Comments by "Grave Peril" (@graveperil2169) on "Are electric planes the future of aviation?" video.

  1. energy density of jet fuel 43 MJ/KG Lithium  battery  9 MJ/KG so you need to carry 4 times the amount of fuel + plus the extra fuel to carry the fuel   before you start thinking about the money cost or the recharge time
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  2. @moreno valley news first lith battery fires are not good but neither is a jet fuel fire
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