Electric Propulsion

Electric propulsion systems

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  1. Heimfried

    In which way are diagrams for BL DC motors derived (and to understand)?

    Heimfried, Jan 10, 2025
    Replies:
    3
    Views:
    696
    Heimfried
    Jan 15, 2025
  2. ziper1221

    Sizing a propeller to match an electric motor

    ziper1221, Jan 6, 2025 ... 2
    Replies:
    27
    Views:
    3,438
    gonzo
    Jun 10, 2025
  3. philSweet

    More problems with wet lithium ion batteries - Port of Miami fire

    philSweet, Dec 18, 2024 ... 2 3 4
    Replies:
    47
    Views:
    4,584
    philSweet
    Feb 9, 2025
  4. yabert

    Electric inboard motor, my journey to find proper motor

    yabert, Nov 30, 2024 ... 2 3
    Replies:
    33
    Views:
    3,822
    gonzo
    Dec 12, 2024
  5. philSweet

    Fact check requested - Schleswig Holstein solar ferry

    philSweet, Oct 10, 2024
    Replies:
    6
    Views:
    1,820
    philSweet
    Oct 14, 2024
  6. serdarbas

    I can't calculate engine power requirements, can anyone help?

    serdarbas, Sep 2, 2024
    Replies:
    8
    Views:
    1,381
    gonzo
    Dec 4, 2024
  7. Michael Rath

    Independent BLDC motors for two separate pontoons control

    Michael Rath, Jun 14, 2024
    Replies:
    8
    Views:
    1,337
    Michael Rath
    Jun 20, 2024
  8. Shay Rhiner

    ask for help in Converting a propulsion system for a tugboat to a fully electric

    Shay Rhiner, Feb 18, 2024 ... 2
    Replies:
    22
    Views:
    4,079
    philSweet
    Apr 27, 2025
  9. kach22i

    FinX - Outboards that emulate natural aquatic creatures

    kach22i, Feb 3, 2024
    Replies:
    6
    Views:
    2,457
    gonzo
    Nov 29, 2024
  10. ondarvr

    Unlimited range solar boat video

    ondarvr, Oct 15, 2023
    Replies:
    0
    Views:
    1,702
    ondarvr
    Oct 15, 2023
  11. Randy Bassinga

    Flats foiler DIY log

    Randy Bassinga, Aug 9, 2023
    Replies:
    2
    Views:
    1,917
    Randy Bassinga
    Aug 15, 2023
  12. Randy Bassinga

    Turn a SUP into a cruiser/fitness machine

    Randy Bassinga, Jun 29, 2023 ... 2 3 4
    Replies:
    46
    Views:
    7,136
    Randy Bassinga
    Aug 1, 2023
  13. Magnus W

    My new boat

    Magnus W, May 11, 2023
    Replies:
    8
    Views:
    2,156
    skaraborgcraft
    May 14, 2023
  14. Steve Quate

    Need help fixing to wire my motors - I am new to field

    Steve Quate, Apr 18, 2023
    Replies:
    7
    Views:
    1,698
    jehardiman
    Apr 20, 2023
  15. Heimfried

    Building Solar Electric Propulsion (Motor Katamaran)

    Heimfried, Apr 15, 2023 ... 2 3
    Replies:
    35
    Views:
    5,976
    Heimfried
    May 14, 2023
  16. david@boatsmith

    ABYC disconnect for propulsion battery

    david@boatsmith, Apr 6, 2023 ... 2
    Replies:
    22
    Views:
    3,705
    fallguy
    Apr 11, 2023
  17. alan craig

    Electric RIB overpowered?

    alan craig, Mar 13, 2023
    Replies:
    10
    Views:
    1,883
    alan craig
    Mar 15, 2023
  18. alan craig

    Ferry connected to mains cable

    alan craig, Nov 7, 2022
    Replies:
    9
    Views:
    2,117
    DCockey
    Nov 11, 2022
  19. DBarg

    Power requirement for 10m canoe

    DBarg, Oct 18, 2022 ... 3 4 5
    Replies:
    73
    Views:
    8,238
    seandepagnier
    Nov 8, 2022
  20. yOyOeK1

    My resurrection quest with torqeedo 503

    yOyOeK1, Oct 11, 2022
    Replies:
    0
    Views:
    1,393
    yOyOeK1
    Oct 11, 2022
  21. jehardiman
    Locked

    The Issue with going all Electric

    jehardiman, Sep 5, 2022 ... 13 14 15
    Replies:
    220
    Views:
    23,631
    Flotation
    Sep 24, 2022
  22. gschuld

    Lead carbon battery use

    gschuld, Aug 30, 2022
    Replies:
    8
    Views:
    2,430
    DogCavalry
    Sep 11, 2022
  23. gschuld

    Planing electric boat with 40kw battery bank

    gschuld, Aug 29, 2022 ... 2
    Replies:
    21
    Views:
    5,438
    philSweet
    Apr 26, 2025
  24. OCB

    Electric Inboard Drive Design EL-60

    OCB, Aug 6, 2022
    Replies:
    0
    Views:
    2,018
    OCB
    Aug 6, 2022
  25. duluthboats

    Catalina 22/E-power boat

    duluthboats, Aug 1, 2022
    Replies:
    4
    Views:
    2,641
    Very Old Sailor
    Jun 19, 2024
  26. Toucan

    DIY Outboard Conversion

    Toucan, Apr 20, 2022
    Replies:
    5
    Views:
    3,289
    gonzo
    Apr 21, 2022
  27. bobkart

    5-Meter Power Cat with 6kW Outboard

    bobkart, Feb 19, 2022 ... 4 5 6
    Replies:
    87
    Views:
    14,257
    bobkart
    Jan 20, 2023
  28. Laphroaig

    Prop and motor sizing in outboard conversion

    Laphroaig, Feb 19, 2022
    Replies:
    4
    Views:
    2,541
    gonzo
    Feb 23, 2022
  29. Ike

    GM exploring electric boats, buys 25% stake in engine maker

    Ike, Nov 22, 2021
    Replies:
    9
    Views:
    2,696
    Skyak
    Nov 24, 2021
  30. gonzo

    Electric motor types

    gonzo, Nov 6, 2021 ... 2 3 4
    Replies:
    52
    Views:
    11,657
    C. Dog
    Jul 3, 2024
  31. mariobrothers88

    Using multiple electric trolling motors on a 34' catamaran

    mariobrothers88, Nov 2, 2021 ... 2
    Replies:
    16
    Views:
    6,058
    kerosene
    Mar 17, 2022
  32. SolGato

    Yamaha’s new propulsion system

    SolGato, Sep 16, 2021 ... 2
    Replies:
    26
    Views:
    5,079
    gonzo
    Nov 10, 2021
  33. alan craig

    Small electric boat power data

    alan craig, Sep 14, 2021
    Replies:
    1
    Views:
    2,237
    alan craig
    Sep 30, 2021
  34. alan craig

    Twenty foot container batteries

    alan craig, Sep 7, 2021 ... 2
    Replies:
    21
    Views:
    3,576
    Blueknarr
    Sep 10, 2021
  35. Ike

    Electric Boats Making Waves

    Ike, Sep 4, 2021
    Replies:
    8
    Views:
    2,224
    fallguy
    Sep 5, 2021
  36. James Wellington

    Production electric boat

    James Wellington, Aug 29, 2021
    Replies:
    4
    Views:
    2,284
    Flotation
    Oct 16, 2021
  37. david@boatsmith

    51' Electric Sailing Catamaran

    david@boatsmith, Apr 19, 2021
    Replies:
    11
    Views:
    3,055
    david@boatsmith
    Apr 28, 2021
  38. tlouth7

    Thrust Bearings

    tlouth7, Mar 10, 2021
    Replies:
    2
    Views:
    2,115
    tlouth7
    Mar 10, 2021
  39. Charlie R

    Adding electric motor liquid cooling system

    Charlie R, Mar 8, 2021
    Replies:
    2
    Views:
    3,368
    tlouth7
    Mar 10, 2021
  40. StormUK

    Trolling Motor & Battery Advice Required

    StormUK, Feb 24, 2021 ... 2 3 4
    Replies:
    57
    Views:
    15,365
    portacruise
    Mar 5, 2023
Showing threads 1 to 40 of 106

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