PPRuNe Forums - View Single Post - I can't wait for electric/hybrid aircraft.
Old 16th Jan 2010, 11:18
  #40 (permalink)  
worrab
 
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In the end, the challenge is energy density. You can get a lot of heat out of a kilogram of avtur and rather less from a kilogram of lead-acid battery. Battery technolgy is still at the wrong end of the scale.
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