Not a fair comparison, it does not include fuel to run continuosly at
that power for 6 months.

2011/4/30 Hoyt A. Stearns Jr. <[email protected]>:
>
>
> A GE90 turbofan engine, which has the highest power to weight ratio I've
> found provides about 9000 kW/ton of weight.
>
> Best lithium ion battery:
> 19387 kW/ton of weight
>
> _____ from wikipedia
>
> GE90-115B Brayton turbofan jet engine[14][15]   83,164 kW       111,526 hp    
>   10.0
> kW/kg   6.10 hp/lb      Boeing 777
>
>  VL 6Ah Lithium-ion battery[55] 3.65 V  -20 °C
>        154 kJ/kg 30C to 2.5 V  41.4 W/kg
> 233 kJ/kg 58.3C to 2.5 V        3757 W/kg 58.3C (350A)
> 4.29 kJ/kg 333C to 2.5 V        21370 W/kg 333C (2kA)
>
>
>
>
> -----Original Message-----
> From: Akira Shirakawa [mailto:[email protected]]
> Sent: Saturday, April 30, 2011 5:38 AM
>
> So, In short:
> - Power plant volume: 3m x 2m x 2m = 12m3
> - Total weight: 2 metric tons
> - Module thermal power density: 2 kW/liter
> - Derived plant power density (thermal): 0.0833 kW/liter
> - Derived plant specific power (thermal): 0.5 kW/ton (metric)
>
> How does this data compare with other power sources?
> (although I'm not sure if specific power and power density of the whole
> plant are of any significance at all)
>
> Cheers,
> S.A.
>
>

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