSS
  9. Gas Engines

    Gasoline Engines
    Discussions:
    422
    Messages:
    4,650
    Latest: starting rebuild engine comfisherman, Aug 31, 2023
    RSS
  10. Electric Propulsion

    Electric propulsion systems
    Discussions:
    99
    Messages:
    1,952
    RSS
  11. Hybrid

    Hybrid propulsion such as diesel electric, hydraulic.
    Discussions:
    211
    Messages:
    5,256
    RSS
  12. DIY Marinizing

    A forum to discuss "do it yourself" marinizing of engines / conversion of automotive engines to marine use.
    Discussions:
    276
    Messages:
    5,576
    RSS
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  1. cmb1998
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    11
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    340
  2. scav000
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    1
    Views:
    212
  3. David Swingler
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    9
    Views:
    528
  4. DCockey
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    5
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  5. paticus
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  6. paticus
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  7. Guillermo
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  8. MarkOHara
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    Views:
    1,319
  9. naserrishehri
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    Views:
    2,675
  10. valter.f
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    15
    Views:
    2,254
  11. Flat bottom girl
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    2
    Views:
    1,327
  12. Forecaddie
    Replies:
    8
    Views:
    915
  13. BigMuddy
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    22
    Views:
    4,462
  14. rivergybsy
    Replies:
    3
    Views:
    1,275
  15. TheyCallMeTrinity
    Replies:
    28
    Views:
    4,573
  16. Andy58
    Replies:
    9
    Views:
    1,099
  17. telak
    Replies:
    17
    Views:
    3,184
  18. mackid068
    Replies:
    38
    Views:
    11,274
  19. emrecantasdemir
    Replies:
    6
    Views:
    1,148
  20. DogCavalry
    Replies:
    9
    Views:
    1,515
  21. Ruffner Sedurifa
    Replies:
    10
    Views:
    1,492
  22. Kirk
    Replies:
    15
    Views:
    5,686
  23. DCockey
    Replies:
    4
    Views:
    1,866
  24. captdon65
    Replies:
    10
    Views:
    5,320
  25. alby joy
    Replies:
    11
    Views:
    2,361
  26. LePrince
    Replies:
    6
    Views:
    1,514
  27. Guest625101138
    Replies:
    588
    Views:
    126,843
  28. Rasmith
    Replies:
    7
    Views:
    2,139
  29. HeyK20
    Replies:
    3
    Views:
    1,854
  30. yipster
    Replies:
    34
    Views:
    40,527
  31. NikRitz
    Replies:
    23
    Views:
    5,452
  32. tom kane
    Replies:
    212
    Views:
    75,880
  33. boat3630
    Replies:
    9
    Views:
    2,523
  34. marufuddin0
    Replies:
    7
    Views:
    3,063
  35. aybabtme
    Replies:
    4
    Views:
    1,728
  36. brian eiland
    Replies:
    69
    Views:
    36,222
  37. CAPT. Ted
    Replies:
    2
    Views:
    2,581
  38. AAn
    Replies:
    7
    Views:
    2,398
  39. hlblake
    Replies:
    24
    Views:
    2,959
  40. Manateeman
    Replies:
    4
    Views:
    1,489

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