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Stealth Electric outbboard
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<blockquote data-quote="maintenanceguy" data-source="post: 489503" data-attributes="member: 24227"><p>Batteries need to get a lot better before they become the norm.</p><p></p><p>Right now, gasoline has about 46 mega-joules of energy per kilogram. lithium ion batteries have about 0.46 Mj/kg. Gasoline has 100x the range for the same weight.</p><p></p><p>My 40hp outboard will get me about 45 miles on a 6 gallon tank. The same weight of batteries would get me 4-1/2 miles.</p><p></p><p>Fine if you're not traveling far to fish but for most of us, I don't think they're ready yet.</p></blockquote><p></p>
[QUOTE="maintenanceguy, post: 489503, member: 24227"] Batteries need to get a lot better before they become the norm. Right now, gasoline has about 46 mega-joules of energy per kilogram. lithium ion batteries have about 0.46 Mj/kg. Gasoline has 100x the range for the same weight. My 40hp outboard will get me about 45 miles on a 6 gallon tank. The same weight of batteries would get me 4-1/2 miles. Fine if you're not traveling far to fish but for most of us, I don't think they're ready yet. [/QUOTE]
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