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Groover

Pulaski, TN

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Posted: 06/16/21 12:22pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

noteven wrote:

Before a new argument over generator fuel gets going…

Isn’t a watt a watt regardless of the energy source that was converted to generate it?
Of course.

Unfortunately the calculated need for electricity is coming from converting the about of crude burned instead of the EV miles driven.


I question the main assumption of that calculation saying that the typical efficiency of an ICE drive train is 35%. I have tried to look it up for cars but have struck out, that is why I resorted to using the Honda EU 7000 as a base for my calculations.

Fuel Capacity 5.1 gallons
Run Time 6 hours @ rated load
AC Rated Output 120/240 5500W
1 btu per hour =0.29307107 watts

5.1 gallons/6 hours = .85 gallons/hr
.85 X 130,000btu/gal for gasoline = 110,500 btu/hr input
110,500 btu/hr X .293 watts/(btu/hr) = 32,376 watts input to the generator

However, the generator only puts out 5,500 watts.
So its efficiency is 5,500 watts out/32,376 watts in = 0.17 or 17%

Even only using 17% thermal efficiency of conversion it is still more efficient to pump that energy into an electric car than an ICE vehicle so I don't think that it is too low. Either the 35% efficiency estimate for an ICE engine is 100% too high or the electric car is much more efficient at using its power available. Either way, it looks we would only need about 7 power plants instead of the fifteen that was calculated by noteven.

Still a lot but cut down to size quite a bit.

Yosemite Sam1

Under the pines.

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Posted: 06/16/21 12:26pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

No calls from CA to conserve in this week's heat wave.



In Texas meanwhile... it's now fry after last winter freezing to their death.

Gov Abbbott ask Texans to Conserve Electricity

Yosemite Sam1

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Posted: 06/16/21 12:41pm Link  |  Quote  |  Print  |  Notify Moderator

colliehauler wrote:

They have to much capacity tied to wind power. I think if a lot of new homes would utilize solar panels it would go a long ways in the sunbelt to elevate peak energy demand. When I build my new garage I will look at installing a large solar panel system.
.

I thought this lame excuse had been debunked when some wise guys showed states equally relying to renewals a side by side photos and videos comparing it to Texas.

I'm no meteorologist but in my limited understanding, heat actually moves air to make those windmills go whom, whom, whom to kill birds and cause cancer to pips.

time2roll

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Posted: 06/16/21 02:24pm Link  |  Quote  |  Print  |  Notify Moderator

Yosemite Sam1 wrote:

time2roll wrote:

No calls from CA to conserve in this week's heat wave.



In Texas meanwhile... it's now fry after last winter freezing to their death.

Gov Abbbott ask Texans to Conserve Electricity
Maybe get on board with the infrastructure plan and request some grid improvements? Maybe go in on some wind/solar?

https://www.cbsnews.com/news/ercot-texas........to-conserve-during-blistering-heat-wave/

* This post was edited 06/16/21 02:42pm by time2roll *


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Grit dog

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Posted: 06/16/21 02:35pm Link  |  Quote  |  Print  |  Notify Moderator

Yosemite Sam1 wrote:

to make those windmills go whom, whom, whom to kill birds and cause cancer to pips.


Say wut?


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lbrjet

Gold Canyon, AZ

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Posted: 06/16/21 05:20pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

Yosemite Sam1 wrote:

time2roll wrote:

No calls from CA to conserve in this week's heat wave.



In Texas meanwhile... it's now fry after last winter freezing to their death.

Gov Abbbott ask Texans to Conserve Electricity
Maybe get on board with the infrastructure plan and request some grid improvements? Maybe go in on some wind/solar?

https://www.cbsnews.com/news/ercot-texas........to-conserve-during-blistering-heat-wave/


Texas already has more wind power than any other state. Number 2 in solar.


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time2roll

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Posted: 06/16/21 09:44pm Link  |  Quote  |  Print  |  Notify Moderator

lbrjet wrote:

Texas already has more wind power than any other state. Number 2 in solar.
Good time to install the cold weather pack on these for the next winter. No reason to watch them freeze up while Norway can operate year round.

Groover

Pulaski, TN

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Posted: 06/17/21 06:37am Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

lbrjet wrote:

Texas already has more wind power than any other state. Number 2 in solar.
Good time to install the cold weather pack on these for the next winter. No reason to watch them freeze up while Norway can operate year round.


From what I have heard the cold weather pack is largely insulation for holding in heat. It can be very much in the way in hot weather which is what Texas is having right now.

colliehauler

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Posted: 06/17/21 05:19pm Link  |  Quote  |  Print  |  Notify Moderator

Yosemite Sam1 wrote:

colliehauler wrote:

They have to much capacity tied to wind power. I think if a lot of new homes would utilize solar panels it would go a long ways in the sunbelt to elevate peak energy demand. When I build my new garage I will look at installing a large solar panel system.
.

I thought this lame excuse had been debunked when some wise guys showed states equally relying to renewals a side by side photos and videos comparing it to Texas.

I'm no meteorologist but in my limited understanding, heat actually moves air to make those windmills go whom, whom, whom to kill birds and cause cancer to pips.
That's obvious by your limited knowledge response. When a high pressure Dome sits over an area the air becomes stagnant when you have a difference between high pressure and a low pressure you get isobars that enables wind to equalize the pressure difference. In large cities like LA this leads to smog because the air is stagnant. All hot air does is rise which doesn't power a wind turbine.

Yosemite Sam1

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Posted: 06/17/21 05:33pm Link  |  Quote  |  Print  |  Notify Moderator

colliehauler wrote:

... stagnant when you have a difference between high pressure and a low pressure you get isobars that enables wind to equalize the pressure difference. In large cities like LA this leads to smog because the air is stagnant. All hot air does is rise which doesn't power a wind turbine.


See told yah, I'm no meteorologist and can't do isobars.

But for ignorance, I do know that LA's smog is not caused by isobars but my inversion when the air is trapped by the surrounding high mountain ranges.

And yes, LA (and CA for that matter) is global success story for pollution mitigation when states who are willing to poison their people by enticing them to move with no-regulation and big business friendly tax cuts.

Yup, everybody happy except those poor souls.

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