Behold, the only fan that can air-cool the RTX 4090.

Lakshya Gaming.76

10 күн бұрын

@Vezér Trójai yup coz the AMD r9 290 is very hot, so that's why I'm saying that it could be a fan for it

Vezér Trójai

10 күн бұрын

@Lakshya Gaming.76 nop

Lakshya Gaming.76

10 күн бұрын

You mean the best AMD r9 290 cooler?

Vezér Trójai

18 күн бұрын

LoL lier

Maxomega 2

29 күн бұрын

@Brawndo im not necessarily saying it does more im just saying what i wrote is what i meant and i was refering to the video they made with Splave

I'm a repair tech at a lighting company. We use these guys on some of our robotic light fixtures and some fog machines. The lights get REALLY hot, so much so it melts if the fans are underperforming.

Words

Ай бұрын

people really don't realize how much a bank of incandescent bulbs put out lmaoo

MaxDev

Ай бұрын

The weak melt only the strong shall survive

Candyman

Ай бұрын

stupid inefficient dingus lights.

Cyn Hicks

Ай бұрын

@WJCTechyman I'm not in cinema but isn't the projection room well isolated?

WJCTechyman

Ай бұрын

I just said I don't think they would be quiet enough for cinema use but if they are used in intelligent lighting like Vari-Lites or other systems, maybe they could be used in projection. Both tend to use Xenon arc lamps if I remember correctly. Or are you talking about something bigger?

one single fan drawing more power than most people's entire computers excites me to no end.

The Armin

Ай бұрын

3 of these would solve the polar ice caps melting issue.

I didn’t even know a 600W computer fan was possible.

whitenight369

Ай бұрын

That thing turbo charged? Hehehe

morti271

Ай бұрын

When the fan itself creates more heat then the rest of the system

Iso Linear

Ай бұрын

You should see some of the fans in the RICER (basically a centralized computer room of a Warship).

Luke B

Ай бұрын

@LiveType I did a Google image search for 'world's largest axial fan' once just out of curiosity. One of them was labelled 11 megawatts (!) and tbh that looked accurate. Also if you check out a video of the 'Mersey tunnel tour' of the underground tunnel in Liverpool they have some giant ventilation fans inside there. Apparently still using original fans from the early 1900s, which I suppose explains the massive size as they must have been limited in RPM with the tech of those days so just decided to go big instead.

LaFireTeam PLX

Ай бұрын

@Dio no

I had 2 fans slightly less beefy than this one installed in a PC case many years ago. They came out of an old commercial Xerox machine from the mid-late 80's that we disassembled in my high school vocational electronics class. I still have them to this day some 20+ years later. It got tons of laughs and questions at LAN parties and such. They had their own PSU in a separate case that sat beside the PC case and had a control panel with aviation surplus shrouded "arm/disarm" switches for power and a few switches to make it run at specific RPMs or they could be bypassed and controlled by a massive rheostat. The fan PSU had an old vintage analog RPM gauge that was salvaged from an old hydroelectric substation that I'd installed LED backlighting in and matching sets behind the fans that would progressively grow brighter and change from green to yellow to orange to red as it neared max speed. It was so much overkill, impractical, and absurd and I loved it. I ended up disassembling all of that a long time ago and relegating them to run at a lower RPM than initially intended because it was just ridiculous. I just went and looked and they are NMB 5920PL-07W- B70-D00 48v DC brushless fans. They're 172mm x 150mm x 50mm, 1.45 Amps, 24.5W, spin at 4000 RPM and move 300 CFM or 8.5 m³/min. Static pressure rating from a single fan is 226.5 Pa, and it's a whisper quiet 63.2 dBA. This was a fun vid and I'm glad dumb stuff like this is still being done! (edited to correct model # and specs)

Chandler Holm

3 ай бұрын

I just love the idea of a ridiculous military-grade looking cooling solution with a bunch of bells and whistles - having to flip a bunch of switches to even get it to work would freak so many people out, amazing.

I keep coming back to this video as one of the genuinely funniest, most surreal videos LTT has put together. The crazy wigs for wind effect held back with zip ties, the nuclear-strength banshee cooling fan, Linus’ genuine shock as his cucumber is vaporized at 8:39 in a chapter named “Saftey Test”, a vegetable smoothie being sprayed all over a laser etcher, the empty stare and dazed post-adrenaline commitment to more madness at 10:10, stuffing TWO of those fans into a tower for a ridiculously academic and unnecessary benchmark, and using the suction to test normal cooling fans for backvolt protection. That is one hell of an episode on paper, and it STILL is much greater than the sum of its parts. Fantastic content.

Alex has gone from being slightly uncomfortable on camera, to being insane and actually making Linus uncomfortable with his ideas.

Ranjakar Patel

2 ай бұрын

please change name four video four became fareness four india. make say vishnu of computer fans for make equality my dear. I respect four you but this day i cry. i cry

Bryce Witkowoski

2 ай бұрын

thats exactly verbatim what linus said

Charles Hines

2 ай бұрын

In that regard it does seem like it would be a good way to have fun with someone as nervous as Linus. I wonder what it is like when he goes to see a dentist hehehe

Ata Varol

3 ай бұрын

Dude is living my dream actually. Mechanical engineer with toys xd

Je

4 ай бұрын

That's the arch a lot on engineers take while working. from shy and passive to THE AGGRESSSSOOR. also if an engineer or tech says "it's fine" that means they are doing something sketchy.

I used these a lot in VFD cabinets in the industrial manufacturing plants I used to work at. The VFD cabinets were generally either outside close to the motors, or in central VFD rooms that could get extremely hot. Especially in cases where the VFD also had brake resistors built in.

Timothy Vertin

Ай бұрын

You took my comment!! We had fans like these in VFD cabinet for a Toshiba drive cabinet. Power plant running 480VAC, 400 HP motors!

matthew weaver

3 ай бұрын

I just strapped one of these to the top of a parker 620 that had its internal fan quit. Easier than ripping the drive apart.

randomchannel64

3 ай бұрын

@Meerkat Only people allowed inside those cabinets are usually maint. or a tech/engineer of some sort. A normal worker likely still wouldn't shove their hand into a spinning fan.

Meerkat

3 ай бұрын

Did you ever have injuries? Like, that cucumber was obliterated.

MACattack123 | Matt C

3 ай бұрын

For those who don't know: VFD (should) mean Variable Frequency Drive. It's a type of motor driver.

It didn’t tear apart the case 😱 U didn’t have to bolt down the case 😱 Linus didn’t lose his fingers 😱 The case didn’t take off into space 😱 Great success ✅

SyyntaxError

3 ай бұрын

Linus didn’t drop the fan 😱

I think Alex might be one of if not my favorite co-hosts, I can't explain it, he's so chill but unhinged at the same time.

I bet this would solve the 4090’s power cable melting issue

Gianluca Daniele Di Maggio

Ай бұрын

@ZarikVarik The instructions are no help when the socket for the power is designed terribly with no proper feedback on whether it is in fully or not. It's a common complaint that there's no proper click for those cards and that it should've been angled JUST LIKE BEFORE

Gianluca Daniele Di Maggio

Ай бұрын

@David Garris Even better, not designing it like utter shit so you KNOW it's plugged in properly

Lillebrorsan Vincent

Ай бұрын

You are Scandinavian, I feel it. Sweden?

X Y

Ай бұрын

no... thermal resistance

And then is level 2: the industrial air compressors :) In one case of underground tunnel ventilation during the digging stage, one of them was mounted and started, by the time people realised it had an unfinished pipe outside which was turned towards the ground it already dig a 2 meters crater in the ground in just few minutes.

I wasn't expecting another janky cooling project from Alex so soon.

Jameson Hardcastle

5 ай бұрын

It reminds me of the LTT of old 🙂☺️

Gabriel

5 ай бұрын

@Qardo Are you upset that you will face consequences harming employees?

Calvin Jary

5 ай бұрын

Finally some practical tech tips from this channel

Dakoder II

5 ай бұрын

LTT needs a "Janky Projects by Alex" playlist.

nicholas walters

5 ай бұрын

need it for my future 4090

Hi Linus, those are widely used on outdoor telecom power systems cabinets to cool down high power 48VDC power supplies :D

I've used fans of this size for cooling PLC cabinets in industrial settings. It's in a manufacturing factory core area that usually has nobody working in it.

pleappleappleap

2 ай бұрын

@avisions Definitely yes.

BassBallin

2 ай бұрын

@avisions there noisy but you wouldn't need hearing protection, especially when they're in plc cabinets

avisions

2 ай бұрын

I’m assuming hearing protection areas?

Nick

3 ай бұрын

Yup, came here to say something similar. CNC machines i've worked on use similar fans on the electrical cabinets.

BassBallin

3 ай бұрын

came here to say the same thing

17:59 every 3dp is a double of pressure. For a doubling of volume as far as perception goes, you need 10db. Also, your eardrum is differentially sensitive to different frequencies. What could cause instant permanent damage at 1000hz(our most sensitive area) could be listened to for hours at a time at 30hz.

It would have been interesting to See one of these as an intake and one as exhaust

obliviouz

Ай бұрын

@Cybermarc I feel like turning your computer case into a vacuum might come with issues...

Cybermarc

3 ай бұрын

or both as an exhaust

From 8:25 to 9:43 must be the funniest segment of a ltt video in while. It always makes me laugh so much lol.

Study

3 ай бұрын

lmao true

Just a small correction, every +3dB is not doubling the "volume" but the energy. The feeling of sound volume doubles about every +10dB.

Things

Ай бұрын

@Антон technology

Dreadknight81

2 ай бұрын

🤓🤓🤓

Smoothbrain detainer

4 ай бұрын

@Erika S 🤡

Erika S

4 ай бұрын

@Smoothbrain detainer That's ok. Wasting time to people who don't want to learn from others is not for me. Good luck trying impressing other that you have a degree at all.

Smoothbrain detainer

4 ай бұрын

@Erika S I am, but I doubt you are if you seriously think that.

When I was still in the navy, we used similar fans to cool the electronics in the radar system I worked on. we had about three fans per cabinet and about ten cabinets in a single space. It got extremely loud to the point that you had to have hearing pro even when the cabinets were shut.

I have never laughed so much on a Linus Tech Video like this one! Excellent chemistry between the both of you! This is absolute GOLD!!! BRAVO!!!

Blockistium

4 ай бұрын

Alex might be one of if not my favorite co-host

Alex is so funny...he does something jank, he's very aware that its extremely jank and he prefers it to doing it properly lmao

Imagine using a radiator with those fans, computers water cooled with said fans and radiators, sound proofing the room and have a dedicated office to blowy-matrons and computers. Expensive, I know… but cool idea

Piece of Schmidt Gamer

Ай бұрын

@Ivan Grgurina There's only one way to know for sure!

Ivan Grgurina

2 ай бұрын

I think they might stop the normal flow of water in the radiator.

LTT I love all the videos I get to watch of yours... I built my 1st PC with linus' help and it's so awesome to see you guys with a big budget and doing all the things you want. I love the content, I wish you all good luck on whatever you set out to do.

Alex is right about the use case. These massive, ultra-high-flow fans are often used for circulation in server rooms. When I used to work at Dell, they had alternating sets of these ducts bringing fresh, cold air into the cold aisles and evacuating hot air from the hot aisles. They were so effective at cooling that people would go on walks around the local lake during their lunch breaks, then stand in the cold aisle directly in front of one of the ducts for a few minutes to cool/dry off before going back to work.

Mark S.

2 ай бұрын

@G L earpro is pretty much a requirement. Most data centers have earplug dispensers and/or muffs by the door.

Mark S.

2 ай бұрын

@StarekS You use them in conjunction with industrial air conditioners. The fans blowing are placed either at the end of ductwork that goes to industrial chiller evaporators, or they’re mounted directly on remote evaporators. When you’ve got a room with hundreds of racks, each with dozens of servers in them, simply having a series of ducts up by the ceiling like you’d see in a store isn’t going to be enough. The air needs to be forcefully circulated in order to keep everything in each rack cool.

G L

4 ай бұрын

And you guys still have your hearing?

StarekS

5 ай бұрын

Isn't that what's AirCon is for ? Why would you invest 500 dollars into a single fan, where you can buy whole AirCon system for 1000 ? This doesn't make sense.

Mijc Osis

5 ай бұрын

@ipwnage23 48V is a really common voltage for data center power distribution - Facebook and Google among others have switched to it. Its JUST below the 'legal deadly' 50V where you need an electrician to do work ;)

In the Navy we had fans like these (Smaller model) that we would put on the back of our electronic equipment while they were pulled out and we were doing maintenance. Also, as I think someone else had said, the bigger ones are used in equipment enclosures.

Being in industrial maintenance I can't help but laugh at Linus being nervous about the boost converter.

I REALLY want to see these mounted to the top of the no moving parts passive radiator pc. I mean the thermals would be insane. Also, mounting these to a few radiators.

Lmao, i just love those well thought solutions from Linus and Alex. So much fun to watch

we use those fans in MCC's and in PLC panels. Ive actually taken a few from work to use as ventilation fans for my shop. Going on two years with them in the elements plus the 10 years they were in service at a Water Booster Station. The are great for cooling off Soft starters and VFDS

I used to work at a company making these for military and aerospace applications. We made them to cool everything from electronics racks on military planes to the brakes of commercial airlines.

Chandler Holm

3 ай бұрын

@GrimFanDango 🤓

Lee Bordo

5 ай бұрын

@Verified Staff ik mine was too 😩😩😩

Verified Staff

5 ай бұрын

@Lee Bordo Firstly, he said “until I saw the Nazi Swastika.” implying that it's bad, and about fat, many nutritionists in my country refer to being obese as kind of a disease, and I believe that, so I cannot answer that question because I don't think “fatphobic” is a thing. And also... my comment was a joke!

siffoine

5 ай бұрын

Fun fact: Boeing 777 would be completely silent without these

I think they are used to move hot air into a water-cooling system in a server room, using water to remove the heat from the room. They are much like the ones I have seen arround.

These fans are also typically used in TELCO switch and outside cabinet cooling as telco equipment runs on 48v DC plant. Also, you might have been able to get adjustable DC rectifiers for less than $900 that would have been easily able to power these fans.

My favorite part? Linus: "You couldn't just get a variable power supply?" Alex: "Sure, but it would cost $800." Linus: "How much were these?" Alex: "About 50 bucks." Linus: "I'm not sure which is scarier..." I quite literally fell out of my chair laughing...

Imagine what would happen if every part of a pc takes this much wattage

They'd be really useful for electrical cabinets that carry a lot of VFDs.

U r right, these are mainly used to move cold air from row coolers to other side of the room. Installed in a cylindrical frame, works like a jet turbine on airplanes. Btw, I am delta electronics employee, every time u features a delta product, I smile.

ΞΝCΞLΛDUS

4 ай бұрын

@Thomas Larsen 1) most fuel tanks are self sealing. 2) jet turbines are driven by the expanding gases from burning fuel and high pressure air. The turbines then drive the *compressor* that allows more energy to be extracted when burning the fuel by compressing the air in the combustion chamber. Higher pressure air means more volume once it heats up and expands. What OP was referring to was ducted fans, which also increase the pressure of the outflow through the duct. It's more akin to a jet turbine with the turbine replaced with a motor and no combustion chamber or fuel. Just a high pressure fan

Potatopotatopotatopotatopotatopotato POTATOPOTATO

5 ай бұрын

Except when it comes to the Steam Deck. Whatever you guys did to that fan was nothing but atrocious.

Robert Jušić

5 ай бұрын

If you have a server room usually you wont/cant install a huge opening just for fans because that takes planing and a lot of money, but making 30 cm holes in the wall is pretty easy by every contractor out there. So this thing makes sense in that way.

Thomas Larsen

5 ай бұрын

Linus said it start to produce power at faster speed? So a jetturbine dont need fuel? Many believe they lie about the fuel consumtion of jet turbines because its so high numbers, and when a wing is damaged, there is no fuel pouring out etc

Daniel Wilson

5 ай бұрын

@Talking Mudcrab Was it a filling machine, or was it secretly a rinsing machine?

Alex is getting on my level of let’s try it and see what happens.

This is pretty much an industrial grade fan in a pc, I love it. edit: I miss seeing Alex in videos.

We typically use these for electrical panel fans. It’s not uncommon to have a 5’x7’ panel with up to 20-30 variable frequency drives, PLCs, SCR heater controllers, 480v contactors, and layer 3 switches. All running in an industrial facility that may see temps up to 95°F in the summer.

This was such a great episode, loved it!

That power supply isn't nearly as dodgy as Linus thinks. It's pretty standard for a boost converter, they're meant to be installed inside projects, hence the lack of enclosure.

Stinky Cheese

2 ай бұрын

@NavyDood21 It's not standard at all. Normally if you want your fans to get 48V, you use a 110V/220V AC to 48V DC power supply, not buck down to a lower 24VDC then boost back up to 48V. It more than doubles the inefficiency losses. Such a PSU is not cheap, but nowhere near the (what was it? $800 or $900?) cost stated in the video, if already willing to accept mediocre quality as they did with the boost converter.

Stinky Cheese

2 ай бұрын

It is dodgy, because made with cheap chinese components, including the tiny little potentiometer, to power something that expensive. Plus remember in the video, running within ratings it was running so hot, not what you want powering fans to cool something even more expensive.

Pity my cat

2 ай бұрын

@Mokuba Kaiba Linus is not an engineer, Alex is

LtdJorge

5 ай бұрын

​@TDATA motherboards are 12V ATX.

LtdJorge

5 ай бұрын

​@Andrew N inefficiency of 2 PSU and 2 converters, I guess.

I like that it is truly an egoboost to you guys to have the biggest fans in the interwebs 😀

I really like the "mess around and and find out" feel to these kind of builds

These are the videos I wait for. I am so glad to see Alex being in Linus' shoes.

I had something similar with 12v 1,5A fans installed in my pc. Controlled them via diy fan-control. Did its job more than good cooling, from 70° to 50° while gaming 😂

48V (minus 48V to be specific) is used a lot for telco equipment power, and these type of fans are used in the base stations as well.

So, adding 1200W of fans increases cooling performance. Got it!

ruediix

5 ай бұрын

They should find a heat sink big enough to slap one of those fans on.

Dave Nordquist

5 ай бұрын

Of course 1200 W of fans in a room whose ventilation isn't enhanced starts throttling bigtime around hour 3.

4nlimited3dition

5 ай бұрын

1200W space heater.

Creations Maxo

5 ай бұрын

@Alphax Either upgrade your wall or... find a way to plug into your neighbour's wall.

Kaerius

5 ай бұрын

@MarcoP Time to upgrade to a 16A 3-phase? 🤣

I have these on a power supply that is used to bring a 200MW turbine generator up to speed. It has some impressive SCRs to create a Load Commutator Inverter to accelerate the turbine to 3450 RPM from 0 RPM.

I wonder how cool your pc would get if you put this fan on top of a passive cooling case. How close to ambient temperature do you think the cpu would be?

You actually need to spin the fan backwards to turn it into a generator. However, that could happen with so much airflow. Diodes also have a limit to how much reverse current they can handle before they reach breakdown voltage.

I wonder if these ever got so strong inside the case that they actually caused the CPU heatsink to deflect out of place.

Probably the best fans to use on a high performance water cooling system used for multiple servers! :)

Whoever did the sound for this video deserves some recognition

gh057d0g

5 ай бұрын

facts

Felix Wong

5 ай бұрын

Sound editor: "Man the noisefloor for this video is ridonculous" *Linus stands directly downwind to share important comment* Sound editor: (╯°□°)╯︵ ┻━┻

Salad Greens

5 ай бұрын

That would either be Hoffman or Oliver I think? You know that they have credits at the end of the videos btw.

I work at pallet factory building pallets and some of our automated machines have almost identical albeit slightly smaller fans cooling their electronics and hydraulic systems. They have one on the back of a hydraulic oil cooler, one on the side of a giant metal box that contains all of the electronics and another one on top of the electric motor shroud that pumps the hydraulic fluid..... 👍 The one used on the hydraulic oil cooler might be the exact same size fan as you guys have.

We also use fans like these in Ship Server Systems that need to be on at all times in a full metal case in the middle of the ocean where the heat is really hard to dissipate.

I'm a cinema operator we used to use 2 of these bad boys in our old xenon arc lamp projector. Because working temps on those old projectors were quite strict we used to use 2 inside chase of projector and then another fan that was even bigger to suck air out of the room. We could heat our auditorium that can hold to ~500 people with that projector until late October early November without ever turning up the actual heaters there.

When I’m depressed and fed up with life. I can count on Linus and his random, fun and interesting videos to cheer me up.

Metal Head-

29 күн бұрын

mlmlmlm

Boy do I love working with those fans, they are used in many applications. They can be used in server rooms, server complex power supply stations (the EBS (Emergency Backup System), the inverters used can use IGBT H-Bridge stages due to the very large power required which get very hot, the charging systems, PDU drivers and such. They also can be used in other large power supplies. I am getting 4 for my 900 volt 400 amp power supply. Excellent video lol.

Love how they introduced Alex to the channel as an expert "engineer". 🤣

user

5 ай бұрын

@Ψ he said it in one of the videos himself, where they have been at his home doing some weird stuff

Sketch1994

5 ай бұрын

He is a Mechanical Engineer like me and we MEs have a big hard on for heat and fans and pumps. It's actually to a traumatizing degree* *Studying ME Trivia: After the Hydrodynamic Machines exams (the one about fans, pumps, pipelines, tanks, etc, and it comes after Fluid Mechanics 1 & 2) I had a severely messed up nightmare where I was in a sinking ship, and ended coming up with Toricelli's theorem independently (that I had never heard of or ever seen similar themed problems) cause in my dream I thought that instead of just going to a life boat I had to calculate how long it would take for the ship to sink, based on the surface area of the hole it was leaking from, and it's changing depth due to sinking (as well as the increasing speed of sinking)...I had written down the whole proof of the theorem (minus some lines of actual solving thankfully) before I woke up...Go figure!

Ψ

5 ай бұрын

@lusteraliaszero it's been mentioned before that he didn't finish his engineering degree and that he dropped out of school

user

5 ай бұрын

@lusteraliaszero no he didnt finish his studies

Joshua Cheng

5 ай бұрын

A "janky abomination" is an ideal idea of an experiment of many engineers

We use 8x similar AC Delta fans inside each shorepower converter on the yacht I work on. They're pretty much fridge size power converters that can take single or 3 phase 208-1000v 50 or 60hz input and convert it to 480v 60hz 3 phase when we're on the dock anywhere in the world.

Hahaha! That's such a practical fan! I can imagine the raid leader's face when he's trying to talk to the tank, and the tank has 2 of these on his PC case!

In regards to a practical usage for these kinds of fans. I worked with green coffee bean storage at a coffee roaster. Ideal conditions being like 60°f and 60% humidity or something ballpark. We also wanted to move air to keep pooling humidity and condensation during winter. I could see these kinds of fans being excellent in a small footprint building or with bad exhaust allowance in smaller buildings. Especially if you needed to vent smoke from a small room or keep a positive pressure room to keep smoke out of your bean storage. But I don't know if this specific kind of fan would be practical over the other options that I've seen. It does move a lot of air in a relatively small form factor (specifically in regards to commercial use). 600W may be the cost break point for this solution. A commercial 16 inch fan from home depot that costs 100$, and pushes 1600 CFM at 1.6amps at US wall current; or about 190 watts. Would be more cost effective in most practical situations.

I've had to buy fans like this before. Making electrical cabinets for industrial control applcations, stuff gets hot sometimes. Usually it's VFDs or any motor control devices that generate a lot of heat. I work as a panel desinger for a machine builder.

This waterproof shoes actually look really nice, might have to try em for my next pair

Delta: "Have you ever seen a PC fan more powerful than the blowiematron?" Me: "No" Delta " *Would you like to* ?"

Topet Hermohenes

5 ай бұрын

I really do wish they try aircraft extract fans capable of over 9000W 😂

Daniel Marcus

5 ай бұрын

@Frost Oh, they were the loud ones! I guess at least they're reliable!

Frost

5 ай бұрын

@Daniel Marcus They used to: their fans quickly became known by Deckers as "the loud fan" and the complaints were such that Valve stopped buying them and started using only the Huaying fan ("the quiet fan").

Daniel Marcus

5 ай бұрын

@Robert Garrett The Steam Deck as well, IIRC.

Robert Garrett

5 ай бұрын

Delta make all the server fans for the dell rack mounts.

those fans could be used in venthoods, or maybe even for air cooling a server room (outside air, filtered)

I do fire alarm inspections, and I've seen fans similar to this in bell mts buildings for their giant equipment rooms for cell phone and internet shit, the air flow is wild in these rooms

I used those cheap converters all the time (I work in telecom) they’re fine and work great.

We use them in high power transmitter cabinets for broadcast systems. Typically, one is an intake at the bottom and one is an outtake at the top.

Hey Linus, we have a few of these fans cooling giant heatsinks on the back of two dedicated VFD cabinets. Each cabinet drives a 600 HP motor for a plastic extruder. It's easy to tell if someone accidentally left a cabinet on after shutdown because you can hear them half way across the plant. A regular PM is cleaning the heatsinks from the amount of dust and debris these fans draw up from the ground.

Hello Linus Ive used these professionally. In my use case it was positive pressure of a mountaintop radio base-station. The reason for this was to keep the elements out of the base station. They are super loud when you run about 20 intake fans. Love your content guys!

User 2C47

5 ай бұрын

@Simon Dowsett The same way you get the rest of the equipment up there. Also, I was thinking more of a centrifugal blower like you find in HVAC systems, than a giant axial fan.

xeonicfront

5 ай бұрын

@T M I suspect you'd want to fab some sort of air filter for this, and change it regularly. In communications hut mountings they are usually paired with a set of louvers(either gravity/magnetic closure/pressure operated or occasionally electrically driven and run off the same thermostat via relay) with a track for install of common air filter trays. Semi-related I used one of the old vantec tornadoes on a small business server in a closet years ago and it pushed a crapton of dust and airborne debris into that case(sole intake fan). That setup didn't last long because the office workers complained about hearing its' keening wail distinctly through the walls. I want to say that fan was rated at something like 60dbA.

Simon Dowsett

5 ай бұрын

@User 2C47 How do you get a large fan on top of a mountain?

Tiporari

5 ай бұрын

These are also used for clean rooms, creating positive pressure, evacuating gasses, you name it. Being brushless means they don't spark which makes them safer in potentially explosive atmospheres.

T M

5 ай бұрын

@xeonicfront sound alike these would make for a dusty computer.

This fan is just fantastic for refrigeration systems like in air cooled condensers.

I work in the chemical industry as an electrician, we have similar, though not quite as powerful, fans above all of our switching cabinets, where our PLC's and stuff life inside. They are mainly used to draw the hot air outside, since the cabinets are bottom open, and the floor is usually doubled up for all the thick wiring, where it’s also a lot cooler. There’s also climatization, which cools the lower floor.

I work in semiconductor and we use those fans on the top of instrumentation cages to move air from the bottom all the way to the top of an enclosed 6ft tall rack of instruments. They're monsters!

I use a server fan to cool myself during summer, but i use a 12W power supply, not a freaking reactor, and even that has like 10 stickers on it about cutting off fingers. Also i once made an almost identical boost converter from scrap using a blowtorch instead of a soldering iron (didn't have one) and it's funny how much linus is scared of it.

I've seen some carrier network equipment use crazy powerful fans like these. You almost need to hold onto the rack when working in the back!

This is what I like about this channel. They do things that some of us want to, most of us won't, few of us actually can. The ones that can, just won't.

Mikko Rantalainen

5 ай бұрын

I just hope they would default to wearing eye protection and hearing protection for projects like this. Lead by an example.

lasarousi

5 ай бұрын

"they were so preoccupied whether or not they could do it, they never stopped to think if they should"

Random 4400

5 ай бұрын

exactly, a normal user would never pay 450+$ on pc fans even if they could afford it

mike listeral

5 ай бұрын

i have 3 of these on my new 4090 OC edition

We used these fans on the testing ovens and the 256 site testing computers in memory manufacturing. They are not as loud as you would think, and you get used to the noise and wind after a few days.

we use a 172mm fan very similar to that in one of our instruments we make. A Keithley model 4200A. We use it to cool our internal instrument cards that are in a PCI back plane with 10 slots each with a 200 ish watt instrument.

I laughed so much during this episode :D so fun !

I just wanna see these in a 1000d case or similar so you could have space for anorher power supply for the fans, then do the cpu heatsink mod for the graphics card and then go for the air cooled record for everything

Linus, NASA called, they're asking for the rocket engine back.

These are my favorite types of LTT videos. I love when it's a few nerdy people just seeing how crazy they can get with random tech they find.

Groza

5 ай бұрын

Alex and his jank

Justin Salazar

5 ай бұрын

100% agree

Carlos Vasquez

5 ай бұрын

@TheHammerGuy Plays also ac cooler was mad

Sun 🇺🇦

5 ай бұрын

Yea

TheHammerGuy Plays

5 ай бұрын

uhm, mad scientists??? LTT engineers are literally mad scientists for PC stuff Sketchy DIY heat sinks Frankensteined Chillers DIY Thermal pastes Mismatched RAM kits Shunt-modded GPUs These are things mere mortals wouldn't dare even try to keep their sanity intact.

I used to had a pair of something simlar (those you used to put it on top of the HIFI AMP that to cool the AMP down) mounted at the side of the casing blowing air directly onto the CPU and the GPU. the only problem these fan runs on AC instead of DC, and they are just way better than the usual casing fan.

This has to be one of the top funniest episodes to date. It would be great if you could compile all the funniest videos into one or two videos.

That was a really authentic video from you guys, man good job!!

14:35 They are used in large variable frequency drives to cool the heatsink for the IGBTs. I have 3 (though not Delta branded) from a scrapped WEG 250kw drive. Mine need at least 40v to spin up and I have not come up with a legitimate use for them yet, just fun to have.

I have seen them in transport scervers in telecounication centrals. They are in a configuration of 4 blowing from the bottom and up throughout the vertical scercetboards. 48 volt is the standard voltage for all Telecom equipment. They have one UPS system for mostly all the racks.

Can you imagine a 6 fan push and pull configuration on a 420mm radiator connected to a liquid cooled 4090? We're gonna need these fans for the future rtx 9090.

"That was honestly terrifying" Concerned Linus: "Yeah" "Do you want to see how fast it can go?" Concerned Linus: "Yeah"

NolanDoesStuff

5 ай бұрын

concerned Linus and curious Linus

Hammad Mithani

5 ай бұрын

Best part of the video 😂

something u should test is lining up multiple PCs with no fans and just having the front one with 2 of these in the front to see how many it can cool in a chain given how much airflow came out the back of the case

Industrial use in large cabinets, these things are often called muffin fans, and accompanied by filter kits and louvres

The wind up whir when they first start the fan was sooo perfect. Just more, more, more, more lmao

Best episode ever! Laughed my ass off. :D oh, and welcome to industrial products. They're great to use, but they don't give you any leeway (or safety backups) at all.

Those remind me of a server rack fan I found about 22 years ago, but it’s 16” and run off 120. I mounted it to a piece of plywood and made it into a window fan lol

The reason it takes a while to spin up is to avoid large current surges. Smaller Delta fans behave like this as well. A motor like this could take upwards of 25A spinning up from 0 if it wasn't for the soft start. Don't worry, these have plenty of torque.

jolioding _

5 ай бұрын

yea many older but also a few newer angle grinders will blow fuses if they don't have like 30-50 Meters of extra cable running from the outlet to the grinder. And they operate at roughly the same power usage. though there are those that go way higher.

Friday Californiaa

5 ай бұрын

Let me guess, it has a positive temp coefficient resistor ?

imagine having these mounted outside on a cold winter day and having a baffle carry the insanely cool stream of air into the house and directly over the CPU lol

it's funny how the guys (more like only Linus) are exploring the usual business and controlling world beyond the usual prosumer hardware :D I like that!

I am using the Noctua fan. But this one in the video is insane. I wish to try one.