Fans; High is next to Off on purpose
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- Опубликовано: 11 май 2020
- This video is absolutely fantastic.
Ever wonder why it goes Off-High-Medium-Low? Well, it has to do with motors and the ways we cheat with them.
Are you wondering what the heck a selection accumulator is? Well, it's the brain of an electromechanical jukebox!
• The Selection Accumula...
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Наука
Good gravy are there just so many motors out there. Like brushless DC motors which are absolutely cool in their own right! Therefore I just want to put up here that you should _definitely not_ go thinking that all motors work like this, because many don't! In fact, the universal motor? One of the reasons those are still so common despite their (relatively) shorter life is that they create *gobs* of starting torque on their own. An induction motor would be absolutely awful for something like a power tool with its poor starting torque, unless you went real fancy with a VFD and stuff.
It's all about what's best for what purpose!
I love the idea behind brushless dc motors, it's so ridiculous that we can build the things at all. Take what's essentially a multi-phase ac motor, and then have solid-state electronics switch between the phases. Fancier ones can even do things like detect the rotor position by measuring the effects of the (typically permanent magnet) rotor on the winding fields, and apply torque to hold the rotor in place.
I don't know why I watch you but I do and I love it please keep doing what you're doing!!!
Brushless "DC" motors are just AC motors with DC compatible power circuitry.
The correct term for an AC variable speed drive is an "Inverter Drive" Telemecanique call them Altivar but that's a trade name. Brushless DC motors are in reality AC motors which are not new at all it's just the miniature Inverter drives that they are more popular. But still will never have as much low speed Torque as a DC motor. With DC you can have Full Torque at Zero speed, it is possible with ac using full flux vectoring however they are very complex and require the motor to have an encoder.
@@CalvinWalton it's called flux vectoring it's a pain to set up on Industrial motors. The first versions had a habit of blowing the smeg out of the tank capacitor's
I love how this guy's delivery makes him seem not quite unhinged, but maybe just dangling precariously from the last screw on the last hinge lmao
Watch at 1.5x speed, it's even better.
@@Bacteriophagebs 1.5 try 5x
@@gagamaus What extension are you using?
'unhinged'? Just a joking /playfuyl, very slight quirkiness
Fans. It's what's for dinner.
"It operates a lot like transformers but it is in fact a Decepticon" God I had to take a break after this one
The spooky part about this comment is I started reading it right when he said it 😂
When I was a child I had an old reel to reel tape recorder with that type of shaded pole induction motor, where the manufacturer has got clever and put secondary windings on it to drive the electronics so it was a transformer as well
The deadpan delivery just makes it so much more
That was about as inaccurate as anything a politician could say, or a republican.
@@cyanimation1605 Republicans are politicians
I never once asked this question before, but I was still willing to sit through a 16-minute video explaining it.
I actually HAVE wondered about this, lol.
I also have wondered about this for years!
I’ve wondered about this lol, this guy’s pretty good at making really engaging videos based on seemingly pointless shower thoughts
ive wondered since i was 5
I was not (willing to sit through this). Does he ever answer the question? 10 minutes in and I still don't know. And I guess I don't really care either so I ain't gonna finish the video.
TLDW: Initiating the spin requires more power than maintaining the rotation.
This is why if you have a fan thats dying you can sometimes spin it by hand to get it started and it will run fine.
Thank you. This was the comment I was looking for
Thank you.
I love you bro
Thanks
Best summary of a 17 minutes video. Sweet.
I always start like "why does he need 17 minutes to answer this simple question" and I always leave like "huh, that was a lot of information."
and he is actively cutting the details down, so that it doesn't turn into a highschool physics class
I saw this video in my feed and saw it was 17 minutes. At which point i took 10 seconds on Google which revealed that the motor could overheat otherwise. Now i have to go pee. Additional fun fact, I still spent less time the previous comment and this additional explanation than it would've taken me to watch this video. I mean, good on you if you want to know the detailed history of fan speed mechanisms or whatever this content creator is talking about... But i really gotta go pee.. priorities i guess.
@@fallenhoenix1255 just so you know the actual video is about 6 mins long. It's repeating itself, probably a editing mistake.
There are no simple answers, only simple minds
It used to be 25 minutes..17 is about right
Mental note: When an evil Bond villain tries to chop you up by turning on an industrial fan, you should grab the blade before it starts turning.
Mental note: When becoming an evil Bond villain make sure the electromagnetic field on my industrial fan makes enough torque to not be stopped by a MI6 agent's hand
Gabriel Malta mental note: get strong enough to stop overclocked industrial fans.
Mental note: if becoming an evil bond villan, electrify the fan blades on the industrial fan to stop people from grabbing it
@@demomandemopan370 electricity makes things hard to let go of, I fried a cable box once so I know
@@demomandemopan370 Mental note: bring scissors when i become an MI6 agent so i can cut the blades
My Cold Spot fan sold in Sears in 1950 has no speed control and no switch. Just plug it in and it runs. Bought it at an antique shop years ago. Before using it I took the motor apart and did a thorough cleaning of the rotor & stator. Cleaned the air vent slots and the two bushings. Put it back together and used # 30 oil to lube the bushings. I recommend that you do the same to your antique fan. It will make your fan happy. If I lived in the same town as you I would do the work for free if you didn’t feel comfortable tackling the job yourself. I can’t afford to be a Patreon so it would be my way of giving back.
Aww
Weird
I have an oldish fan (maybe 30 years old, so looks fairly modern compared to the real antique fans) with push button speed control. It very often fails to start on low. I discovered on my own that if I put it on high first, then switch it to low, it does fine, so that's what I normally do. I did assume the higher power was helping it get started, but I'm very glad (because I'm also a big nerd) to know the details of what is going on. As for why this particular fan can't start on low, I'm guessing it's higher bearing friction due to its age since it used to be able to start on low just fine.
It probably needs a clean up and regressing or fresh oil on felt(usually around the bush).. It depends on the design as to which it is. Most modern fans in Australia since the 90's, a light layer of grease does the trick after a dismantle and clean. (Don't robes the bushes unless they're designed to be easily removed, just clean them through!).
I feel like this one episode generated an entire season of future episodes.
Robert Headley But that’s a story for another time.
Ac, heat exchanger, thermopumps... Hell yes!
How do I get a crooked obtuse angle next to my name? Lol. I've seen them around.
Missed chance to call it breezingly smooth jazz
Yah, for example, he could talk about VFD's (variable frequency drives) and their uses and quirks. He could then go from VFD's to PWM (pulse width modulation) which is how most VFD's operate. The uses alone for PWM would be a whole series.
As an avid fan collector, I’m thoroughly impressed with this video. The explanations are FANtastic. The off-high-medium-low sequence is the most commonly found on fans with rotary switches. But there’s plenty of fans with the increasing speed sequence. Also, that’s one fine 1930s Robbins & Myers 1304 table fan you got there :)
May the algorithm look kindly upon this small offer of a like and a comment
@@pablorepetto2759 shurely they shall
@Ethan Stam Still more normal than people that like cats. Godless killing machines...
@@dylconnaway9976 bruh cats are the best. They don't need to go outside, they don't smell bad, they aren't loud. Yeah they might be nosey but kids are too but cats don't cry. Dogs smell like ass all the time from going outside.
@@Creepa99 Bruh there is no "best" animal, just preferences.
TC, thank you so much for always having such good captions/subtitles on your videos. I hope you never forget how appreciated they are and how many people they are immensely useful to. It's hard to find effortful captions these days and content creators who are conscious of this need and feature on their videos and who consistently put in the time to making them well-written for their viewers. I am very grateful 🙏🏻
This is the third channel I know of that actively does that. I personally don't need the captions and rarely if ever use them, but I do appreciate them for those who do. I always think significantly higher of channels that do, it's a small but extremely helpful thing for a lot of people
I agree sometimes I like watching g his stuff while listening to music. Plus he writes scripts and uses a teleprompter which I'm sure makes it a bit easier for him to do this.
"But that's a story for another time"
Indeed,
Ask a question,
Get answer,
Answer raises three more questions,
EACH answer raises three more questions, some times overlapping.
"This here is my biggest fan"
Lies, I didn't find "ceiling fan" among your Patrons credits
He's just blowing allot of hot air.
Hey man, maybe ceiling fan lost his or her job due to COVID-19 and can't afford to support on Patreon right now. Don't judge. 😋
You know I'm surprised, because that's *exactly* the kind of thing he'd do XD
I'm sure a fan in a jet engine is larger than your average ceiling fan
This deserves top comment
"These look a lot like transformers, and indeed operate a lot like transformers but they're actually decepticons"
Transformers + corona =
ruclips.net/video/lCl7I7png08/видео.html
Electric motors, more than meets the eye.
Autobots
@@Psychodegu That would have been a better line. But he still gets an E for effort
Common, Decepticons are transformers too. Don't make Megatron angry, you'd regret it!
I always thought it was a safety thing, since you're more likely to shut the thing off when it's going faster.
I figured it was for kids, since they like to do things like turn knobs, and they usually like to turn them to one extreme or the other. Instead of turning it to a more dangerous high speed, they would turn it to either off or low.
I guessed the reason correctly, because my cheap fan stall a lot, I need to turn it with hand before it can turn on its own, just like old propeller plane, so I guessed it has something to do with torque and friction
Yeah id always thought "oh like stoves that makes sense" but I never actually thought about it
@@ImAlwaysHere1 what kind of logic is that dude?
@@Scumful The logic is that if a child turned the knob, it is likely they would turn the fan off or to a lower speed. The reason that might be important is that children also like to stick their fingers in fans. If the fan is off, the child would not get injured. If it is on low, the child's fingers are likely to get less damage, or possibly stop the slow moving fan blades and receive no damage. I thought the logic was pretty clear.
“These look a lot like transformers, and indeed operate a lot like transformers, but they’re actually Decepticons.”
That got me laughing a lot more than it should have.
Nerd
Omg its the r/guessthecoaster guy (how tf did i find you here of all places)
I immediately thought: "but did you have to shoot the toaster?"
Decepticons are transformers
@@MrKYT-gb8gs Finally, an educated person
"this is an antique so i don't want to take it apart"
proceeds to stall the motor
I swear I could hear it screaming like I was watching The Brave Little Toaster xD
@@MacroAggressor OMG the brave little toaster! I can't unsee/unhear that now!! Oh jeez, whyyy, lol.
"but they're actually decepticons." caught me off guard and had me laughing.
Gave me a good ol chuckle
Me too
Yeah that caught me off guard and made me snort laugh.
Why
My favorite part is that decepticons *are* transformers
Deceptions and autobots are both factions of the transformers race
"You can lose your mind trying to keep track of them all [electric motor types]." This has happened to me evidenced by my ebay purchases, graveyard of electronics hidden away in dark corners, and number of tabs opened to science papers. On a side note, I love how Firefox gives up counting your tabs somewhere north 80 and just changes to ♾️
Mobile Chrome stops at 99 and switches to a smiley face.
Fun fact, I have 1500+ tabs opened in my phone's deep memory that constantly ungroup themselves whenever I reopen Chrome.
Bro just bookmark those 😂😂
Me and my 'ridiculous amount' (husband's words) of Chrome tabs thank you for making 40 tabs look completely rational.
I will never understand why ppl don't just bookmark all their extra tabs 😂 like I understand having multiple open but idk
@@J4MJ4M5Good luck bookmarking 100+ things and remembering where they are.
Wild, I work at an observatory and I’m trying to understand/redesign our single phase and 3 phase motors used on our dome, but had no idea what I was doing or anything about how they worked. Thankfully I had older engineers figuring out the important stuff, but I can’t believe your video about fans would be the connection I needed to figure out the part of a telescope system!
I counted no fewer than three "stories for another time".
Looks like you have lots of material for us for the foreseeable future. :)
Three Stories, Three Phases, coincidence?
@@nerhu59 technology connections cinematic universe
He also promised to tell us about Fleming's rules and Lenses laws when we're older!
@@nerhu59 three pyramids, three guidestones in Georgia, three licks to the center of a Tootsie pop!
It's a sign!
@@nerhu59 When I see three stories, three phases, three videos. I do not see coincidence, I see providence. I see purpose. I believe it our fate to be here. It is our destiny. I believe this night holds for each and every one of us, the very meaning of our lives.
Me, looking at my fan: Why the hell are you so complicated?
Fan: Brrrrrrrrrrrrrr
Lol that one gave me a good chuckle
Me during the day: NO DON’T STICK YOUR FINGERS IN THE FAN
Me at night: Ha Ha fingers no Brrrrr
Me looking at my fan:
No one, literally no one:
My echo coming back:
@@HenryNWhite-zp5zp The “No one:” instantly makes the joke less funnier ngl
I would like this comment, but it’s already at 669.
"'Nearly all' is subjective, please don't write letters" is the most internet thing ever
I'm loving content creators setting boundaries with fans
🤣🤣
In this case, he set boundaries about fans 🤗
This is the kind of OnlyFans content I'm interested in.
This comment made my day. Thank you
But he went on a few tangents on electric vehicles. This video was not only fans. :(
The naked truth it is.
How about listening to this while doing physical exercise with the Hub on another tab?
underrated comment
good video :)
?
FRIENDLY JAPANESE BUSINESSMAN r/woosh
@@mr.chekan r/itswooooshwith4os
FRIENDLY JAPANESE BUSINESSMAN he’s talking about fans, his biggest fan. Fans. Huh??
Puns the punniest form of comedy
I like this guy.
He seems like a real person, by that i mean he isn't hiding his personality behind a facade
Well done mate, keep doing it as is👍😉
Interesting, I always wondered why high speed is the first setting. It all makes sense, I know how hot a stalled motor can get.
real; a stalled motor killed my last fan
As a physics major, "we'll talk about these laws when you get older" is hilarious.
As someone with a physics degree, I felt the same.
But also, get back to studying, you kid!
EE degree and physics minor. Glad I found work in software/firmware and don't have to worry about motors anymore.
If you’re still alive, you’re not old enough yet.
My response to this comment is left as an exercise to the reader.
Its weird explaing to people why there are 3 lines for long distance wiring. XD i told my physics teacher all this way back in 2006 and he kindly told me how wrong I was about for long distance wiring containing 3 wires osolating oddly.
What I wanna know is why do ceiling fans have one useful setting, a useless setting, and a tornado mode that makes me wonder if my fan is gonna break off.
Like, at least put something in between useful and tornado and get rid of useless.
If the fan wobbles too much when on high it's unbalanced. Much like balancing the wheels on a car after installing tires, there's weights that can be applied to fix this.
@@user-ez9id7td4b I don't have enough fans installed to raise the ceiling **ba-dum-tiss**
I love the useless setting! It's designed to cycle the air around without a lot of air flow. My fan is on the 1 setting all winter to help circulate the hot air from the ceiling to the floor. Hot air rises so all the heat in your house just sits up at the ceiling and your floors stay cold. A ceiling fan will push that hot air down or pull that cold air up and helps keep the room more equally heated
@@WeneDog0628
I used a penny to ballace a fan's blades once. I used double sided tape with a penny to find the balance point then super glued the penny in that spot on the top of the blade where it would not be seen...
@@ShellShock794 I use that setting in the summer to pull up the cool air and spread it around to room again.
Stalling is still a thing on PC fans. When you bypass auto fan controls on modern motherboards (to allow fan stop) you need to measure manually how much duty cycle you need to start the fan again reliably. I have 3 exact fans models but each on of them starts at different %, so I end up taking the highest value. The reason for this is to activate the fans quietly when you need them, scale them to the desired temperature.
"This here is my biggest fan" 🤣🤣 Love the puns man!
"We'll talk about Lenz law when you're older"
Me, an electrician: "awwwhhhhh"
We're a few minutes older, is it time to talk about that yet?
@@ashen_dawn We must wait for our next connection to technology.
I'm not an electrician and as a fellow 5 year old in a much older body, can you explain what it is. I don wanna waaaaaiiit.
I look forward to learning about both the female reproduction system and Lenz law when I get older....... maybe I can find out where all my kids came from!
@@Tinfoilpain according to my EMF class: nothing in nature wants to change, so it tries not to by counteracting change. Basically inertia but for everything in physics instead of just acceleration.
The humor of this channel is subtle and grows on you after several weeks. I like a kid telling me he’ll teach me about Fleming’s rule “when I’m older”
Was he referencing Ian?
I’ll be waiting
What the heck is Fleming's rule? Lol
Right? I'm glad I'm not the only one.
@@fatherofdragons4880 Fleming’s rule is an easy way to determine the relative orientations of electric and magnetic fields. en.wikipedia.org/wiki/Fleming%27s_right-hand_rule
I've been working in factory automation for years, mostly in the higher-end servo field, but I started out in college working with single-phase induction motors. This is the best and clearest explanation I've ever heard. And I spent the first eight minutes of the video hoping you'd say "shaded pole" and then you did. It's the little things...
I've been curious about this forever. I understand why old some dysfunctional fans I've had to deal with wouldn't get started until I physically spun the blades myself to get it started. Very interesting.
"I am oversimplifying" - We all remember what happened when you weren't oversimplifying: RCA's CED :D
OMG, I remember! They were the last youtube videos I watched the night before my cardiac arrest. Made for some interesting dreams while I was in a coma.
@@jakeaurod that is unfortunate
@@jakeaurod First off, I'm glad you came out of that coma; hope you are doing alright. But, I have to ask: how crazy are CED dreams?
Help me find this video. I've watched this ruclips.net/video/PnpX8d8zRIA/видео.html. It was okay.
@@ancientflounder It's hard to explain, especially due to amnesia, which means my limited memory of watching the videos is divorced from any time cues. In other words, I remember watching it fuzzily, but upon waking I couldn't remember if it was hours, days, weeks, or months earlier. (It was 3 days) But what I do remember is like an alternate timeline where CED was a success, among other timelines I dreamed about. Then I woke and a short while later the Pandemic started, making me wonder if I died in one reality and woke up in another, as if I was choosing a reality from different programs on a videodisc. Even now, I feel kinda like I'm in the film Existenz, where at the end the guy is like, "Hey, tell me the truth. Are we still in the game?"
Side note, I'd love to see a "Our US Electrical System is Weird- here's why" video.
Ah, but that's a story for another time
*starts new RUclips channel* still not enough to cover this topic
Great Idea.
TBH "why is Something in the US Stupid" could be a whole series!
Mantis 04 pbs ?
If you think it is weird now go back in time 50-90 years when there were pockets of DC, 25Hz and 50Hz grid in the country...Then consider the time before outlets were standardized where each room would only have a lamp or in some cases a lamp and a power receptacle that consisted of a lamp socket near the baseboard of the room with a little door to cover it when your electric fan or other device wasn't connected...
I honestly love when you go off on a tangent! I also love the older "hand chopper" fans!
I can't sleep without a fan blowing full blast at my face! I'm glad the high setting is right next to off because I never use the medium and low settings. Fun fact: in South Korea, a lot of people are superstitious about fans and somehow think that fans blowing at night is dangerous because they think the fans steal your breath, lol.
This video made your channel even cooler than it was before. How is this possible?? 🍃
😏 I see what you did there...
Hi deviant, big fan. Get it, fan?
It's all of his fans.
I'm blown away!
Funny seeing you here
"They look a lot like Transformers, but they're actually Decepticons."
Well done XD
Lol 😁😂
Decepticons are transformers!!!! AHHHHHHHHH
"They look a lot like Transformers but are actually Go-Bots" would have made more sense.
Watch this
@@jamesdlin7 Pretty sure he's playing on the word "Deceptive"
I was looking at the controls for my ceiling fan and wondering the exact same thing. Nice to know there is a logical reason for the order. And also nice to know there is always someone willing to make a video to explain it!
I actually discovered a few of these concepts on my own, by accident, without realizing it. I sleep with a small fan blowing on my face, and when my last one started stalling out, (after running for several hours a day for 8+ years) I figured out that switching it to high would get it going and then change it back to low or medium.
That Deceptacon joke got me completely off-guard, that'll teach me to drink water while watching RUclips.
It didn't even make sense since Decepticons are still Transformers
I'm always impressed by his ability to throw out gags like that without missing a beat. That's some Leslie Neilsen level deadpan.
How many times did he have to record this line to not smile?
@@pompshuffle562 if the Decepticons are fighting the Transformers, then who fights the Autobots?!
@@MetallicMutalisk Check out the closed captions at the end of the video:
"I've been informed Decepticons are still Transformers."
"I apologize for making that joke with zero real knowledge of the Transformers franchise, but hey."
The jokes in this episode are the peak of nerd humor. We will never surpass “I’ll tell you when you’re older.” “This is my biggest fan.” And “these are not transformers, they’re decepticons”
Decepticons ARE transformers though
nerd humor, it's what's for dinner
@@kazooduck I'm not your biggest fan
@@WFly101 large amounts of deception energy coming from this one
Decepticons are transformers though. I think he's a decepticon, with all the deception in that line
I have a master's degree in physics. I took one semester course in electric circuits. And yet, most of the information in this video is news to me.
In particular, i never learned anything at all about 3-phase power in school.
The amount of knowledge that humans have amassed is huge.
Thanks from a long time fan, it feels like this video was made for me. I used an old fan from my grandparents which had a button to push down to select a speed and if you started at a low speed it sometimes stalled and you could see it sort of arcing or something to try to get it to go and it felt quite unsafe so I stopped using it. This video helps me understand why it behaved that way. They don't build 'em like they used to!
idk why it took me so long to subscribe to you. your humor reminds me of the humor i used to sling at the lunch room table in middle school. thank you for all of the information and laughs. i hope you enjoy your time here on youtube as much as i enjoy your content
"Fans: it's what's for dinner!"
Mmm... dusty.
😂😂😂😂 they do collect dust
Can someone explain me this joke? I’m not a native speaker.
Old 90s joke.
BEEF, ITS WHATS FOR DINNER
@@AttilaTheHun333333 "Beef. It's What's for Dinner" is an American advertising slogan and campaign aimed to promote the benefits of incorporating beef into a healthy diet. . It's just a silly reference.
@@Lethgar_Smith thanks for the explanation. I'm not an american. That's why i don't understand the reference
6:09 “something like a fan which could be running for DAYS at a time...”
Laughs nervously at the fan in my room that I turned on and forgot about years ago.
1000+ days is still "days."
Also, don't turn that fan off unless you want to buy a new one. A fan that's been running for that long will very often die if you turn it off and try to restart it. As we said of hard drives in I.T., "it's like patients in an old folks' home, you put them down to sleep and some just don't wake up."
That's a really long time!
i am high class cause i turn mine off every 4 years to clean it;)
@@Bacteriophagebs And 1000 days is 8.64e+7 seconds, which is still "seconds" but that's not how we communicate timeframes, sir.
Wtf that fan is probably the dustiest dirtiest garbage ass fan
Ngl TC,
You with Tech and NotJustBikes with Urban Planning have made me fascinated by what I previously assumed was the height of boring topics.
Thank you! Awesome work!!
Well done. I thought you explained the simplified electrical intricacies very well. You have gained a new fan.
Fan designer: "We must put High first for safety"
Also fan designer: *Makes a spinny finger-muncher*
Back in the day where if you stuck your finger into spinning blades and lost a finger, that's Darwin telling you it's your fault. Their motto: "Safety third!"
The safety of their warranty department.
My grandparents had one of those heavy, metal fans with barely any grill. They look worse than they are. The edge around the circumference is always protected, and if your hand approaches the blades from the front, it will most likely be pushed back due to the angle of the blades. It's only a problem if you come at it from behind, where the leading edge will hit you first. I wouldn't let a toddler near one, but for older children and adults, it's fine. You'd really have to _want_ to injure yourself with them.
@@ironcito1101 well, pc fans are pretty much like that (because they're supposed to only be used internally, so without any finger-risk) but I've been able to cut myself 2 or 3 times while working on them when turned on :) (I couldn't shut them off because they were servers, and I didn't make any hardware change anyway)
@@ironcito1101 Oh cool, I'm also a heavy metal fan!
"This looks a lot like transformers but are indeed decepticons"
I had to pause the video to laugh
I guffawed
And I had to stop to write an angry " um well actually!" Comment about decepticons still being transformers.
In old reel to reel tape recorders the motors WERE literary transformers. 2 in 1.
I just laughed while watching. But you do you.
I very much appreciate your style and no-nonsense format. keep doing you as you do.
I've been looking for a channel like this my whole life not sure how I am just finding it. Keep up the good work !
"This here is my biggest fan"
_sad viewer noises_
I cackled
I chukled
i nutted
I chortled
I yawned.
my fan goes from off, low, medium, high
sorry ladies i'm already single
Yuh I got 0, 1, 2, 3
@Briny what the hell kinda fan do you have bruh
@@MysteryNotes A fan with 26 buttons/switches
Half my fans go: High - Off - Low, the other half Off - Low - Medium - High.
my fan has 정지, 미풍, 약풍, 강풍
😅 I just wondered today, sitting between two rotary fans to survive the heat, how these speed selector switches work at all. Thought to myself that this topic might be worthwhile for Techonology Connections to cover... and of course, you did! Hats off, Sir, as usual your explanations are in-depth yet comprehensible. And I got a lot smarter again. Thumbs up!
This is a bit funny to see in my recs, spent many days in power lab configuring different motors (and transformers) for various lab tasks (and configuring a motor to behave like a generator by driving the slip), quite familiar with locked rotor current as a result.
Nice video, and have to say it's nice to see something I learned in school after all this time
"This here is my biggest fan" - I bet you thought that one would go _right over our heads_
It is a ceiling fan, so it had better.
It does make a nice Whooosh.
Nice pun in reply to the pun. Well returned play.
Actually, I was blown away
@@Christopher-N I like how you put a positive spin on that.
TC: "Ever wonder why it goes Off-High-Medium-Low?"
Me: Looks over at fan
Fan: 0-1-2
Capacitor start motor fan gang!
Imagine having to set your fan high first only to set it low later.
This post was made by electronically controlled brushless fan gang.
-3
@@Asu01 I have a pretty cheap fan laying around, its bearings are a bit sticky, so i have to set it to high just set it back to low. It just won't start by its own in the low setting :P
Electronically drive brushless motors are one of my favorite devices, my precious ♥️ xD
I have a fridge fan that stoped turning last week. I replaced with a new one, but still didn't knew why the old one stopped working. Now your video is giving me a clue.
Don't know why this was on my feed but definitely loved it. I'll never look at a fan the same again.
"These look a lot like transformers and act a lot like transformers but they're actually Decepticons."
This man is after my heart.
Did your heart not know that decepticons are transformers also?
@@JonO387 My pet looks and acts a lot like an animal, but he is actually a dog.
Is it the all spark?
How could you not give him your heart? Big friendly cuddly tech geek. Awwww :)
This is the first time ive heard someone be smart while referring to a rotor as a “spinning thingy”
@Ken Hudson to this day we have to do something like that. I'm sure you've used a pull start lawnmower or weed whacker at some point, right? Just like the old wind up cars and biplanes, you're pulling a cord wrapped around the motor to get it spinning.
@Ken Hudson I think Charles Kettering invented the self-starter for cars and made a bundle of money. In the teens or 20s I think.
@@AndyZach Kettering made the first practical electric starter motor for cars in 1911 and Cadillac used them on their 1912 models. He was a cofounder of Dayton Engineering Laboratories Company, abbreviated as DELCO (later bought by General Motors and merged with their spark plug division AC Ignitions to become ACDELCO). Kettering was a very prolific designer, and had near 200 patents in everything from electrical designs to paint to diesel engines to cruise missiles (in 1918)
.
Nice concept and episode -- it got me to take a double-take on some our 3 still in use Westinghouse fans (more than 100 years old) - and THEY start at low. They are a nice complement to our 99 year old house....and push massive amounts of air!
I watched this video long ago and it all makes sense. Just recently I remembered I have a box fan from the 1970s that has the settings OFF, HIGH, LOW, OFF. It's worked great over the years with just minor oiling. It's motor seems rather large. Just wanted to offer that counterexample.
I literally could not care less about this, that being said, I watched the entire video.
I got lost about 3 minutes in. After that it was just me listening to him ramble and show some fancy diagrams. I really just don't get this stuff, and most likely never will 😅
Well i actually hate this since fans are really irritating, j mean when you turn it on and its already its highest speed your like,welp....that was it,thats the max,see?no satisfaction
Well maybe you don't, but I'm a fan.
same -_-
Welcome to Technology Connections, get used to it
"But they're actually decepticons."
Said with a straight face XD
Sad thing is decepticons are transformers.
I died.
I was like "did the viewer CATCH THAT?" That was genius! Artful!
I had wondered about this ever since I first saw an induction motor in physics class at high school and when I asked about how they wouldn't start I was just given a nothing answer, I had completely forgotten about it. As I learned more I had just assumed that they would use a capacitor to create a phase delay, and then never really thought about it again. I never knew about shade poles, such an ingenious if not MacGyver-esque solution. Great video man!
I swear I was just thinking of researching this a day (maybe 2) ago. It made sense for the motor to build up speed to reduce strain on the motor but this explanation makes perfect sense.
I'm glad to see Technology Connections isn't too big to dedicate an entire video to it's fans.
Get out, but first here is a high five
glad* its*
This guy’s rhythms, tone, and terminology makes this the highest quality education I’ve ever seen in terms of helping true novices understand complex topics.
Tim Wallis nope I’m just wondering how motors work now
In some older videos, he used to fake information
@@andricode ? where? Examples?
I work for a motor/VFD manufacturer and I appreciate the first part of the video. Well explained even if you say you oversimplified it
Dude your captions are epic. I’m slightly hearing impaired so I always turn them on where possible, and I love the Easter eggs you’ve slipped into them, ha
Interesting trivia: Electric fans were the first common household electrical appliance. Light bulbs were, of course, first, but this was the first common use of a motor.
There is a bit of overlap with vacuum cleaner and washing machine, but in general due to the cost, electric fans were available earlier, around 1900-1909. The vacuum cleaners were available from around 1908 in mass. And washing machines from around 1915. There were available earlier (as early as 1904), but really only started being used widely around 1925-1928. All due to the cost of course. Same for hairdriers, they only kicked off around 1920.
More interesting trivia Michael. One of the very first electrical appliances was an electric vibrator. This was used in doctor's offices to bring women to orgasm. Years ago women had a lot of sexual hangups and sexual frustration, doctors diagnosed this as hysteria so the women would come in and the doctor would masturbate her, obviously, this took considerable time on the doctor's part so the vibrator was developed. As they use to say "truth is stranger than ficton."
Dildos were up there too. They were made before electric shavers.
@@Norm475 Well, we all know new ideas are always turned to sex early on. The internet is for porn, after all.
Imagine people surprise when some areas went from 25 cycles to 60
"We are talking about Flemming's rules and Lenz's Law when you are older"
He's technically correct !
Because time passes
The best *kind* of correct!
@SHAHMI ISKANDAR BIN SHAMSUL - he'll talk about it in the future. in the future you will be older.
@@Archgeek0 Awwww. I wanted to say that.
What a great explanation of something I genuinely never considered. I feel smarter and as though I’ve wasted a bit of time. I love it!!
While I was deployed to Greece, I bought a fan to help cool the room. When I returned stateside,I brought the fan back home. I changed out the electric plug to US type. Because the fan was designed for 50 hertz, I was now operating it on 60 hertz. The fan speed increased significantly, and eventually the plastic fan blades broke off.
14:26 “This here is my biggest fan”
Aww... what about your viewers?
150 likes no replies?
Also I hope he doesn't change..
@@zlette doesn't change how
I live in the UK and I have never seen a fan with high next to off, this is a completely alien concept to me! Great video as usual :)
Same as me in Australia, we just have 3 buttons for different speeds on our fans. But I do have a very cheap fan which sometimes doesn't start on low speed at all, it just stalls or takes about 45 seconds to get up to speed.
same, i live in germany, never saw that before. i have a fan with a button that you press to turn it on and a button to change speed, or those clicky buttons idk how to describe
but even on fans with turn-knobs its just Off-Low-Mid-High. is this just in the US?
Same in Sweden. I have a desk fan with a rotary power switch which is in the order 0 to 3, with 0 being of and 3 being high, never seen a fan with high after off.
I’m in Singapore, and there are no fans with high next to off that I have seen.(idk, maybe because former crown colony?) They are all just 0, 1, 2, 3 buttons
Also in the UK, I imagine its due to being 240v vs 120v probably maybe gives it more starting torque even on low setting.
Thank for finally answering this! I always wondered why, but never enough for me to look it up.
Watches this channel a few times, searched for fans recently, now this is I’m my recommendation. Love it 😂
Lol Electrical Engineer here. He's not even joking when he says he's simplifying things
When i started to learn electronics i was like, cool, this so logical and easy to understand. At a certain point i gave up and went back to believing it's essentially all magic, infused with lots of maths and some occult quantum stuff sprinkled on top. It's better that way.
i think he screwed up the "breaker box in your home" saying to use two 110 vac for 220 vac and you only get 208 vac .isn't all US homes usually 220-240 coming into box? being two separate 110 vac hot's? I had a 220 compressor and no 220 outlet.but had a 220 line changed to two separate 110 outlets for my washer and gas dryer. they took out the 220 breaker and installed two 110 [20 amp] breakers. I ALSO use these outlets for running high amp stuff outside with a ground fault extension cord. but I made a 220 adapter using those two hots for my compressor. it worked fine. until it did not. IT stalled and melted the motor. expensive mistake. MY biggest stupidity was ,those two hots ,were still going back to two separate breakers and i think only one tripped. so stupid . learned it from a youtube video. stupid.
@Jestivius Jovial_Emperor so what is normally coming into a US. residential home, like for stove and dryer ? would i need a new line from the pole for 240? Now I'm really confused.
I’m a electrical motor technician, I couldn’t agree with you more lol he never even dipped into electrical theory.
immrnoidall you missed the line about it coming in as three phase. Because the phases are 120 degrees apart, the ac voltage between two of them is 208.
"... and I'm getting deeper than I need to, as always..."
That's literally why I watch your videos, keep it up!
Great video! You earned my subscription. Looking forward to seeing more of your content. Thank you
You have a good sense of humor. Nice. As a physicist, I like to follow engineers with good senses of humors.
I was in the navy, we called your civilian 1:17 "stall condition" pole slippage. but we still refer to the normal operation of electric motors as "making it go all spinny" 1:33
I work at a hardware store. The repair man there even says 'go all spinny'
Similar to the “place on rock or something.”
Navy guys always trying to get some pole slip action.
"They look a lot like transformers and indeed operate like transformers, but they're actually Decepticons"
This is why I love your channel, incredibly interesting and intelligent information, all shown with a degree of humor and charm.
God you almost had me in tears laughing at that one. I saw it coming but I didn't think it actually be the joke you go for.
Damn, this channel always deliver... I had this question for years in my head but never had the chance to ask around why...
just found this channel, man this guy brings my resting heart rate down a few bpm. great info too
Before watching the video, I really thought the main reason for _1-2-3-OFF_ was to save the fan from inadvertently being left on.
My reasoning was that if you're in a hurry (or just inattentive) and turn the knob towards 'OFF' before rushing out of the room, you'll immediately be aware that you didn't turn it all the way if it's now on '3' (or 'max').
But if '1' were next to 'OFF', you might think the fan's slowing down means it's about to stop as you walk away, when it'll actually be wasting electricity for all the hours you're away.
You have a point.
Have you noticed that it's like that on gas stoves? I still think the reason is safety, so you don't accidentally leave it on the tiniest flame and not notice.
@@sindicta5757 Indeed 👍
I never thought that before, but thats a good point and some solid thinking!
As for gas stoves that do the same thing, it could be for safety, but now after watching the video I think it's so the flame has enough gas to ignite in the first place from being set to the "high" setting.
@@sindicta5757 gas stoves need to be ignited much like a fan's motors need to be spun
As an electrical engineer, I feel like you did a really good job of simplifying and explaining it for a layman 😄
As a layman, I feel like I did a really good job of pretending to understand these concepts
Shut up
@@andreipaul968 what?
Lol
@A.J. Ello Uh huh. You donæt understand how relevance works, or?
Bless you. I have been asking myself this exact question for 23 years.
this helped me understand the difference in table saw motors! and also some of the noise differences.
14:27 Always nice when a popular RUclipsr still is of the people enough to put in video of their biggest fan.
I am awestruck by how much antique stuff he keeps. Fans, toasters, jukeboxes, even cars.
Now here is someone how loves the way "things were in the good old days" but is modern enough to recognize and appreciate progress
@@JohnLA1980 I once read that back during the Revolutionary War, the French asked American boatbuilders why they made them so that the boats would fall apart after a few years. "So we can build more boats!" was the answer. I have no idea how "true" this story is.
I never thought of the stall condition be in the reason. I've always wondered why the high was first. Thanks for sharing your intelligence with me.