Electric cars

renewablejohn

Member
Location
lancs
Ah, more modern methods of offshore turbine construction, like this you mean -

Floating concrete: the untold story of offshore wind

http://useofcement.cembureau.eu/2018/04/02/floating-concrete-the-untold-story-of-offshore-wind/

Planning permission or the exclusion from supply contracts, which may well change?

Why dont you actually read the article. What is being described is a deep water application aimed at the French not the shallow water environment found around the UK coast which predominately use steel.
 

Scribus

Member
Location
Central Atlantic
Why dont you actually read the article. What is being described is a deep water application aimed at the French not the shallow water environment found around the UK coast which predominately use steel.

I think maybe you should read the article again -

In August 2017, the first of five mammoth gravity-based foundations for an offshore wind farm in British waters was installed near the coast of Northumberland, using the ‘float and submerge method’.


The concrete and steel gravity-based foundations were built in a dry dock and then floated down river to the Port of Tyne where extra ballast was added, before being towed by tug vessels offshore.
 

renewablejohn

Member
Location
lancs
I think maybe you should read the article again -

In August 2017, the first of five mammoth gravity-based foundations for an offshore wind farm in British waters was installed near the coast of Northumberland, using the ‘float and submerge method’.


The concrete and steel gravity-based foundations were built in a dry dock and then floated down river to the Port of Tyne where extra ballast was added, before being towed by tug vessels offshore.

Yes its a research facility what do you expect. Its not the standard method used anywhere around the UK coast.
 

renewablejohn

Member
Location
lancs
Y'know, you used to pee me off with your pathetic attempts at evasion when your fibs and spin were proven to be nonsense, but now I've stopped taking you seriously my life has improved immensely.

Where are all these fibs and spin you have proven to be nonsense. Always good to know that I am still able to pee off a troll. Quite easy really when your claims are easily dismantled.
 

Fat hen

Member
is anyone buying an electric car/suv?
Whats the best one?
Is it right u get an interest free loan?
Got an Outlander Phev and thus far think it's great. Wanted to move away from diesel. Very quiet and smooth. It suits short journeys (sub 50 miles) followed by a charge which fits with the majority of our trips. On longer journeys you can use the Save battery function which manually allows you to switch between electric and petrol. So for urban/40mph areas use electric which is more efficient than the petrol at such speeds obviously. And motorway use petrol. Getting 70mpg as a result. Pulls 1.5t. Diff lock 4wd.
 
And neither have you unless you work for EDF and have inside information. However it is all over the french press the corrosion issues of many of the pipes affecting the majority of the EDF fleet.

And yet on the given day I posted a screenshot of, France was running at 70% on nuclear power, the remainder hydroelectric, and fudge all wind. They are already de-carbonised, what possible benefit does wind bring to the equation, why even bother with it?

As for your ridiculous comment regarding outages, the reasons for them are posted in black and white here:

https://www.edfenergy.com/energy/power-station/daily-statuses

Sizewell is undergoing a refuel, the remainder are undertaking planned statutory outages, no mystery there- machinery needs maintenance and inspection. Even so, the capacity and load factors for the UK, French and US reactors fleets are not hard to find, even with the UK's peculiar designs, they ended up running a sniff better than the remainder in Europe though some way behind the USA where they manage to exceed 90% routinely.
 
But how many cars would 113 megawatts 24/7 charge up.

Who gives a fudge about that? It's pish all compared to their output at full power.

Let me get this right, you intend to power the UK with wind and solar power- both of which would cover herculean areas of land as it is- and intend to get around the fact their capacity factors are so low, by building 3-5 times as many?

And that is before you consider the need for some kind of storage or do you intend to simply build even more of the things so that a good breeze in one part of the country can offset the fact it is utterly calm in another? Oh ok then, so you reckon you can shuffle the full capacity in the grid, lets say 40 odd GW from one end of the country to another, all using existing lines? If you are calling for a serious expansion of the network to cater for this, including gas insulated DC lines and all the complexity involved with that, have you figured that into the costs of solar and wind power?

There is dreaming and there is utter insanity. I reckon you need to study the road to nowhere.
 
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Scribus

Member
Location
Central Atlantic
Who gives a fudge about that? It's pish all compared to their output at full power.

Let me get this right, you intend to power the UK with wind and solar power- both of which would cover herculean areas of land as it is- and intend to get around the fact their capacity factors are so low, by building 3-5 times as many?

And that is before you consider the need for some kind of storage or do you intend to simply build even more of the things so that a good breeze in one part of the country can offset the fact it is utterly calm in another? Oh ok then, so you reckon you can shuffle the full capacity in the grid, lets say 40 odd GW from one end of the country to another, all using existing lines? If you are calling for a serious expansion of the network to cater for this, including gas insulated DC lines and all the complexity involved with that, have you figured that into the costs of solar and wind power?

There is dreaming and there is utter insanity. I reckon you need to study the road to nowhere.

Switching to battery powered cars is also going to demand a huge investment in the grid which simply won't be able to cope in its present state. Musk had the brainwave of using old Tesla batteries as storage to ease out the peaks and the troughs, dumping them in large warehouses in other words, yet other EV fans insisted that cobalt supply wouldn't be a problem if we recycled all the old batteries! They need to get their act together.

Another study suggested that the grid could probably just about cope if not everybody charged at once and of course 'smart technology' was the answer to such rationing, kinda handy if you are half way through and the charger cuts out or doubles the price.

The battery boys just haven't thought this through.

There is an interesting estimate of the extra metals needed to work an EV world here -

http://www.mining.com/much-copper-nickel-cobalt-electric-vehicle-world-needs/
 

renewablejohn

Member
Location
lancs
And yet on the given day I posted a screenshot of, France was running at 70% on nuclear power, the remainder hydroelectric, and fudge all wind. They are already de-carbonised, what possible benefit does wind bring to the equation, why even bother with it?

As for your ridiculous comment regarding outages, the reasons for them are posted in black and white here:

https://www.edfenergy.com/energy/power-station/daily-statuses

Sizewell is undergoing a refuel, the remainder are undertaking planned statutory outages, no mystery there- machinery needs maintenance and inspection. Even so, the capacity and load factors for the UK, French and US reactors fleets are not hard to find, even with the UK's peculiar designs, they ended up running a sniff better than the remainder in Europe though some way behind the USA where they manage to exceed 90% routinely.

The comment on outages was in respect of the french report which showed many of the outages were forced outages and if you look at the report in detail this meant that some of the nuclear plants which had planned outages had to be kept running. All indications that the french nuclear dream is not as rosey as you paint.
 

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