Recent Content by bobkart

  1. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    My first take on the Flow Diverter was a stand-in for a transom. Push the turbulent water down to close to the level of the antivent plate....
    Post by: bobkart, Jan 20, 2023 in forum: Electric Propulsion
  2. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    I'm considering propeller improvements as orthogonal to the current problem space. I get it: by increasing pitch, RPMs will go down a bit,...
    Post by: bobkart, Jan 17, 2023 in forum: Electric Propulsion
  3. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    Thanks for the suggestions, SolGato. A pair of Navy 3.0's has definitely crossed my mind. I just wish the price of a 3.0 was closer to half that...
    Post by: bobkart, Jan 17, 2023 in forum: Electric Propulsion
  4. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    [ATTACH] [ATTACH]
    Post by: bobkart, Jan 15, 2023 in forum: Electric Propulsion
  5. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    Alright, that's a thought. Agree that anything in the flow will create drag. But something more hydrodynamic ahead of the outboard leg can...
    Post by: bobkart, Jan 15, 2023 in forum: Electric Propulsion
  6. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    Thanks fallguy. I have the motor square to the deck currently. I've found that to work best, although earlier on, I found tucking the motor in...
    Post by: bobkart, Jan 15, 2023 in forum: Electric Propulsion
  7. bobkart
    Boat Design Gallery

    Electra on Sammamish River

    Rowing Solution RS CAT16 hull with ePropulsion Navy 6.0 Evo motor and DIY 10kWh LFP battery.
    Uploaded by: bobkart, Jan 15, 2023, 0 comments, in category: Electric Boats
  8. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    This month I've been out twice on a small lake, experimenting. The first change was to remove what I call the Flow Diverter. It's the part just...
    Post by: bobkart, Jan 14, 2023 in forum: Electric Propulsion
  9. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    [MEDIA]
    Post by: bobkart, Nov 11, 2022 in forum: Electric Propulsion
  10. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    [MEDIA]
    Post by: bobkart, Oct 17, 2022 in forum: Electric Propulsion
  11. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    [MEDIA]
    Post by: bobkart, Oct 7, 2022 in forum: Electric Propulsion
  12. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    [MEDIA]
    Post by: bobkart, Sep 5, 2022 in forum: Electric Propulsion
  13. bobkart
    Post

    Planing electric boat with 40kw battery bank

    I found my five-meter cat to perform acceptably well with 6kW of power (via ePropulsion Navy 6.0 Evo outboard). 12mph top speed with two...
    Post by: bobkart, Sep 2, 2022 in forum: Electric Propulsion
  14. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    [MEDIA]
    Post by: bobkart, Aug 29, 2022 in forum: Electric Propulsion
  15. bobkart
    Post

    5-Meter Power Cat with 6kW Outboard

    [MEDIA]
    Post by: bobkart, Aug 21, 2022 in forum: Electric Propulsion