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World’s first metal-free electric motor boosts conductivity by 133%, cuts weight 80%
Interesting Engineering ^
| June 11, 2025
| Staff
Posted on 06/12/2025 6:17:57 AM PDT by Red Badger
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To: Red Badger
The purified carbon nanotube cables achieved an electrical conductivity of 7.7 megasiemens per meter. Conductivity being the inverse of resistance (unit: Ohm), that corresponds to 1.3 x 10-4 mOhm/m. That's pretty good!
41
posted on
06/12/2025 11:48:57 AM PDT
by
Moltke
(Reasoning with a liberal is like watering a rock in the hope to grow a building.)
To: Captain Steve
This means little. The weight of motors isn’t the problem with EVs. It can be if you want the motor in the wheel hub (direct drive). Then unsprung mass is of paramount concern.
42
posted on
06/12/2025 11:52:21 AM PDT
by
Moltke
(Reasoning with a liberal is like watering a rock in the hope to grow a building.)
To: Moltke
That borders on superconductor range!..................
43
posted on
06/12/2025 11:53:17 AM PDT
by
Red Badger
(Homeless veterans camp in the streets while illegals are put up in 5 Star hotels....................)
To: Carry_Okie
“Recycling composites is usually a bear.”
These are NOT composites.
44
posted on
06/12/2025 12:05:53 PM PDT
by
TexasGator
(1.//1-1.'I'11-.1.'1'11\1I11111111111.1'11.'11/'~~'111./.)
To: TangoLimaSierra; sjmjax
“HA! I was wondering if anyone else noticed that.”
Obviously you are not versed in nanotube terminology ...
45
posted on
06/12/2025 12:09:30 PM PDT
by
TexasGator
(1.//1-1.'I'11-.1.'1'11\1I11111111111.1'11.'11/'~~'111./.)
To: TexasGator
fiber /fī′bər/
noun
A slender, elongated, threadlike object or structure.
One of the elongated, thick-walled cells that give strength and support to plant tissue.
Any of the filaments constituting the extracellular matrix of connective tissue.
It IS carbon, and it IS a fiber. If I want to refer to them that way, I will do so.
A Volkswagen is a car
A Chevrolet is also a car
I can refer to either as a car.
46
posted on
06/12/2025 1:37:00 PM PDT
by
GingisK
To: GingisK
“It IS carbon, and it IS a fiber. If I want to refer to them that way, I will do so.”
And you will continue to display your ignorance.
47
posted on
06/12/2025 1:53:47 PM PDT
by
TexasGator
(1.//1-1.'I'11-.1.'1'11\1I11111111111.1'11.'11/'~~'111./.)
To: TexasGator
Tell me that either “carbon” or “fiber” attributes do not apply; and, we’ll see who is ignorant.
48
posted on
06/12/2025 1:59:05 PM PDT
by
GingisK
To: GingisK
I see they are made of carbon, and that they are a tubular fiber:
Carbon Nanofiber You must be married to one, making you unsocially pedantic about their nomenclature.
49
posted on
06/12/2025 2:04:19 PM PDT
by
GingisK
To: Red Badger
50
posted on
06/12/2025 2:22:24 PM PDT
by
Moltke
(Reasoning with a liberal is like watering a rock in the hope to grow a building.)
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