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This is Blue Peter but mini.
Expect epic adventures, makes,
bakes, badges, pets,
presenters and your post.
We've only got five minutes so get ready for your Blue Peter adventure.
It's time for me to take on these massive towering turbines.
I've had to complete some tough sea survival training.
Let's hope I don't need it as I join the specialist
engineering team who are going to show me how a wind turbine works.
We are heading 12 miles out off the coast of Liverpool.
It is wet and it is very windy.
The wind farm is approaching,
so it's time for me to gear up
and prepare for these super-sized structures.
We've now just entered the actual wind farm
and the first thing you notice is just the size of them.
They are genuinely enormous.
Each turbine is approximately the height of 26 double-decker buses
and I love it.
As our boat approaches the turbine, everything starts to get serious.
This is by far the most dangerous moment in my whole day,
the transfer from the boat to the ladder.
I got a bit confused in training...
Er, no, the rope.
..but now it's the real deal. I have to stay ice cool.
I tell you what, this is a touch different to the swimming pool.
I need to tread carefully. The rungs are slippy with seaweed
and the wind is swirling all around me.
All I can do is keep climbing.
This is one seriously extreme job.
And I've made it.
I'm now 20 metres up.
Can you hear that?
Because those are the sounds of blades. Look at the size of them!
Look how close they are.
You can almost feel the air resistance touching your cheek.
And in a few seconds I'm going to go and turn those things off.
This day gets better and better.
The engineers winch up their equipment
and then it's time for Paul and me to do a very important job.
I hope you can hear us. It is incredibly loud in here.
This turbine can generate over 3,000 kilowatts
and that amount of electricity,
we need to turn it off to make sure we're safe.
You should feel a little wobble when the brakes come on properly.
Yeah, I can feel it now.
And there you go. Stopped.
Turbine is safe and there's no turning back now.
So this is it.
120 metres up that way.
Take me to the top.
The shaft of this tower is so massive it has its very own lift.
As I head to the top, let's find out how wind energy works.
This generator makes electricity by spinning
a magnet inside a metal coil.
You might have made a small version of this at school.
There are many different ways to power a generator.
In this case, it is using wind power.
I'm now 80 metres up in the neck of the turbine.
This is the part which actually pivots the whole top of the turbine
with the blades and everything
so it faces the wind in any direction.
To generate maximum power,
the turbine's blades must be facing into the wind.
But because the wind direction changes,
these turbines need to be able to rotate.
There's six motors, now, all turning the turbine.
So you can see this moving quite slowly,
and automatically this will pick up where the wind is
and turn it any which way to find the best direction.
This place is the best.
Such incredible engineering.
It's now time to go even higher into the head of the turbine,
known as the nacelle.
-Paul, I am in the nacelle.
-Yep. There we are.
So, what exactly goes on here?
What we are looking at now is, obviously,
outside you have got the hub and the blades
and then that turns this main shaft here,
and then that goes into the generator,
which is what produces the electricity.
It's really similar to...
It goes from the wind outside, that's free,
-into everything we need for our homes.
Now, Paul, a bit of a favour.
Is there any way we could stand on top of the nacelle?
We can certainly stand out the back
on what we call the weather deck,
but we can't stand on top of this.
See you on the weather deck.
This is it.
The moment I've been waiting for since the start of my training.
Time to stand at the top of this 120 metre mega-structure.
Would you take a look at this view.
The wind energy turned into electricity.
What an incredible thought that is.
I've learnt so much.
All I need now to do is just to, erm...
Well, get down, I guess.