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But, he's right about EV AC systems. In the summer, no indicated range is used by the AC. On my Volt, summer is when it has max range (45 miles indicated) and with the AC running I can still exceed 50 actual miles of electric range. With my Bolt, summer is where max range of 259 miles is shown, and we can exceed that by quite a bit even with the AC running.
In the winter, however, range is reduced by the heat running. Which is why you preheat while plugged in so that the heater isn't working very hard to bring the temp up once you get in to drive it. AND you run the heated seats and steering wheel (which run off the 12v battery) so as to not need the car to be as warm inside, ALSO increasing range.
What keeps you from buying an electric vehicle. Battery costs, Resale value, Support in rural area's.
Quote:
Originally Posted by Mr78609
I think the electric cars have not been on the market long enough to prove their long term reliability and cost. For example just how many years are the batteries guaranteed ? How much to replace them etc. We dont have all the data yet.
What keeps you from buying an electric vehicle? Battery costs, Resale value, Support in rural area's.
Here is a link to 106 Tesla's that have sold on ebay in the last 90 days.
Support in rural area's speaks for itself. I just received a federal D.O.T. high voltage vehicle inspection certificate. Took the course out of curiosity. With a back round of industrial electricity and computers another question comes to mind. We used to physically tag and lock out equipment to work on it. Here is another example of an electric car future nobody talks about.
I feel a better option for EVs would have been a system with exchangable battery packs. You would have say 2 in each car. These would be universal and you would be able to stop at something similar to a gas station and for a fee swap out your depleted packs for fully charged ones.
This would also allow people to keep a few extra in the trunk for extra long trips where exchange stations might be less common.
I feel a better option for EVs would have been a system with exchangable battery packs. You would have say 2 in each car. These would be universal and you would be able to stop at something similar to a gas station and for a fee swap out your depleted packs for fully charged ones.
This would also allow people to keep a few extra in the trunk for extra long trips where exchange stations might be less common.
Do you realize these batteries weigh over a thousand pounds?
I feel a better option for EVs would have been a system with exchangable battery packs. You would have say 2 in each car. These would be universal and you would be able to stop at something similar to a gas station and for a fee swap out your depleted packs for fully charged ones.
This would also allow people to keep a few extra in the trunk for extra long trips where exchange stations might be less common.
Swapping batteries has worked well for electric bikes and mopeds so far. However, bikes and mopeds are quite light and aren’t meant to be ridden at highway speeds, so they are very efficient. That efficiency means that the batteries can be quite small by weight and volume and are easy for a single person to swap out by hand and the footprint of battery swapping stations to be very small. For automobiles and the way most people use them, the batteries, even if split into two, three, or more would be so heavy and possibly unwieldy that swapping by hand for a single person would be quite difficult while having it automated and mechanized would be quite expensive per stall.
Battery energy densities by weight and volume would need to improve by about two orders of magnitude for this to be really viable, and while the density is improving pretty quickly, that kind of improvement would mean accelerating improvements to a massive degree if it’s to be possible within the next couple decades.
Meanwhile, fast charging has significantly improved in a short time period with the top fast chargers with production vehicles that can use them in 2012 hitting a top rate of 90kW compared to the top rate of 270kW today. The long range variant of the Model 3 can add 75 miles in 5 minutes at a peak rate of 250kW, and if that rate improvement were continued linearly, then it would in the short term obviate a need for battery swapping. If that improvement rate ended up being an exponential rate, then fast charging would be faster that filling up a fuel tank now by the end of this decade.
Last edited by OyCrumbler; 02-25-2020 at 05:59 PM..
I still criticize electronic fuel injection now and then. I do like a good carburetor!
There's no such thing a s a 'good carburetor'. lol. Injection is better in every single way. And it's so easy to add to older engines and makes a HUGE difference in power, reliability and drivability. It's the reason we can have 700-800 hp factory cars with the drivability and reliability of a 300hp car. The only time I'd use a carb anymore is for a period correct restoration. Same with points in a distributor.
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What keeps you from buying an electric vehicle. Battery costs, Resale value, Support in rural area's.
