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Comment Re:Units, journalists don't seem to understand Wh (Score 1) 67

The altitude is limited by the energy contained in the batteries, since most of the energy is undoubtedly expended getting up there. Cruising altitude of prop passenger planes in the past was about 20,000 feet. That would require at least 20x the battery energy that it took to get to 1100 feet, and possibly more due to thinner air and the tradeoff between drag and prop effectiveness.

Comment Re:Uh, what? (Score 1) 67

Electricity is not priced in kilowatts. However if we assume that they are talking about commercial electric rates, the avg for US is about $0.14/kWh. So $5 worth is about 35kWh. Since the flight lasted 27 minutes, if it were consuming 1MW the whole time, that would be a total of (27/60)*1MW = 0.45MWh = 450 kWh, which would cost 450*$0.14 = $63. So, we can infer that the flight was not at 1MW the whole time, and since the energy used was 35kWh, the average over 27 minutes was only a little less than 1kW. But 1MW sounds like a lot, huh.

Comment Re: so what? (Score 1) 66

Blocking and reporting are also a waste of your time. The phone numbers they use are randomly generated, so blocking them does nothing. Reporting them also does nothing, because the phone company is not going to look through logs for you.

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