9.9 HP Electric Outboard Kit

Discussion in 'Outboards' started by smasterson2, Apr 14, 2017.

  1. smasterson2
    Joined: Aug 2016
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    Likes: 1, Points: 3, Legacy Rep: 18
    Location: Spring TX

    smasterson2 Junior Member

  2. gonzo
    Joined: Aug 2002
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    Location: Milwaukee, WI

    gonzo Senior Member

    It's really a 4HP. Peak HP is only good for the sales hype.
     
  3. ondarvr
    Joined: Dec 2005
    Posts: 2,483
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    Location: Monroe WA

    ondarvr Senior Member

    And only if 4hp is the real number.
     
  4. Jim Caldwell
    Joined: Aug 2013
    Posts: 266
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    Location: Cleveland, Ohio

    Jim Caldwell Senior Member

    54 volts X 50 amps Divided by 748 watts = 3.6 hp.
     

  5. terhohalme
    Joined: Jun 2003
    Posts: 512
    Likes: 38, Points: 28, Legacy Rep: 506
    Location: Kotka, Finland

    terhohalme BEng Boat Technology

    * efficiency (~80%) = 3 hp shaft power.
     
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