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Spark as a very first drone?
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<blockquote data-quote="Mikel Manitius" data-source="post: 9974" data-attributes="member: 1775"><p>Thanks for the suggestion, but I already have an inverter.</p><p>However, but this only helps if:</p><p>a) you are near the car to begin with</p><p>b) you are willing to keep the engine running and producing pollution for over an hour while you charge... this only makes sense if you are already driving somewhere anyway...</p><p></p><p>You could charge with the engine off but most cars have high cycle, not deep cycle batteries and depleting them below 50% damages them. I might be able to get away with 1 full recharge though. I still have to calculate the numbers.</p><p></p><p>Another option that I considered was the Goal Zero Yeti 150. The multi charger for Spark says it draws 50w (I measured 56w). Charging 3 batteries + 1 in the drone + RC takes a bit over an hour (move the battery from the Spark to the multi charger when the 1st of the 3 are done to make it go faster). So it should be good for 2 full recharges of a set of 4 batteries + RC. However, at over $200 USD it's expensive and heavy (12lb). I could just buy 4 more Spark batteries...</p></blockquote><p></p>
[QUOTE="Mikel Manitius, post: 9974, member: 1775"] Thanks for the suggestion, but I already have an inverter. However, but this only helps if: a) you are near the car to begin with b) you are willing to keep the engine running and producing pollution for over an hour while you charge... this only makes sense if you are already driving somewhere anyway... You could charge with the engine off but most cars have high cycle, not deep cycle batteries and depleting them below 50% damages them. I might be able to get away with 1 full recharge though. I still have to calculate the numbers. Another option that I considered was the Goal Zero Yeti 150. The multi charger for Spark says it draws 50w (I measured 56w). Charging 3 batteries + 1 in the drone + RC takes a bit over an hour (move the battery from the Spark to the multi charger when the 1st of the 3 are done to make it go faster). So it should be good for 2 full recharges of a set of 4 batteries + RC. However, at over $200 USD it's expensive and heavy (12lb). I could just buy 4 more Spark batteries... [/QUOTE]
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Spark as a very first drone?