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What's the max speed of this thing?

Ant to think I tore myself away from watching paint dry for this.......

I bet National Grid notice when that gets turned on.

Why don't the blades have more of an angle to them? It seems like it wouldn't be very good the way it is

This is taken directly from Portal 2

This looks quite scary

Those were some serious beef curtains

I’m just Thinkin half life gameplay. Gotta throw some garbage in there to stop blades so I can climb through

Would of been good if the yapping had stopped

What a big fan and it's very quiet operation but why does it spin so slowly and I thought it was a high RPM fan and what is fresh air intake?

I'd like to know what the point is of this sand in the first place

I expected to see it rev to 1000 rpm's

This is so scary. I have been 100m close to a water pusher ventilator that was 1 metre big I think, ang it was scary to hear that. I cant even imagine being close to that

Feel the need for breeze.

Where is part 2?

I assume if cranked on high it will blow tons of air

Portal 2 in real life

my ps4 when i try launching gta 6 on it

Next PM give her a good power wash. 💦💦

Not a big fan of this video at all. Never saw it complete startup did we? I have an old Sears fan that moves more air than that.

Magnificent piece of engineering. The rotor weighs several tonnes and is perfectly balanced.

Its kind of scary looking. Door opens and there's a giant spinning red fan in a black hole

Total Recall flashback...

Now that's a big ass fan!

I’m not a big fan, but it will do

Been there. Seen that. Stood in just about exactly that spot.

Cool

That was underwhelming. I was expecting a bit higher rate of rotation.

New Intel 15th gen cooler dropped

Rumor has it: this fan still hasn't gained the full speed

Stand by for lift off

WWII equipment 😮

THAT IS INSANE!!!!! Thanks for sharing this. I'm a huge fan of giant industrial/municipal machinery.

With any fan, the energy required (current in amperes if electrically driven) at the initiation of start up is to overcome the static inertia, plus friction in the drive system. As the machine rotational speed increases, the air it now begins to move creates resistance, which requires proportionally more energy, until the maximum rotational speed is approached, at which point the turning force, or torque, should remain constant. It is the opposite situation (regarding starting from standstill), to a motor driving, say, a compressor, lathe or other machine, which requires an initial high starting torque, or electrical current. BUT...... you already knew that, I would have thought....(!!)

Now that's a big heavy metal fan! 🤙

Fascinating that most mechanical machines involves the spinning motion.

I don’t even think it hit 1 RPM by the end of the video

I wonder if this fan aired on tv, it would have blown the ratings by putting a new spin on things

Where is this? Britain?

When your RPM is a decimal:

I don’t know why but there’s something really creepy about this. Like imagine you’re walking through a dark building and this big ass thing is at the end of the hallway running full speed

That was interesting. Thanks.

WHERE THE FFF IS THE REST OF THE VIDEO??

Fantastic!

Hubiera sido interesante ver el motor o motores que mueven ese ventilador a través de esa caja de engranajes...

Is this for a traffic tunnel?

The purpose of this is?

Hat-tip to the lads at Metro-Vick for a gearbox that will be around in 200 years. Still working. Probably still ramping up to operating speeds. (a VFD the size of a city bus...)

Amd ryzen's fan

You can hear the whine of the VFD carrier - Imagine soft starting this before the VFD? Probably huge resistors to get it going initially.