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### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Mon Apr 29, 2019 6:37 pm
WetEV wrote:How much does 62 kWh weigh?

I get 0.0000025 g

Or 0.0000000054 lb.
Is this an attempt to weigh electrons ?

Charging does not add electrons, it increases voltage (aka 'electric pressure.') It is an increase in potential energy.

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Mon Apr 29, 2019 6:38 pm
Since I was weighing the just car,

How much does an unjust Leaf weigh?

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Mon Apr 29, 2019 6:41 pm
Or how much does it actually weigh wet instead of the dry weight

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Mon Apr 29, 2019 7:53 pm
SageBrush wrote:
WetEV wrote:How much does 62 kWh weigh?

I get 0.0000025 g

Or 0.0000000054 lb.
Is this an attempt to weigh electrons ?

Charging does not add electrons, it increases voltage (aka 'electric pressure.') It is an increase in potential energy.
e=mc^2

So

m= e/c^2

Add energy, the mass goes up.

https://en.wikipedia.org/wiki/Mass%E2%8 ... quivalence

Do check my math, I might have gotten it wrong.

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Tue Apr 30, 2019 5:27 am
WetEV wrote:
SageBrush wrote:
WetEV wrote:How much does 62 kWh weigh?

I get 0.0000025 g

Or 0.0000000054 lb.
Is this an attempt to weigh electrons ?

Charging does not add electrons, it increases voltage (aka 'electric pressure.') It is an increase in potential energy.
e=mc^2

So

m= e/c^2

Add energy, the mass goes up.

https://en.wikipedia.org/wiki/Mass%E2%8 ... quivalence
You are right. I presume it means that the voltage increase implies an internal change in inertia.

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Tue Apr 30, 2019 6:00 am
BrockWI wrote:Or how much does it actually weigh wet instead of the dry weight
My EV is almost always wet, thanks to all the rain we usually get.

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Tue Apr 30, 2019 3:18 pm
OrientExpress wrote:Leave it to a bunch of old nerds to overthink everything. Since I was weighing the just car, it would be dry weight, but remember to subtract 0.0000000054 lb for the fuel
Then why do you think the car's so overweight? U.S. truck weight scales are limited to no more than a 40 lb error @ 10 tons to be in tolerance, so that doesn't explain an almost 5.4% overweight. 1-2% variation I could understand, but over 5%?

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Wed May 01, 2019 5:36 pm
It’s probably due to all that extra emissions equipment they need in CA.

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Wed May 01, 2019 6:15 pm
April Leaf sales under 1k. What’s happening? Other choices stealing the leaf thunder? Supply constrained?

### Re: 2019 "60 kWh" Leaf e-Plus

Posted: Wed May 01, 2019 7:03 pm