electric car and transport, wire news

Cars, buses, bicycles, electric airplanes: all electric transportation that exist. Conversion, engines and electric drives for transport ...
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plasmanu
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Re: Electric Cars and transport, wire news




by plasmanu » 14/11/23, 18:44

It's simple though. A copper coil is heavier and less powerful for the same size than a neodymium magnet. You lose twice.
There the magnet is not expensive, so we make do with it otherwise we would do otherwise.

Currently doing 100kms with 1kwh suits me very well (in eco mode)
but I rarely do 100kms so I have a good big reserve
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Re: Electric Cars and transport, wire news




by phil59 » 14/11/23, 18:48

The zoe are without "rare earth", which are not so rare, moreover, and if I am not mistaken, they are also used in pots "Catholic" : Lol:

On the other hand, you have to change "the coals", every 70-80 km, I have more in mind.
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plasmanu
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Re: Electric Cars and transport, wire news




by plasmanu » 14/11/23, 19:04

I didn't want to talk about something that was 20 years old in design.

https://www.futura-sciences.com/tech/ac ... es-109064/
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Re: Electric Cars and transport, wire news




by Remundo » 14/11/23, 19:12

plasmanu wrote:It's simple though. A copper coil is heavier and less powerful for the same size than a neodymium magnet. You lose twice.
There the magnet is not expensive, so we make do with it otherwise we would do otherwise.

Currently doing 100kms with 1kwh suits me very well (in eco mode)

10 kWh/100km by car is already a great performance.

Concerning "rare earths", technically yes permanent magnets are interesting, but
1) it creates a new dependence on raw materials from abroad
2) having copper windings allows the machine to be better controlled by current, while the permanent magnet removes a "degree of freedom" on the electrical level.
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Re: Electric Cars and transport, wire news




by sicetaitsimple » 14/11/23, 19:23

Janic wrote: this electrical madness which will lead into the wall...a little more! :(

Why "a little more"?
To my knowledge, the amount of oil that can reasonably be extracted in the world is a finite value.
Conversely, it seems that the sun is not likely to stop shining, at least on the human time scale, providing an infinite quantity of electrical energy if we "harvest" it.
So why not have both irons in the fire?
If for one reason or another (materials for example) one of the technologies has to slow down, our successors will notify us. But in the meantime, diversifying seems likely to minimize the risk of ending up in the wall.
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Re: Electric Cars and transport, wire news




by plasmanu » 14/11/23, 19:27

Remundo.
I wasn't talking about EVs but about my Mad Max VAE with 1kwh battery for 22kgs and 90kms of autonomy. I haven't tested the maximum, too afraid of coming back with the thing on my back.
Where yes: 10kwh for 100kms would be excellent for an EV
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Re: Electric Cars and transport, wire news




by Janic » 14/11/23, 19:37

14/11/23, 19:38
plasmanu
Janic. You have to have confidence in the future technology and the engineers who work on it.
except that all technology is not only positive like nuclear power which represents very high technology, to destroy the living when they depend on the politicians and economists who dominate the world.

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Why "a little more"?
When a bathtub overflows, it is not the means used to mop the floor that put an end to the overflow. These are the overflows that are "a little more" only because the bathtub was already full.
https://www.alternatives-economiques.fr ... 56130.html
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Re: Electric Cars and transport, wire news




by GuyGadeboisTheBack » 14/11/23, 19:39

The concept of an electric vehicle is very good, as is the performance of the engines. Where the problem lies is battery technology. As long as it does not change for something sustainable and non-polluting (regarding, among other things, extraction), it will remain the same heresy as all-oil, the raw materials of the so-called extractable batteries also being a finite value
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Re: Electric Cars and transport, wire news




by plasmanu » 14/11/23, 19:46

Who invented the VI (individual vehicle).
The Germans.
After a famine at the beginning of the 19th century, no more horses: all eaten.
An aristocrat invents the balance bike, faster than a carriage.
A Frenchman in his cellar invents the pedal board, faster than the balance bike.
Another invents the transmission chain to put on it, faster than the other and so on...
And the little Renault genius came through with its cardan transmission and its turbo and...
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Re: Electric Cars and transport, wire news




by sicetaitsimple » 14/11/23, 20:04

GuyGadeboisLeRetour wrote:The concept of an electric vehicle is very good, as is the performance of the engines. Where the problem lies is battery technology. As long as it does not change for something sustainable and non-polluting (regarding, among other things, extraction), it will remain the same heresy as all-oil, the raw materials of the so-called extractable batteries also being a finite value

-On the one hand, battery technology can evolve
-On the other hand, knowledge of resource deposits as well. There would be plenty of lithium not far from Remundo, in Allier.
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