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Thread: Electric cars ?

  1. #21
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    Common Sense's Avatar Senior Member
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    Quote Originally Posted by Tahuyaman View Post
    Yes they are.
    How so?

    As I've stated, electric vehicles have greater torque than combustion driven vehicles and their top speeds. They're also comparable or even superior in acceleration. Their top speeds are also comparable to combustion engines...unless 155 mph isn't fast enough for a family sedan.

    So how exactly are electric cars speed and power an issue?

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    countryboy's Avatar Senior Member
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    Quote Originally Posted by Common Sense View Post
    They're the future. They're not quite there yet, but they will be soon.

    The range problem is an issue for me. I do road trips where do 12 plus hours in a day. You currently can't do that with an EV.

    One way to solve the range problem would be to swap batteries rather than charging them.
    Lol, you realize they use hundreds of pounds of batteries, right? https://www.plugincars.com/are-elect...ig-133888.html
    Cutesy Time is OVER

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    Quote Originally Posted by countryboy View Post
    Lol, you realize they use hundreds of pounds of batteries, right? https://www.plugincars.com/are-elect...ig-133888.html
    Yes. That's why you'd need a rolling rack or robotic arm.

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    Quote Originally Posted by Common Sense View Post
    No, it's real.

    Currently they're just too expensive and there's the range issue, but electric vehicles can actually be quite powerful. As I said, they have faster acceleration than most conventional cars and more torque. The torque in an EV is actually far more energy efficient as well.

    People are free to dislike EVs, but they should understand the facts about them.
    Yes, they should. You just suggested swapping batteries as a way to extend range, without realizing just how untenable that is. https://cleantechnica.com/2017/10/04...ill-cost-5499/

    If you own a 2011 to 2015 Nissan LEAF, replacing the battery will cost you exactly $5,499, plus installation, which the company estimates will take about 3 hours.
    Cutesy Time is OVER

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    Quote Originally Posted by Common Sense View Post
    Yes. That's why you'd need a rolling rack or robotic arm.
    C'mon man, please be serious. It takes a fully equipped shop hours to change batteries. And where exactly would you carry the spare battery array?
    Cutesy Time is OVER

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    Quote Originally Posted by countryboy View Post
    Yes, they should. You just suggested swapping batteries as a way to extend range, without realizing just how untenable that is. https://cleantechnica.com/2017/10/04...ill-cost-5499/
    I understand that replacing the battery on an existing electric vehicle is expensive and cumbersome. I'm suggesting designing new vehicles so that the battery is standardized and easily removable.

    I'm fairly sure this isn't going to happen because it would require cooperation between all the manufacturers. It's also untenable because currently battery technology between companies is highly competitive, closely guarded and subject to patents.

    Its just an idea...

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    Quote Originally Posted by countryboy View Post
    C'mon man, please be serious. It takes a fully equipped shop hours to change batteries. And where exactly would you carry the spare battery array?
    That's only because that's the way they are currently built.

    You wouldn't carry an extra. You'd pull into a station and swap it with a fully charged one.

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    Quote Originally Posted by Common Sense View Post
    I understand that replacing the battery on an existing electric vehicle is expensive and cumbersome. I'm suggesting designing new vehicles so that the battery is standardized and easily removable.

    I'm fairly sure this isn't going to happen because it would require cooperation between all the manufacturers. It's also untenable because currently battery technology between companies is highly competitive, closely guarded and subject to patents.

    Its just an idea...
    It's not just that, but the technology to make it practical just isn't there, and due to the laws of physics, it may never be.
    Cutesy Time is OVER

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    Quote Originally Posted by Common Sense View Post
    That's only because that's the way they are currently built.

    You wouldn't carry an extra. You'd pull into a station and swap it with a fully charged one.
    They need a way to recrystalize the dilithium crystals within the warp core. That way, you could have two dilithium chambers, with one always undergoing the recrystalization process. Range would be unlimited.
    Cutesy Time is OVER

  10. #30
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    Quote Originally Posted by countryboy View Post
    It's not just that, but the technology to make it practical just isn't there, and due to the laws of physics, it may never be.
    I disagree. What physically would prevent a standardized battery size from being created? The standardized battery modules could even be made into smaller units. A larger truck may require 3 modules, while a sedan only 3. The modules could fit into slots on the lower portion of the vehicle that could be ejected, slid out and swapped for fresh ones.

    There is no missing technology that would make this impossible and certainly there's no conflict with the laws of physics.

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