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Originally Posted by Logic
I really don't get the lack of interest in this thread..?
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38,050 views. I'm not sure your threshold of appropriate interest, but I'm impressed.
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As everyone knows:
Force is Mass X Acceleration.
A decrease in mass means less force required for the same acceleration.
And less force is less fuel consumption.
Therefore, on average; weight reduction is the number 1 means of reducing fuel consumption and comes before anything that adds weight.
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Most fuel consumption isn't spent overcoming inertia though, but drag. The most drag is caused by aerodynamics, followed by mechanical friction. Weight is perhaps the 3rd most important factor, and further diminishes in importance for hybrids, EVs, and PHEVs that are capable of capturing the majority of inertial energy when decelerating.
aerohead chose the correct handle, and problem to focus on, because it's the biggest one, and also a nice play on words.
Finally, it seems the supercapacitor momentum fizzled out a while back. New and better products haven't come out, and prices have gone up. Tesla purchasing Maxwell hasn't resulted in anything new except elimination of some of their product line.
I'm bummed there hasn't been much more to talk about on the subject, which is probably why we started talking about LiFePO4.
Finally, none of my newer vehicles use a starter motor, and therefore have low "cold cranking" needs. Buffering a LiFePO4 battery with a supercapacitor is unnecessary when it only needs to close a high voltage contactor long enough to power up the DC/DC converter.
Quote:
Originally Posted by freebeard
Personally, I'm looking at used Arcimoto FUV prices.
They seem to be holding their value really well, except for one Facebook listing in McMinnville for $1000.
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What's the $1k one in McMinnville? Price is too good for it to be in reasonably good shape.