Future energy sources?

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AlexO
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Re: Future energy sources?

Post by AlexO » July 8, 2024, 9:11 am

Getting back onto the subject of the thread.
https://www.youtube.com/watch?v=LklUVkMPl8g
Its not all doom and gloom or its the saviour of mankind and quite specifically based on Ireland but does show the pluses and minuses of dependence on wind and solar power.



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Re: Future energy sources?

Post by pipoz4444 » July 8, 2024, 1:17 pm

AlexO wrote:
July 8, 2024, 9:11 am
Getting back onto the subject of the thread.
https://www.youtube.com/watch?v=LklUVkMPl8g
Its not all doom and gloom or its the saviour of mankind and quite specifically based on Ireland but does show the pluses and minuses of dependence on wind and solar power.
I will wait for the day that I see a solar powered and wind powered Mobile Crawler Crane being used to do the maintenance on the gearboxes.

Opp's mobile cranes are currently diesel powered, but lets ban them? [-( [-( :-k

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Re: Future energy sources?

Post by jackspratt » July 8, 2024, 1:38 pm

pipoz4444 wrote:
July 8, 2024, 1:17 pm

Opp's mobile cranes are currently diesel powered, but lets ban them? [-( [-( :-k

pipoz4444
It's only a matter of time.

I don't think anyone has seriously suggested banning heavy equipment while the transition to renewable power is in progress.

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Re: Future energy sources?

Post by Whistler » July 8, 2024, 2:25 pm

Some years ago I did a project that managed refurbished of longways mining rigs in the Hunter Valley. They transioned from diesel powered equipment to all electric (not solar of course, but some battery driven).

Apart from the obvious advantage of ventilation no long needed to treat exhaust, the electric equipment had maximum torque at zero revs. It points to the viability of electric power for other heavy machinery tasks. I am not a mechanical engineer, so curious to hear if others on this site with such expertise giving their opinion.
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Re: Future energy sources?

Post by Whistler » July 8, 2024, 9:46 pm

Seems obvious now that the mods will not tolerate unnecessary abusive posts.

[Redacted]
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Re: Future energy sources?

Post by Udon Map » July 8, 2024, 11:24 pm

Whistler wrote:
July 8, 2024, 9:46 pm
Seems obvious now that the mods will not tolerate unnecessary abusive posts.
No, we won't. If we remove one of your posts, you can bet that it's over the line. We're particularly sensitive to ad hominem, off-topic posts. If, after one of your posts has been removed, you wish to continue posting in a way that requires us to remove your post(s), may we suggest that you look for a forum where you might feel more comfortable? Posts attacking or commenting on another poster personally rather than being about the topic of the thread are inappropriate on Udon Map.

If you feel that a post is inappropriate, please bring it to our attention by using the triangle button which appears in that, and every, post.

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Re: Future energy sources?

Post by Doodoo » July 11, 2024, 9:05 pm

https://www.youtube.com/watch?v=I8b5-cfPmsY

Toyota CEO, "This NEW Engine Will Destroy The Entire EV Industry!"

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Re: Future energy sources?

Post by Whistler » July 11, 2024, 11:51 pm

Toyota hardly makes any EVs but plan for it to be more than 5% of its sales next year

This looks like a total BS production. When you look at the credentials of the owner...

Disclaimer - Our channel is made for entertainment purposes only, based on news, rumors, and speculation. Anything that is said in the videos is either opinion, criticism, information, or commentary. While we aim for accuracy, our information may not be correct, up-to-date or complete. Always consult experts and do your own research. Enjoy, but question and explore further.

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At least they have a gmail account 555555
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Re: Future energy sources?

Post by Doodoo » July 12, 2024, 2:52 am

Your opinion

But your statements often remind me of Trumps, whereas you are very expressive but produce no backing data

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Re: Future energy sources?

Post by tamada » July 21, 2024, 7:28 pm

"Batteries do not produce electricity, but store electricity produced elsewhere, such as coal, uranium, natural power plants or diesel generators. So, the claim that an electric car is a zero-emission vehicle is absolutely not true, because the electricity produced comes from power plants and many of them burn coal or gas.

So today 40%? of electric cars on the road are carbon-based.

But that's not all.

Those who are excited about electric cars and a green revolution should take a closer look at batteries, but also wind turbines and solar panels.

A typical electric car battery weighs 450 kg, about the size of a suitcase. Contains 11 kg of lithium, 27 kg of nickel, 20 kg of manganese, 14 kg of cobalt, 90 kg of copper and 180 kg of aluminum, steel and plastic. There are more than 6,000 lithium-ion cells inside.

To make each EV battery, you will need to process 11,000 kg of lithium salt, 15,000 kg of cobalt ore, 2,270 kg of nickel resin, and 11,000 kg of copper ore. In total, you need to remove 225,000 kg of soil for a battery.

The biggest problem with solar systems are the chemicals used to turn silicate into gravel used for panels.To produce enough clean silicon, it is necessary to treat with hydrochloric acid, sulfuric acid, fluoride, trichloroethane and acetone. In addition, gallium, arsenide, copper-Indian-gallium diselenide and cadmium telluride are required, which are also very toxic. Silicone powder is a hazard to workers and the tiles cannot be recycled.

Wind turbines are no more ultra in terms of cost and environmental destruction.

Each windmill weighs 1,688 tons (equivalent to the weight of 23 houses) and contains 1300 tons of concrete, 295 tons of steel, 48 tons of iron, 24 tons of fiberglass, and hard-to-obtain rare earths Neodymium, Preodymium, and Disprosium.

Each of the three blades weighs 40,000 kg and has a lifespan of 15 to 20 years, after which they must be replaced. Used rotor blades cannot be recycled.

Of course, these technologies can have their place, but we must look beyond the myth of freedom of broadcasting. "Going Green" may seem like a utopian ideal, but if you look at the hidden and embedded costs realistically and unbiased, you will find that "Going Green" today does more damage to the Earth's environment than meets the eye.

I am not opposed to mining, electric vehicles, wind or solar energy. But the reality is not so idyllic."
1721494296750.jpeg
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Re: Future energy sources?

Post by AlexO » July 21, 2024, 7:50 pm

BUT, BUt Tam
You know SOD ALL and have NFI, and then the classic YOU ARE LYING.
Just cannot wait on the replies :-"

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Re: Future energy sources?

Post by Whistler » July 21, 2024, 9:51 pm

The figures on the post about ev batteries and wind turbines are utter nonsense. 40 tonne for a turbine blade....how about 5 tonne. Other figures equally ridiculous.
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Re: Future energy sources?

Post by AlexO » July 21, 2024, 10:14 pm

Didn't take long.

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Re: Future energy sources?

Post by tamada » July 22, 2024, 5:40 am

Yup.
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Re: Future energy sources?

Post by Barney » July 23, 2024, 8:14 am

Whistler wrote:
July 21, 2024, 9:51 pm
The figures on the post about ev batteries and wind turbines are utter nonsense. 40 tonne for a turbine blade....how about 5 tonne. Other figures equally ridiculous.
5 ton, where's your source for that statement?

But you may be correct with all your years of heavy lift rigging application.
In my expansive traffic control experience, I have personally witnessed these blades being trucked to wharves and lifted onto barges. In China by the way.

To parrot your words
You have NFI

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Re: Future energy sources?

Post by Whistler » July 23, 2024, 8:49 am

Duplicate
Last edited by Whistler on July 23, 2024, 9:05 am, edited 1 time in total.
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Re: Future energy sources?

Post by noosard » July 23, 2024, 8:59 am

Seems the blade size and weight depends on the size of the turbine
which does vary

The average weight of a wind turbine is about 200 tons in total. The blades weigh about 35 tons, the tower itself at around 70 tons, and the gear box weighing at about 55 tons.

The average blade on a typical onshore wind turbine measures around 165ft (50m) in length. However, there is a growing trend for taller turbines – often found offshore at sea – with blade spans of anywhere up to 260-290ft (80-90m) in length.

So as you can imagine offshore wind turbine blades will weigh a great deal more
Last edited by noosard on July 23, 2024, 9:02 am, edited 1 time in total.

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Re: Future energy sources?

Post by Whistler » July 23, 2024, 9:01 am

https://www.google.com/search?q=how+muc ... e&ie=UTF-8

According to quota, the average size of a wind turbine blade is 50m. Weight around 7 not 5 tonnes, nowhere near 40 tonne. Did you cover wind turbine construction as part of you traffic management degree? LOL
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Re: Future energy sources?

Post by Whistler » July 23, 2024, 9:06 am

noosard wrote:
July 23, 2024, 8:59 am
Seems the blade size and weight depends on the size of the turbine
which does vary

The average weight of a wind turbine is about 200 tons in total. The blades weigh about 35 tons, the tower itself at around 70 tons, and the gear box weighing at about 55 tons.

The average blade on a typical onshore wind turbine measures around 165ft (50m) in length. However, there is a growing trend for taller turbines – often found offshore at sea – with blade spans of anywhere up to 260-290ft (80-90m) in length.

So as you can imagine offshore wind turbine blades will weigh a great deal more
Agree noosard, I think you are close to the mark from what I have read.
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Re: Future energy sources?

Post by tamada » July 23, 2024, 9:58 am

Whistler wrote:
July 21, 2024, 9:51 pm
The figures on the post about ev batteries and wind turbines are utter nonsense. 40 tonne for a turbine blade....how about 5 tonne. Other figures equally ridiculous.
Possibly a slip of the decimal point regarding blade weight. As it stands, Google's weight approximation is 'all over the shop', but the ardent Google searcher should not simply quote the first link that confirms their argument, understanding or narrative.

Now, how about the unsubstantiated, "Other figures equally ridiculous." opinion?
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