PC Fan Engineering, Noise, & GPU Coil Whine | Engineering Discussion ft. NVIDIA

Рет қаралды 177,522

Күн бұрын

Sponsor: DeepCool Assassin IV CPU Cooler on Amazon - geni.us/a0Zx
In this next addition to our engineering deep-dive series, we talk with Malcolm Gutenburg, a thermal engineer at NVIDIA (and formerly Intel). This video goes deep with acoustics engineering as it relates to thermal design, so we talk about finding and identifying coil whine with lasers, fan blade design and engineering, critical bands and one-third octave bands for data presentation, and tone-to-noise prominence ratio. The discussion also gets into psychoacoustics and the structure of the inner ear.
Watch our engineering interview with Noctua previously! • The Forbidden Noctua I...
Watch our video cutting the RTX 4090 cooler in half previously, also ft. Malcolm! • Cutting an NVIDIA RTX ...
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TIMESTAMPS
00:00 - The Science of Fan Noise Engineering
02:23 - Lasers for Coil Whine Noise
05:00 - Measurement Equipment & Software
05:51 - The Acoustic Chamber
06:28 - Why Use a Hemi-Anechoic Chamber
07:23 - Fan Blade Engineering
09:11 - Angle of Attack, Blade Count
12:10 - Hub Size Engineering
13:52 - Stall Region Whiteboard
19:03 - Test Setup & Microphones
23:28 - "Below 0dB" Explained & Fully Anechoic
27:43 - Extremely Technical Acoustic Discussion
31:03 - Psychoacoustics & Ear Structure
34:33 - Ray Tracing Sound in Engineering
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Steve Burke: Host, Video Editing
Vitalii Makhnovets: Camera, Editing
Guest: Malcolm Gutenburg, Thermal Engineer at NVIDIA

Пікірлер: 763

@GamersNexus Ай бұрын

Our next installment in our engineering interview series we've been doing this year! These have been crazy educational - can't wait to do more! I have no idea how this video will perform since it's tough to title with all the topics, but it's such a great technical discussion that we're hoping people see it. If this interests you, you'd definitely like our engineering interview with Noctua previously! kzfaq.info/get/bejne/bph8jc6Y0bTNgWQ.html We self-fund all our travel for these events to retain full control over the reporting process! To help support our next engineering interviews, grab a GN Modmat, Soldering Mat, or shirt here! store.gamersnexus.net/ Or watch our video cutting the RTX 4090 cooler in half previously, also ft. Malcolm! kzfaq.info/get/bejne/nZqce8qEsqjKaGQ.html

@ericb7937 Ай бұрын

Does temperature effect acoustic properties/performance of the fan ? This is so interesting. Thank you so much!

@henrythegreatamerican8136 Ай бұрын

Do we really need engineering knowledge to understand a fan sucks in the warm air from the computer and blows it outward?

@MaesterAnon Ай бұрын

You need to get an EU store / HQ / Warehouse , so people are paying 100$ for a 50$ product as an example, import fees from American stores are huge. And before anyone comments, BUT murica, yes you're a small country compared to all of Europe where we match Murica by 2½ times the population and have way more spending capital, so any american company that wants to super thrive needs to have a EU warehouse.

@ShadySKWASHA Ай бұрын

These are awesome! Makes me glad to help out on Patreon and buying shirts! I've learned a lot and I wish as a recent mechanical engineering grad whos into thermal related stuff, that I could get a job as cool as Malcolm

@blackrifle6736 Ай бұрын

@@MaesterAnon *Agreed. I hope Steve sees this and seriously considers your suggestion.*

@jenrosejenrose7417 Ай бұрын

I really like the "find nerd, get them to infodump" format. Especially helpful that you've found people who can really articulate what's going on at a level us mere plebs can understand.

@Nostalgia_Realm Ай бұрын

They should really call this series: Nerd Infodumps 🤓

@PanderingSlats Ай бұрын

I think you made a great observation- like they said in the preamble, he did not dumb it down, but with technical discussions there are ways to explain complex topics more eloquently/easy to digest than others, and GN has a really good eye for experts who know how to tow that line.

@grievesy83 Ай бұрын

@@PanderingSlats It's considered a demonstration of how well someone understands the topic - the better you understand a thing, the easier it is to explain to someone with no understanding. Malcolm does this very, very well.

@RepChris Ай бұрын

@@grievesy83 the only exception is monads, as soon as you understand them you loose all ability to explain them to anybody else, to paraphrase douglas crockford. - There are two types of ways people usually try to explain it, something along the lines of saying its like a burrito (which is entirely useless beyond saying it "wraps" something), or the classic "a monad is a monoid in the category of endofunctors" (which is only useful if you know what each of those words means, at which point you already know what a monad is. imho the classic "a tensor is something that transforms like a tensor" is more helpful than that for a person unfamiliar with the topic)

@mc88dx Ай бұрын

We appreciate the deep dives in engineering education. Even Greg.

@GamersNexus Ай бұрын

Ah, yes. Classic Greg comment on the CPUs. Immortalized.

@50shadesofmycow Ай бұрын

@@GamersNexuswait what, could someone please clue me in? 😂

@kuronosan Ай бұрын

@@50shadesofmycow Greg likes to make bets

@FirestormX9 Ай бұрын

@@50shadesofmycowGreg is the most powerful CPU ever.

@mc88dx Ай бұрын

@@50shadesofmycow Watch this GN video and Greg is mentioned in the 1st minute. ""NOT ENOUGH SAMPLES" - Benchmark of CPU Sample Size ft. 68 CPUs, HUB, & Der8auer"

@JinsooJinsoo Ай бұрын

Damn the thermal engineer is so good on camera

@GamersNexus Ай бұрын

It's been great that these companies are finally trusting their engineers to do camera-facing interviews!

@brucepreston3927 Ай бұрын

I have been very suprised by how much the engineers from several of the big companies have been able to go on camera lately! It really is great to see...@@GamersNexus

@AidanNaut0 Ай бұрын

that little bit of soft-skills and media training can go a long way

@TheChzoronzon Ай бұрын

Nice chap, but I think he assumes to much knowledge on the viewer, Steve had to slow down him a bunch of times... the nerd curse

@brucepreston3927 Ай бұрын

@@TheChzoronzon I think he did a pretty good job considering the amount of time he had, but I may feel that way because I already had some cursory knowledge on the topic...

@cipherbenchmarks Ай бұрын

He seems really passionate about his work which is always nice to see.

@trickm0nkey Ай бұрын

His passion really helps me learn. Sounds silly but somehow he makes me excited about fan pressure comparisons

@metallurgico Ай бұрын

everyone is passionate about getting paid

@stauntssantana Ай бұрын

@@metallurgicoThere's an obvious difference between someone genuinely passionate and someone who does it only for money. Please contain your autism.

@ChrispyNut Ай бұрын

This isn't his work though. He said it at the end, I really enjoy talking about this stuff. I would expect his actual work to be really quite tedious and boring. I'm sure he doesn't mind that too much, because it's within a field he is interested in and passionate about engineering, whilst also having times that are great. Am I being pedantic, sure, but I think the distinction is important. He has the makings of a great university professor though, passionate when speaking about stuff, probably enjoys teaching and has potential to be a great communicator.

@ZinoAmare Ай бұрын

@@metallurgico There are a lot of people hating their work though, he is full of energy just to talk about this.

@sidlives2672 Ай бұрын

These deep technical discussions are the best type of content.

@Connor-ff2ge Ай бұрын

Agreed!

@v3xx3r Ай бұрын

i appreciate the "not dumbing it down" more that you know. thanks.

@saltee_crcker2363 Ай бұрын

*than ..r/irony

@gopnikolai7483 Ай бұрын

@@saltee_crcker2363 Everyone bow down before the Big Shot himself. Guy typed a single typo and you scramble to get on your high horse lmao

@v3xx3r Ай бұрын

@@saltee_crcker2363 you got me I'm never gonna recover from this.

@MegaUltraMario Ай бұрын

@@saltee_crcker2363 Your Reddit gold, good sir

@JourneysADRIFT Ай бұрын

@@saltee_crcker2363😂🤓🤡

@somewhatofaprofessional7940 Ай бұрын

You know you're talking to the right guy, when they are ear-to-ear grinning the entire time with excitement. Shout out to Malcolm, dude. I understand the individual references he's making when explaining things, but I know that what he's saying has 3-8 deeper layers internally. And that just makes me enjoy this entire thing even more. Malcolm is "That" dude.

@mastermind6000 Ай бұрын

when you hyper-nerd about something and you get a chance to tell someone else ALL the shit you know it's a rare opportunity!

@CindersTV Ай бұрын

So interesting. If you roll down only one window in a car, you can hear the modulation caused from the backflow of pressure, which can be painful when driving at high speeds. If you roll down another window, it creates a pass through, which reduces the backflow of pressure and the modulation.

@Wootguy238 Ай бұрын

I do be hurting my ear holes

@SalemTechsperts Ай бұрын

Man, Gamers Nexus is quite literally The Greatest Tech Channel That's Ever Lived. I can't imagine the effort involved in these deep-dives, and I truly appreciate what Steve and crew do for this community. Seriously admirable.

@TigonIII Ай бұрын

I would have liked to know more about how swamp gooch affects fan performance and noise. 😉😂

@klauserwin9860 Ай бұрын

Those are some truly honorable words from the Greatest Technician That's Ever Lived!

@techwandoUS Ай бұрын

Malcolm is back... with lazers & puppies 😊 im in...

@jeffreypaul9428 Ай бұрын

Steve once again educating us through the power of science and friendship.

@stefanschuchardt5734 Ай бұрын

...and love ❤ and beauty 🧚‍♀️and kittens 🐈and bunny's 🐇

@alexk.7250 Ай бұрын

What about the doggie? I mean the acoustic highly specialized technician

@HanSolo__ Ай бұрын

This entire team works on making cards cheaper to manufacture with as little loss in standards as possible. Its not about making things better.

@Humanaut. Ай бұрын

@@HanSolo__making things cheaper without loss of quality IS making things better. Effectively that means you can get better cards at your price point.

@Vizyouall Ай бұрын

He sounds very knowledgeable with zero arrogance. He knows how to speak.

@ZykopathOfficial Ай бұрын

My younger self wouldn't have imagined my future self being so interested in a 38-minute video about fan noise, I guess I'm officially a nerd now!

@user-dx5tu6yz7t Ай бұрын

more videos/series like this PLEASE

@LeoDavidson Ай бұрын

Thank you for raising the tone, quality and audience respect on KZfaq when so many channels head in the opposite direction.

@jihadalsweed Ай бұрын

so true

@craigprall9636 Ай бұрын

I see what you did there.

@arthurcuesta6041 Ай бұрын

Good that Gamers Nexus is becoming so prominent. Most techtubers are as deep as a puddle, so seeing you guys succeed makes me happy. Btw: the special technician is adorable. Does it hate coil whine too?

@hossosplitternacken7819 Ай бұрын

Most people don't know, coil whine is actually the screaming of poor souls straight out of the pits of hell, which Nvidia swallowed with its 4000 and 3000 series of overpriced trashscam graphics cards

@alphacentaurivenus8037 Ай бұрын

@@hossosplitternacken7819 3070 and 4090 both used them, they don't have coil whine

@Nearest_Neighbor Ай бұрын

I love when the sound engineer says "you can SEE, it's a lot less echo in here."

@fabrb26 Ай бұрын

Here we say, open your eyes and listen how good it smell

@SnakebitSTI Ай бұрын

"See" can mean "observe", "infer", and several other things not specific to sight. Language is weird like that.

@martinkrauser4029 Ай бұрын

hah. Good one. I hear what you are saying.

@wertyuiopasd6281 Ай бұрын

Senses function with each other, no brainer language would "show" this as well.

@AusSkiller Ай бұрын

I love that the industry is becoming more open to the media like this. It certainly makes me more inclined to buy products from companies that allow content like this to be made.

@Frigobar_Ranamelonico Ай бұрын

Agreed, that's the marketing I want. Also, like in most of the products we buy, it helps to realise how much work and complexity are behind them

@watercannonscollaboration2281 Ай бұрын

Malcolm’s back, not trying to discount the other peeps, but as a SDE I it’s great to see a more rank-and-file engineer instead of the principals

@fitztech Ай бұрын

This guy is clearly extremely knowledgeable in his field and appears to be quite young. Hopefully nvidia realizes how valuable someone like this is to have on their team. Good job Malcolm.

@cppctek Ай бұрын

As an audiophile and someone who obsesses over finding the perfect thermal solutions for every device I’ve put my hands on, this was truly one of if not the most fascinating and entertaining video I’ve seen in a long time. That guys an INCREDIBLE speaker and teacher. I was hooked in the entire time. All of it was so informative and easy to understand. This guy broke down everything perfectly! Thanks for covering this and sharing it. You guys are absolute legends ❤

@depression_daily Ай бұрын

My dude Malcolm. Good to see him back.

@Guru_1092 Ай бұрын

Nvidia still hasn't caught him! 😁

@maniau Ай бұрын

Lois hasn't caught him!*

@PrefoX Ай бұрын

Gutenberg is awesome (pretty famous german name, the guy who invented the Book print) what a nice guy, hope we gonna see more when the rtx 50 series comes out

@Equatis Ай бұрын

Malcom? My bad I thought Linus finally went through puberty.

@cwill2127 3 күн бұрын

@@Equatisdon’t insult him like that Jesus

@ElectricEvan Ай бұрын

Everything else about the ear was very insightful and approximately correct. However around 32:22 the inner ear doesn't act as an amplifier. There is only one active device in the ear and it's a muscle in the middle ear to act as an automatic gain control/mute for when the system is exposed to excessive sound pressure levels. It has the ability to add attenuation. - Signed Evan Foss engineer with +15 years in hearing research & electronics design.

@martinkrauser4029 Ай бұрын

ok hot shot but tell us. have you ever stretched out a cochlea

@ElectricEvan Ай бұрын

@@martinkrauser4029 no because you can't. The walls are not something you can separate like that. However I have helped people section them in a machine called a microtome. I was also the designer of an electronics package that let scientists measure sound pressure levels in the cochlea using fiber optics. The design for this is visible on GitHub if you doubt me.

@ElectricEvan Ай бұрын

The primary function of the middle ear is to match the impedance from air to water. In fish there is no middle ear, their hair cells are exposed in a structure called the latteral line on the sides of the animals body.

@PXAbstraction Ай бұрын

Few things I enjoy more than someone who is clearly passionate about what they do excitedly sharing their knowledge.

@u9Nails Ай бұрын

"Does it hurt you when someone manually adjusts their fan RPM?" @26:53 HAHAHA!! I loved that question Steve! It made me laugh too! Given all the years of education, engineered design, lab tests, iterations on product, and the goal to provide an optimal experience. Then, the end user just wipes their butt with that and goes full throttle because I'm uber uber leet and I need the fan noise picked up on my mic to tell everyone that I got mad skillz!

@RunedGolem1 Ай бұрын

As far as his response goes, he mentioned the stock curve being the best for the user listening experience. But, if sound isn't a factor for you (let's say if you have your computer in a different room than where you game) then you can just crank the fans up to max. Yes, you'd use slightly more power and probably decrease your fans' life span but you'd get better cooling.

@Wootguy238 Ай бұрын

What are you on about?

@MattTrevett Ай бұрын

Do we remember this engineer? We LOVE this guy. Malcolm is absolutely intelligent and a joy to hear speak.

@Laundry_Hamper Ай бұрын

(Hannibal from A-Team voice) I love it when a plan converges in a confluence

@Mom19 Ай бұрын

I love listening to these guys talk We need more tech talk with engineers Thanks Steve (and everyone involved)

@davidg5898 Ай бұрын

Malcolm is awesome. He's got a great combination of knowledge and enthusiasm. The perfect combination for explaining/teaching.

@BigMan7o0 Ай бұрын

I may not like Nvidia as a company, but the actual engineers behind it like Malcom and the rest of the team who actually DO the work the CEOs take credit for are awesome, I always love to hear from them instead of PR and shit

@jennymelo2098 Ай бұрын

Company heads always take the credit for everything... including the passion employees have... most company heads suck.

@Robbie-mw5uu Ай бұрын

Every company has people like him.

@elgonzo7239 Ай бұрын

Ah yeah, i fondly remember all them CEOs getting on stage, holding up the company's product(s) and proudly claim "I did this! I am the genius who did this!" Man, do i love KZfaq's comment section, it's never lacking in infantile BS potshots, lmao...

@BigMan7o0 Ай бұрын

@@elgonzo7239 Imagine having a boot so far down your throat you take issue with someone stating a fact about CEOs lmfao

@crazylego98 Ай бұрын

Wait you don't like rich people with fat egos??

@mapperize Ай бұрын

got recommended this and i love learning from videos such as these :) the actual psycho-acoustics for human perception of sound is so interesting to hear in situations such as these where there needs to be optimizations for everything

@LelandPD Ай бұрын

I just know that this interview is a major highlight for Malcolm. Look at how happy he is to talk about this stuff that he is entrenched in, and clearly passionate about. I think it was as good for him as it was for us 😂

@tarfeef_4268 Ай бұрын

Feels so weird seeing your friends/former coworkers on a KZfaq channel you watch. Glad to see you having fun Malcolm!

@LedNe0nDevil Ай бұрын

AMAZING KNOWLEDGE ACHIEVEMENT ACQUIRED. Thanks Malcolm and GN.

@kiplinght Ай бұрын

Awesome stuff, you don't see deep dives like this on many other tech channels. Malcolm is a great presenter too

@wlansky2718 Ай бұрын

Great content. Joined to see more.

@sumikomei Ай бұрын

I love this sort of engineering technical deep dive, and Malcolm's explanations of it all are wonderful. If I could like this video a thousand times, I would. Also really love the parallels with aircraft wings and stall characteristics, that's definitely a part of this that I'm personally very familiar with.

@Taorakis Ай бұрын

I love how much fun he has explaining all this, this is a guy who enjoys what he's doing!

@agentb4074 Ай бұрын

Malcolm! Great to see you on GN again! The information you provide, combined with your passion for your work, is a real joy to watch. 💚 (Also - I love your smile!) This was really interesting to me - especially the stuff about fan blades. It's awesome to learn how my video card is cooled, and why it is so quiet. But to be honest, I'm gonna have to watch that Stall Region segment again, because it kinda went over my head. Haha... And to GN: I love this type of content! More more more, please! :-D You manage to get really awesome guests. Malcom, TAP, Bill, and Amit are starting too feel like members of the GN family at this point.

@Daemione Ай бұрын

So refreshing to see content like this - Malcolm is clearly very happy to talk with someone as interested as he is in his craft.

@frantiseksram9741 Ай бұрын

This has got to be the best kind of content for the PC and Engineer nerds. More please

@BudgetGamer92 Ай бұрын

Damn Malcolm is a smart cookie! It's refreshing to see someone so young being passionate about something as complex as this. Good for him on achieving such a good career path and working for such a prominent company, I'm sure it wasn't easy, but well worth it in the long run! We welcome Malcolm back anytime!

@tuskybarn Ай бұрын

As someone who just put together a new computer and is trying to make it as acoustically pleasant as possible, this is a really cool and well timed video. Thanks Steve!!

@MTBScotland Ай бұрын

really enjoyed the explanation of the fan blades and malcolm's excitement. Really cool to see the physics employed in fan design.

@jfniv Ай бұрын

Engineers getting to talk about the engineering which they are passionate about is a great reminder to us that there are a LOT more folks involved in the creation of a product than just the "business facade" we're so often presented with

@brucepreston3927 Ай бұрын

I really like Malcolm, he seems very happy and competent at his job...This was a very intersting video! I have been loving these types of videos on the channel and I can't wait to see what's next!

@gasracing5000 Ай бұрын

0:30 I asked for a freaking shark with a lazer strapped to its head... and this is what you brought me? Is the animal vicious at least? Is his owner evil?

@aaronnakano7754 Ай бұрын

I work in an ENT office (and also have a bachelor's degree in psychology from a different time in my life) and deal with some of these topics on a routine basis. Can confirm much of what was said by the engineer, and i love the people (including malcom) and the content of this video! Great work as always GN!

@RealTrueBeast Ай бұрын

Genuinely love seeing someone know a lot about their field of work, I can really appreciate a person like that

@tomppeli. Ай бұрын

While talking about aerofoils, the width from the leading edge to the trailing edge of a wing is called chord. Talking about things with their given terms usually eliminates confusion that some might experience.

@jtland4842 Ай бұрын

This is so incredibly interesting and informative! The last video you did actually changed what type of engineering I am looking to go into. I could watch Malcolm talk for hours about this stuff. These kinds of videos makes me glad to have bought the GN coasters when they came out.

@burretploof Ай бұрын

These videos are really cool. Learning about how these products are built is awesome. And I love that the actual engineers from these companies come out to talk about their work. Really appreciate that.

@Condor_ Ай бұрын

This is what gets me excited about technology. Videos like this are a special commodity. Thanks to Steve and the team for content like this and especially to Malcolm for not holding back! His knowledge and enthusiasm for his work is always a delight.

@WayStedYou Ай бұрын

This seems like a good place to use "venjent - laser grave" as a backing track

@alexanderpopov3587 Ай бұрын

Thank you for this interview. It is awesome to hear two excited engineers talking about complex stuff and somehow make it understandable and very interesting!

@WorkThrowaway Ай бұрын

I appreciate how nice the audio is in this video, at least in the chamber. It's like podcast status.

@bits2646 Ай бұрын

Dude, your pick of engineers from all 3 "teams/camps" was stunning, loved that guy and his enthusiasm and subsequently deep knowledge, as well as AMD guys, I pretty much felt at home with those videos, and even I'm more of a hardware guy, especially OC/cooling, I also really loved the "Intel dude" and his contribution about arc arch and hw/driver/pipelining topics, love that actual usefull knowledge and not just stats rambling so that punchy title can be used and video heavily monetized...

@Warma99 Ай бұрын

Excellent video. Really loved hearing everything in so much detail without being dumbed down. It's a pleasure to watch when your guest is as knowledgeable as Malcolm. I hope to see more of this type of content regularly. Maybe with a RAM manufacturer like Corsair, Gskill etc and what they do with the memory chips after and before assembly.

@omgitsbenhayes Ай бұрын

These engineering discussions are masterclasses of content. Educational, entertaining, and must watches for me.

@spinnie0 Ай бұрын

I'm really impressed by the range of topics this guy can talk about in detail off the top of his head! So many areas of engineering involved in this discussion.

@StuPhee Ай бұрын

Thermodynamics is basically how you hear but with fuck loads of mathematics.

@Petch85 Ай бұрын

As a mechanical engineer I love these videos. More whiteboard please, it just feels like home. 🥰

@crabapple1974 Ай бұрын

Really enjoyed this discussion. Made me understand the intricacies of fans a lot more. I like these videos that are on a level that don’t lose too much information by beeing simplified.

@Wootguy238 Ай бұрын

Losing*

@crabapple1974 Ай бұрын

@@Wootguy238 You are correct! :D Changing the eyesore.

@_ryju_ Ай бұрын

I liked Steve's question about how the two different types of flow would look like!

@E_Sunbro Ай бұрын

Malcolm is wicked smart for such a young man. Amazing.

@TheAmazingCowpig Ай бұрын

Oh yeah, tech deep dives with actual engineering. So glad GN has found an unfilled niche of content to blow wide open. First 1/3 of the video was basically fluid dynamics and I am totally here for it!

@SHINYREDBULLETS Ай бұрын

You can tell that Malcolm knows his shit and loves his job. Really love seeing passionate people explain stuff that's way, way over my head ;D

@mhnoni 10 күн бұрын

Can't believe this is free to watch. what a time to be alive.

@soapstone420 Ай бұрын

this was the quickest 40mins I've experienced in a while 😁 thanks for the deep-dive, Steve!

@kornydad14 Ай бұрын

Fascinating talk. As an Aerospace engineer how also focuses on fan and cooling product design it was a very interesting conversation and Malcom explained everything very well.

@cs_mns Ай бұрын

Amazing how much consideration and science goes into this process

@jfruelas1 Ай бұрын

Super cool video. This needs way more views. Keep up the great journalism.

@SWEJmeister Ай бұрын

Very interesting. Thank you for doing these discussions and deep dives!

@moliii8809 Ай бұрын

Fascinating educational discussion - thanks for keeping science and intelligence relevant and accessible. So inspiring to see Malcolm/Steve's passion for their work.

@joeyverliesharen Ай бұрын

This lesson is going to greatly help participants of the Fan Showdown.

@hlm666 Ай бұрын

Malcolm is really good with his public speaking or presentations, whatever we want to call it. He reminds me alot of john carmack in the way I could listen to carmack speak for an hour and 70% of what he said would go over my head but still enjoyed the talk, same here with Malcolm and the previous cooler one aswell. Good stuff, thanks GN and Malcolm/nvidia.

@Sightbain. Ай бұрын

Another banger! Thanks for continuing to bring us amazing content like this.

@Wootguy238 Ай бұрын

Well done video, team. I liked the editing on this one.

@DarkOmenX Ай бұрын

Amamzing , love this type of technical education right form the source and people who actualy doing it , developing , pure gold ! more please :)

@CTXSLPR Ай бұрын

You had me at diagnostics and kept me with theory plots (and laser interferometry).

@cars1647 Ай бұрын

Fantastic content, Superbly entertaining and informative. Love it, cant wait for the next instalment

@todddembsky8321 Ай бұрын

Yes, thank you for these deep dives. Keep producing this style of videos.

@shanesgettinghandy Ай бұрын

From the depths of my core, Thank You. I love this type of stuff.

@BRUXXUS Ай бұрын

Incredibly cool and fascinating stuff! There's just something about fan designing that's always held a lot of interest to me.

@alexcollazo8432 Ай бұрын

I love this video... One of my all time favs from you guys! Thank you!

@Cortexjr Ай бұрын

I love these kinds of unconventional tests that I can't do in the workshop. really cool❤

@DayXP Ай бұрын

morning coffee and getting the optimal operation point of a fan explained, with the maximum coefficient of lift after stall, is my personal week highlight. thanks for that

@flyingpj Ай бұрын

These are some of your best videos!!! Malcolm is fantastic!

@MarcsSpark Ай бұрын

I'd love to get a patreon video of what was left out of the video. I'd imagine you spent hours talking with Malcolm and this is a really interesting topic that i would love to learn more about. Once again, an amazing engineering discussion video. Great job GN team!

@NameyNames Ай бұрын

Immensively informative content, I'm very interested in this field (mainly because I really hate noise) and I learned a great deal from this! Great guy, this Malcolm, both highly knowledgeable and a very good communicator!