Haha, I knew we'd upset some folks. Take it easy on us, we're just experimenting, and hopefully coming up with a new option for people who like to use cubs.
You're right, the pack stores 5.23kwh- less than your estimated demand of 8.85kwh. However, I would like to point out that the "optimistic 12hp" is not likely utilized 100% of the time while plowing, and indeed, due to the 'peaky' nature of I/C power delivery it's sometimes difficult to get rated hp out of the four cylinder. Don't forget, either, cubs aren't always plowing- there are many instances in which only a fraction of the engine's full capacity is used. I expect an advantage here in that the power output of a DC motor is scalable with virtually no loss in efficiency.
Seems like we're postponing testing today due to some escapee farm animals, but we'll gladly post results as we gather them. Power consumption is definitely data we need the real world testing to provide. Until we collect that, I'm just theorizing with you.
We hope to avoid the status quo of EV proponents making unrealistic claims- sure, there are limitations, but there are also some distinct advantages over internal combustion.
Thanks for your comments. I'm glad to be kept on my toes.
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