{
  "uuid": "urn:mrn:signalk:uuid:c0d79334-4e25-4245-8892-54e8ccc8021d",
  "propulsion": {
    "instance0": {
      "label": "Main Engine - The Olde Faithful",
      "drive": {
        "type": "outboard",
        "trimState": {
          "value": 99,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        },
        "thrustAngle": {
          "value": 0,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        }
      },
      "fuel": {
        "type": "diesel",
        "used": {
          "value": 12.5,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        },
        "rate": {
          "value": 0.6,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        },
        "averageRate": {
          "value": 1.0,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        },
        "economyRate": {
          "value": 0.9,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        },
        "pressure": {
          "value": 1100,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"

        }
      },
      "state": {
        "value": "started",
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "revolutions": {
        "value": 1280,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar",
        "meta": {
          "description": "Engine revolutions (x60 for RPM)",
          "units": "Hz",
          "displayName": "Tachometer",
          "shortName": "RPM",
          "warnMethod": ["visual"],
          "alarmMethod": ["sound"],
          "zones": [{
            "upper": 8,
            "state": "warn",
            "message": "Engine stopped or rpm very slow!"
          }, {
            "lower": 50,
            "upper": 58.33333333333,
            "state": "warn",
            "message": "Engine near maximum rpm!"
          }, {
            "lower": 58.33333333333,
            "upper": 66.66666666666667,
            "state": "alarm",
            "message": "Engine exceeds maximum rpm!"
          }, {
            "lower": 66.66666666666667,
            "state": "alarm",
            "message": "Engine exceeds maximum rpm!"
          }]
        }

      },
      "oilPressure": {
        "value": 110,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "boostPressure": {
        "value": 200,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "intakeManifoldTemperature": {
        "value": 345,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "engineLoad": {
        "value": 200,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"

      },
      "engineTorque": {
        "value": 200,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"

      },
      "oilTemperature": {
        "value": 345,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "coolantTemperature": {
        "value": 355,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "exhaustTemperature": {
        "value": 420,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "coolantPressure": {
        "value": 1100,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "runTime": {
        "value": 3102234,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "alternatorVoltage": {
        "value": 14.1,
        "timestamp": "2014-08-15T19:00:15.402Z",
        "$source": "foo.bar"
      },
      "transmission": {
        "gear": {
          "value": "Forward",
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        },
        "oilPressure": {
          "value": 100,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        },
        "oilTemperature": {
          "value": 310,
          "timestamp": "2014-08-15T19:00:15.402Z",
          "$source": "foo.bar"
        }
      }
    }
  }
}