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Promising Electric Aircraft Drive Systems - page 19 / 23

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• Electric Motors (η = 95%)

3.4 kW/kg

Tesla Automobile (244 HP) > Power = 182 kW > Weight = 52.2 kg

3.49 kW/kg

Mechanical Energy Conversion Typical Performance Parameters

EAA Electric Aircraft World Symposium 2010: Michael Dudley

19

Energy Conversion weight factors; θ (power density)

    • Honda FCX (134 HP)

        • >

          Power = 100 kW

        • >

          Weight = 33.8 kg

  • Gas Turbine (η = 34%)

    • P&W PT6A (1500 HP)

      • >

        Power = 1125 kW

        • >

          Weight = 220 kg

2.96 kW/kg

5.1 kW/kg

Continental IO-550 (300 HP) > Power = 224 kW > Weight = 227 kg

0.984 kW/kg

Rotax 912S (100HP) > Power = 74.6 kW > Weight = 68 kg

1.10 kW/kg

  • Internal Combustion Engine (η = 30%)

1.0 kW/kg

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