Why Bladeless Fans Are a Lie
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- čas přidán 12. 09. 2024
- Bladeless fans can look like magic. How does all that air come out of that empty ring?! Well, it turns out that bladeless fans are more like a conventional fan than you might think, but that doesn't mean there isn't some really cool science behind how they work.
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best use I've seen for these is in Butterfly gardens. They heat them at up to 35°C, so the workers really like having a breeze, but they obviously can't have spinning blades of butterfly murder there.
wonder if any butterflies enjoy playing in lower settings
Most stationary fans have a gitter around the blades, it wouldn't affect the bufferflies any more than the "bladeless" ones.
@@Carewolf Butterflies might still get trapped against the cage behind the fan by the wind generated by a bladed fan. Still not very good for the butterflies, at a minimum.
Butterfly crime scene
@@SacredDaturaa I mean butterfly gardens aren't usually "cages", they're big rooms for the butterflies or outdoors. I doubt a single fan pointed at the keepers could do anything unless they were directly up against a wall.
My dad has one. It does work really well, but what’s most enjoyable is how the smaller cats like to jump through the hoop, and how the bigger one just shoves her paw into it and waves it around. 😂
That is awesome :)
HAHAHAHA OMG I _NEED_ a bladeless fan!
...And probably a less-lazy cat! 😼
Those cats ain't jumping through, they are getting sucked through it by the pressure difference...... 🤣🤣🤣
could you please video it if you get the chance
😳
👉 👈
This is how you sell products. Include cats. If commercials for bladeless fans had included a cat leaping through the hoop, I'd've bought one years ago.
We got this for the toddler room czcams.com/users/postUgkxdzUap46p9ViXhKZf5mK_bXOb89EHxTqq because of the bladeless feature. Actually has a lot more power than I thought it would. Can still feel the air moving well 6 feet away, which is farther than I would expect from a desk fan. My daughter dropped twice and still works. I haven't checked out how long it lasts on a charge yet, but the air output was still good for the few minutes it was unplugged. My daughter also likes the color lights feature, but I don't really care for it and can be annoying to go through all the options before it turns off. Overall, happy with the purchase, especially for the price
I don't think the title of the video is fair. It gives what is an amazing feat of engineering a bad name.
Yeah, but it's true. They are a lie. Just because they're also a legitimately cool invention doesn't make it not a lie. It makes the lie forgivable, though.
No, it gives a bad name to dishonest marketing.
It's like saying that the Hoverboard doesn't actually hover. This "bladeless" fan does technically have a blade.
Technically they are called fins not blade which from a definition perspective is technically true so it not exactly a lie.
@@backupplan6058 So if you made a blender and called the sharp part "fins" you could call it a bladeless blender? I don't really think you could. "A rose by any other name..." is still a rose.
Change the title to: ''How bladeless fans work"
That title would've made more sense
Completely agree I went ahead and reported the video is being spam or misleading
@@VineyardGHS How do you do that?
It was clickbait
But they aren't blade less....
"Here is our new bladeless fan model!"
" cool, how does it work?:
" well you see, there is this blade down here.."
it was a klikbeight
iFan now only for the low price of $1 399 and iBlades sold separately for $400 each
Nice
Kraken fan 😉
So they're HIDDEN blades. These fan companies are missing out on some serious Assassin's Creed merchandising.
I hate you for making me laugh out loud at this
Legit chuckle. Good work.
I died
LOL XD
Crouching fan ... hidden blades.
That’s how bladeless fans work.
How to delete someone else's meme account
That's not how the mafia works
That's how a dieing meme works.
@@Matt_10203 *dyeing
@@coffeewind4409 *dying
The only thing good about it is that it's safer for kids, but then again, I grew up with bladed fans and still have my 10 fingers so...
Unless you have the metal giant industrial fans, I don't think the blade of a fan can cut through human.
Most home fans have plastic blade that the rpm wouldn't harm a normal human.
And I’ve still got all seven of my toes!
@@goonerOZZ I can't remember the situation but I was reaching for something while working at my old fab shop, I accidentally stuck my hand into an unprotected 18" Air Master(metal bladed/industrial grade) fan. I cannot describe the sharp pain that shot through my arm; my finger went into the blade straight, against the direction of the fan blade travel. My shock and awe when I quickly realized it didn't even break skin. Barely a bruise, even. A small child or someone with a low pain threshold would be in excruciating, throbbing pain for days, though. Needless to say, I put that fan away immediately.
Unless you DIY your own fan and use the engine of an electric car or CNC spindle for rotation, then your fingers won't get hurt. You need some serious momentum to cut off a human finger with a spinning fan, as those same fans blades are designed to be a tad bit flexible. Saw blades on the other hand, not so much...
Kids were slightly smarter than today's kids.
Remember that kids nowadays are eating tidepods, getting froze bite from holding ice for a very long time with no protection and even using Gorilla Glue on their heads.
But can it make you sound like a robot/alien?
Sadly no :(
If you tilt them toward the ground at a 45 degree angle, they make a loud noise, at least the ones I've owned does
Real life questions 😂
VOLTORB
LOLLL
Someone's asking the real questions here!
I just use Airbending to fan myself
Is that where you fart and use a hand fan to waft it around yourself?
But you'd need an airbending fan and those are hard to find, as we all now the water nation are the coolest 🌊
Rohith K but you're a water Pokemon *:thinking:*
Watch out for Zukko's dad. He still wanders out there somewhere... Bender-less.. lol
Cody Erlanger Have you watched the whole of Legend of Korra?
If so, you can read below as there’s some minor spoilers (in case you mind):
Harmonic Convergence caused some people with hidden Airbending abilities to be able to start Airbending.
This just in. Wireless headphones have wires inside them.
Good one 😂
Wireless hose
Next invention: microtransactionless video games
That are still free. That leaves you with personal data collection as the only revenue source, like facebook has
that's called half-assing it
i literally laughed out loud ahahahaha
sorry, you misspelled videogameless micro transactions
By the all new Call of Duty with all expansion packs weapons add-ons and DLC with absolutely no microtransactions for the low low price of $354.69 and $50 Subway Gift Card
Obvious click bait title is obvious
You've gotta get those eyeballs, man!
It's a saturated market, dude!
Oh yeah yeah
Andy Tamata should work for cinema sins
@@anywherebuthere4389 *Ding*
Obviously.
These fans also eliminate the choppy helicopter sound that normal fans generate
But I like the choppy helicopter sound that normal fans generate :c
well yeah the dyson bladeless are super expensive ofc they are quiet. But also dirt cheap plastic fans are loud because you get what you pay for.
@@FSXgta Yeah, some companies make cheap versions of those dyson fans, and i can attest to the fact that yes, they are indeed about as loud as normal fans, some even louder than that. "You get what you pay for" in most cases is exactly that.
If you want a quieter fan with lesser chopper sound find one with 5 or 7 blades. It's the 3 blade construction that does that.
No need to spend USD 600 on a fan.
That's the best part!
As a Physics teacher, I'm not quite comfortable with saying this effect is entirely explained by Bernoulli's Principle, since the decrease in pressure is actually caused by the Coanda effect. But I suppose that is a detail that may be neglected for a tighter explanation :)
To be fair, she only mentioned Bernoulli's in the context of pressure differentials (the basis for inducement) and didn't really imply it's the only principle at play in air entrainment. I agree she should've mentioned Coanda though as it's imperative to describing the underlying flow dynamics.
Which level of physics do you teach?
@@ferln4 level 27
Let me guess, you're a Romanian, right?
@@NJ-wb1cz aha great one...
Bladeless fans are bladeless in the same way that "truly wireless" headphones are "truly" wireless.
"Truly Wireless" headphones still have wires and traces on the insides that connect components, but they are called that because they have no wires *visible to the consumer* which may inconvenience the consumer.
Bladeless fans are the same, it's not a statement that there are absolutely no blades in the fan at all, but rather that there are no blades *visible to consumers* that may harm them or those around them.
Is this a bad/inaccurate way to frame the marketing? Probably. But it's not an isolated product type. It's the way this kind of marketing is handed across many different industries and it's something you have to be aware of when you're looking at these products.
Nonsense. They are called wireless because there is no wire connecting them to the audio output device, not because there are no visible wires. Very poor analogy.
after reading the comment and your response you are very dumbfounded, “bladeless fans are fans that have no blades for you to hassle with”
“Wireless headphones or what so ever so you have no hassle with the wire”
It is more like spot the similarities at this point, common sense
@lasest2 No, wire less...get it ? No wires to connect the output to the input. Stop adding meaning to things. Oh, and you don't want headphones that recharge from a distance...welly welly bad for body.
wireless is specifically referring to the headphones not being tethered to a device.
Do people actually believe that wireless headphones have no wires at all? I didn't think that anyone would know so little about technology.
Okay everyone saying they title is click bait, yes it is, but it's not a lie.
So the bladeless fan with a hepa filter is just blowing mostly non-filtered air in addition to the bit that is filtered?
@@Cam4Cameron Well, yes. It's just blowing air in the area, around the area. Only the air that goes through the fan/filter will be purified.
I'm blown away...
Lol
apextroll I’m a real fan.
Booooo, get off the stage!!!
How freshreshing.
🤣🤣🤣
This is not how Bernoulli's principle works. Bernoulli's principle applies to streamlines that have the same energy as each other some time upstream, where no work is done on the flow. Because of the fan in the base, the air exiting the slit in the ring has a higher energy than the air in the room. It has received energy from the shaft work of the fan. Even though this ring-shaped stream of air has nonzero velocity, it has the same static pressure as the surrounding air. What's more, viscosity transfers some of this energy into the air inside the ring, increasing both its pressure and velocity. (Analogously, the air blown out of a conventional fan has the same static pressure, but higher energy, than the air in the room, because the blades have done the work before your very eyes.) It's the entrainment of air that pushes the air along, creating a low pressure region into which the air behind the fan can flow.
Finally, the shape of the cross section of the ring makes it a weak diffuser, not a weak nozzle. In other words, a Bernoulli argument starting at the slit exit would give you a _higher_ pressure as you moved forward along the fan.
I love you guys, but this explanation, while it sounds plausible, is incorrect.
Yes. Thank you. Bernoulli's principle is great, but this ain't it. Extra dynamic pressure is added to the total, so no decrease in static pressure is required. Just a demonstration of how viscous fluids move.
Alternative explanation: That time when you're a kid and you realize that when you blow through a straw from a distance the air from the other end is stronger, but when you blow through the straw while it's in your mouth less air goes through it.
I’m 23 and I didn’t know this at all
@@jirehjirehjirehjireh how?!?!! 😮😮 Like I literally can't stay still as a child, and I assume it's the same for many others.... Maybe you've forgotten
I'm 31 and I didn't know this either
Wow. I always assumed they used some sort of electrical discharge.
Hi Cody, good to see you here ;-)
I always assumed they worked by ionizing the air, and then accelerating it in an electric field. But I suppose that would probably be an unsafe design.
Not sure why I watched this video but I found Cody. So worth it.
Same, I thought it worked in a similar manner to ion propulsion like NASA's NSTAR
Hey Cody! I’m a big fan(heh) of your channel. Watched this video because it was on my recommended list, and saw you, so I had to reply to your comment even though it has nothing to do with what you were saying. Anyways, I’m always looking forwards to your videos, and I can say that I’ve learned more from you than any of my science classes. You’re awesome. Keep it up.
You know what else is a lie? My life
Tykkään nimestäsi.
Can it, there are 8 billion people on this planet we all have problems, no one likes a complainer
So, like the bladeless fan, your life also blows.
This is so sad.
I see you on every video I watch, I guess we have similar interests
I think a "Bladeless fans don't work the way you think they do" would be a more apt title
Bladeless fans?
Next invention: *screenless TVs*
Screenless TVs actually have screens, but they're internal and you can't see them.
Next Invention, Non-Sticky Tape.
So... a projector?
It’s called a projector 📽 they’ve been around for over 100 years
Yes ,screenless TV. I call it ta da the RADIO!
Good info but “lie” is misleading
They have fins...not the same as blades.
SaintQ Yes but the main focus of this video is how the fan uses the Bernoulli principle to move air and not about it’s lack of blades. Saying it’s a lie is just an attempt at spicing up the title and not very relevant
@@saintq3888 the impeller used has blades
@@shaneebahera8566 Could be, not familiar with that model. From what it was shown they looked like fins, not blades. You can add fins to a blade but not a blade to a fin.
@@saintq3888 yes, let's argue semantics. That makes the difference. Are we really going to argue that they work differently from another in any meaningful way? Blade, fin, what have you... Moves the air in the same damn way.
“This fan is for entrainment purposes only “lol
I just always assumed it blew air around exactly like a regular fan, but it really does use some really interesting physics & physical properties of air to do its job. Surprisingly fascinating from such a short video. This is why I love this channel :)
This is how celebrities must feel.
During hard times, when needed most, they find out their fans are a lie.
OHHHHHHHHHHHHH
I love the way Dyson tried (and generally succeeded) in claiming he invented this thing - 30 years after Toshiba first created them!
well first Toshiba had to fail in that, as they had to stop manufacturing them since nobody wanted them even if it DID work, what Dyson did was improve on that design (basically all related to the surface on which the air comes out which improves its efficiency, and over multiple iterations kept improving on other subjects like the noise) it's not like he just bought a bunch of 30 year old fans and slapped his name on them
@@VGInterviews He still claimed to have invented it until the patent search upended that. No one was claiming he didn't improve that, everyone stands on the shoulders of giants. Even the original bagless vacuum was based on an existing idea.
But how efficient is this vs a conventional fan?
Yeah that's what I wanna know
@@GeneralZap she said the fan blows 20x what it takes through the bottom, not how it compares to bladed fans
Very efficient... Lots more efficient than driving propellers.
Makes you wonder why nobody invented them in the 1920's. Its not like they didn't understand how it would work.
pendle less air with more pressure. So the Energy to create it might be the same or even more than for a conventional fan...
What do you consider efficient? Power usage? Or CFM, the volume of air being moved? Like are you asking which one feels better to cool your sweaty nuts on a hot day? Pretty sure the major advantage to the blade-less fan is keeping the tips of the propeller blades from flapping and chopping at the air in a blunt fashion.
Bladeless fans aren't as strong as normal ones but cost double to triple the amount in price.
At least when you throw your poop in them it doesn't get everywhere...
Triple?! More like twenty times (£300 Dyson vs £15 supermarket)
@KNACK 2 THA FUTURE "cooler"?
It makes you look like a knob.
@@biggusdickusiv5883, and if you buy many of them you can make a highway for balloons and paper planes.
@@JNCressey That actually sounds like an unreasonably expensive and fun science project
You know, I think a more appropriate (and less clickbaity) title would have been "How Bladeless Fans ACTUALLY work" or at least "Why the companies' explanation on Bladeless Fans is wrong"
Calling Bladeless Fans a lie just make it seem that they don't produce wind at all.
There's two terms in the description of the fan - one is incorrect. You can call it a lie, marketing or whatever you like, but it's not true.
NO IT'S NOT-THE FANS HAVE BLADES, ERGO: NOT BLADELESS!
Damn, I smashed mine on the floor after reading the title.
@@sporehux8344 Caught right in the act!
They went full clickbait on this one
When Dyson's fan first came out, they claimed it worked by using magnetic fields to pull ionized air through, sort of like a rail-gun. ¬_¬
Dyson has a split personality of an unprincipled endlessly greedy con artist and an inventor.
And the former side is usually winning.
You could do that, but ionizing the air with electricity would make a nasty crackling sound (constant sparks), and no one wants that from a fan.
@@danieljensen2626 real problem is ozone, not the sounds.
Sharper image had an air purifier that was truly bladless.. used ions!
@@danieljensen2626 .. and unhealthy air to breathe.
the title of this video is a lie
this channel is turning into MSNBC, FoxNews and Washington Post. It learns from the best "Journalists"
NO IT'S NOT-THE FANS HAVE BLADES, ERGO: NOT BLADELESS!
Not really
How is it a lie
If it's a lie, then please explain what exactly the thing that moves the air through the fan? Cause it really does look like a fan, with blades, in the base of the fan.
The real "science" of this type of product is the marketing success to get people to spend 10x the cost for a lower performance "fan"...
Thanks to SciShow, I’m that drunk nerd at party explaining bladeless fans..especially in the presence of one.
And everyone around is a better person for hearing you!
r/iamverysmart
Live the dream!
Unless you live in Europe or Asia I don't know how you could watch this video then go to a bar and get drunk within 2 hours and it not even being Sundown yet. Unless you're an alcoholic in which case you should probably stop.
#hotnerd
Kind of a clickbait title... you could have titles this “How Bladeless fans work” and I would just as readily have watched it.
Is it really click bait when it really does say "bladeless" right on the box when it does?
@Sardonicus >"Wireless headphones are a LIE!"
_>three minute video explaining that they actually have wires inside them_
Clickbait via pedantry.
I like how a writer woke up in the morning and chose TRUTH
Bladed fan, level 1 boss
Bladeless fan, level 20 boss
Fanless blade, level 100 boss
*_THAT HOW SCIENCE WORK!_*
Pulse jet does not use any type of fans or turbines
(GOD SCIENCE)
Airless fan, level 100,5 boss
I was wondering where the boss music was coming from, now I know.
it was a klikbeight
A fanless blade is better known as a knife.
Thanks... Now I can diss on my rich neighbours.
"AACTUALLY it isn't bladeless."
Title: Bladeless Fans Are Liars
Video: Bladeless Fans are actually really cool feats of engineering
I was hoping this video was about why Dyson charges $500+ for a fan that doesn't actually work. Instead, I got to learn about how it's not the fan that's a lie, but the video's title.
How so? Bladeless fan contains blades, hence the title is correct
@@gehteuchnixan69 it's sort of saying a can of tuna you've been buying is full lies, then it turns out just that it is engineered in a different way than conventional method that is somewhat better than others
@@aliak530i What. Your "can of tuna" analogy makes no sense.
It's more like: "It's sort of saying a can of tuna you've been buying is full lies," and then it turns out there's no tuna in it even though it smells and tastes like tune, so it's indeed a lie.
she is just explaining that bladeless fans are hidden and it's a lie
You're a science channel. You DON'T NEED CLICK BAIT TITLES. Just call this video 'How do bladeless fans work?' or something! I won't keep watching if you keep treating me like a juvenile.
Marshmallow Pie I don’t think that’s clickbait. It’s supposed to be somewhat funny, as in, you thought there were no blades involved with a blade less fan but there are! I realize it’s your preference, but to me what you’re asking is in the same vein as asking them to talk in a more monotone voice since all we want are the facts and to hell with adding any fun .
What a juvenile thing to say. Irony.
Hey lady, can you tell me how bayblades work?
*beyblades
It annoys me that I know this.
Isn't every ac light secretly a strobe light?
Not so much for incandescents.
They emit light 'coz the filament is hot, and that doesn't react as fast as AC frequencies.
In The Secret House it said that if a housefly looked at an AC bulb it would see the light blinking on and off at a perceptible 60 cycles a second.
@@marccolten9801 fluorescent lights are also ac, i don't think Massimo is referring to those.
Some lights used to give me headaches
but i think they figured all that out
@@nik_kot, but are they even still AC at that point?
Next video will be: there are no babies in baby powders
No, but there might be asbestos.
You are buying the wrong baby powder.
@@EvilDickism which brand has babies in their products?
So to balance it out: the device isn't bladeless, but the fan part is.
it was a klikbeight
No the fan has blades the upper part just doesn't. The whole thing is the fan lol
It's essentially a normal fan that is being being funneled through a device that looks like the perimeter of another fan.
Well not entirely true that there exist no fans without blades. There exist something called solid state fans that relies on electro-aerodynamic pumping just that you cant buy them in a store. The ide is to use them to cool small electronics without the need for spinning fans.
Yes they are trying to make self contained or mostly self contained cpap devices using that technology.
I too enjoy spending $300 on a fan that does nothing a $15 one can't.
We get it cos there's no blades
@The Real Snowy not ones that will hurt Ur fingers
@The Real Snowy not me, but there people out there!
The blades on Conventional fans tend to get very dusty and produce more sound.
@@roryyymercury8709 Yes but thats not a reason for you not to buy one of
The important part is that the blade is concealed where you can't touch it. You can pick up the device by the rim and move it while it is still on.
like you can do with a normal fan by using its build in handle? I like bladeless fan, but I don't get why most of them are highly overpriced considering there's pretty much no difference in materials and technology compared to a regular fan.
Okay... so it's basically Dyson's way of spreading out the area of a small turbine used in their vacuum into something large enough to be a "Desk Fan".
Except that it's way more efficient than simply spreading it out.... what she was describing is called the venturi effect, and it's using the the column of air from the turbine to suck in air rather than blades.... she did say, the fan outputs 10 to 20 times as much air as the turbine actually pushes, because it's not actually being spread out, it's cleverly using the properties of fluids to get more for less
Makes you question the effectiveness of the air filtering versions of blade less fans, only 5-10% of the air would be filtered then
So the quick explanation is “there’s a fan in the base and the ring is actually a Venturi
Yeah, pretty much exactly what it is.
A Venturi in reverse :-)
a what? need a whole other scishow video for venturi lol
I have one, and since I hate sounds, this is pure love. These fans are amazing.
Sounds are love.
You hate love, lovehater!
@@boomko1253 me too, even in winter
If this is all they are, they probably shouldn't cost as much as they do. But I guess it's still impressive how quiet and efficient they are.
Lot more material, engineering, and precision work than the usual motor with 5 cent blades on a stick. Still, if you dont go for a dyson or something, they arent *crazy* expensive considering theyre in the more "luxury" market.
I got served a dyson air dryer ad before this video this is gold
When did using a catchy title become a crime? All of this "clickbait" histeria is becoming tiresome.
Good video!
some clickbait is terrible, this isn’t really that bad
They're not "a lie." I read that title and I think "Oh so they're just a money-grubbing novelty and don't really do the job of a real fan?" You're in definite clickbait territory now.
They're not bladeless. Not that hard to figure out.
They're more bladeless than other fans.
Is it moving a greater volume of air (compared to a standard fan of the same size) while using less/equal amounts of electricity?
"And gets pulled along for the ride"
Sounds like my life
Interesting. Now if you could reverse the process, and have wind passing through the ring which drives a turbine in the base, then you would have the basis of a wind-powered electrical generator, which doesn't chop birds to pieces.
Thank you so much for uploading this video. It is helping me to get through the pandemic!
That’s like a legless chair
A beanbag chair?
Ottoman?
A solid block?
A wheelchair?
It’s called a rope swing
*Dyson has left the chat*
I think it’s called that more in the spirit of what it’s accomplishing which is not having the blades exposed. Mainly for children and such
I beleive its called the Coanda effect and its not really a lie.
It's both, Coanda and Bernoulli. But they still use a bladed fan , it's just hidden.
The Coanda effect is achievable by other means than using a fan, so it is a lie to call it a "bladeless" fan. A common commercially available air nozzle uses the Coanda effect to result in a greater volume of air being blown away from the nozzle than the amount of compressed air going into the nozzle by shaping the nozzle in such a manner that the exiting compressed air entrains the surrounding air to flow the in the same direction.
Sardonicus they call it bladeless due to its appearance
Sardonicus they don’t mention it because people don’t really care, as do I. It’s quieter and more efficient and that’s what i care about
Hypotheticals Dept.: Hmm, "Coanda effect"; very interesting. If, as commonly referenced, "blow jobs" were in fact aptly named... and 'Coanda effect blow jobs' were a thing... then I'll bet people would finally stop complaining about the cost premium!
Is it odd that elegant design like this makes me very happy?
I had one of these, the large living room version. They lack power and do more noise than normal fans, but the flow of air feels better. So make your choice. Old is still gold.
Me reading videos title: Ha, I knew there was trickery afoot.
Me after watching video: So, they still work, but they're not truly bladeless?
It’s a “squirrel cage” fan in the base, very common in computers, a ring shaped fan with many tiny bladelets
Actually, it was an impeller design. Similar to the intake blades on a turbocharger. Very efficient, but actually very loud if not encased properly. Squirrel Cages are much less efficient, but on the other hand much quieter.
You can witness the bernoulli effect using a (clean) garbage bag. Try blowing into the opening with you mouth pressed against the bag. Then, while keeping your hands the same so that the opening remains the same, hold the bag about 6 inches from your mouth and blow. The bag will fill significantly faster because of the bernoulli effect.
Technically it’s an impeller
technically the impellers used in the fan have blades
These fans might have a sneaky name but they are very useful to have if you have small children and pets that you don't really want to get minced by a conventional fan.
H... have people forgotten fan cages exist? The funny metal part that keeps your fingers out of the big air propeller???
Yeah and that they're are usually made of flexible plastic, so the if a blade does hit you, the most it would do to you is bruising.
I have one of these, and could not handle sleeping in summer without it. It is quite, and above all has a VERY low speed. We have a ceiling fan, but it blows down and blows too much air, like a whirlwind. I've used box and pedestal fans, they also are too strong, and noisy. I have never used a higher setting than 01 with one of these, and it is great. Just a gentle quite breeze to keep you from having a sweat bath while trying to sleep. Great for 30 Celsius nights here Down Under, like right now!
I would like to know the efficiency of these fans. 10x more air? 10x more powerful?
@@SimonWoodburyForget Hmmm, So bladeless fans looks cool, but inefficient. That makes sense why there aren't any bladeless helicopters or jet fans. Thanks for the answer!
I heard that the base is filled with thousands of bees flapping their wings.
And the resulting 'air boost' causes the ring to expel cool air upon the user.
And the occasional drop of honey
What is meant is that the Exhaust Enclosure where the airflow comes from, and is where airflow is centered, does not have a fan inside its interior. Its that round, or (sometimes) oblong, enclosure that is actually blade-free.
The original selling point was from the safety angle - a child could be poking their hand inside the circumference of this feature without being struck by a swift rotating blade as they would with a conventional fan.
Anyone else thought by reading the title that this was reviewing a scam product that didn't blow air at you at all? Lol
Yes, the title is 100% misleading!
It's cool because it blows
im sorry
Pinochet underrated CZcams comment
But the price really sucks.
Sir Dyson explained this over 10 years ago and showed the inside of the fan.
Yes he did and he did a better job of it.
czcams.com/video/8he8afjQyd8/video.html
wish these type of fans where more mainstream there a hell of a lot more safer then normal fan especially with kids around only problem is they cost well over $300.
Customer: Bladeless fan? wow! how does it work?
Fan seller: Well... this revolutionary technology works with-
SciShow: WITH LIES!!!
I just imagine all the hosts of SciShow suddenly busting in and shouting that last part in unison.
@@GrowingViolet haha
We have one of these (it also heats) very nice been using it for years. The back and forth thing stopped working but we didn't really need that. It still cools and heats just fine.
Really I thought the cake was a lie
Did this comment come out of a time machine?
well there WAS a cake!....like 80 to a couple of hundrets years ago...no1 knows really!
The cake is a lie. SMH
1:49 "A bladeless fan can blow about 10 or 20 times more air than it takes through the base"
While costing about 25 to 50 times more than a conventional fan.
I got a good one for $50.25.
Ok. I thought it was a silly gimmic at first, but now you have sold me this fan.
Whats next, bladeless knifes?
Knives, not knifes.
Content was cool, clickbait title less so
Viktor Aitmatov oh yeah yeah. Yeah?
So just like every other video they have?
There are actually bladeless fans which use compressed air rather than a fan or turbine in a base. They have been used for industrial applications for decades, especially in areas where a spark from an electric motor or associated wiring could cause an explosion or fire.
You have perfectly good content on this channel, that viewers like me will naturally enjoy watching. Don't take away from it with click-baity titles like this, please!
Dyson lied to me? Revenge!!!😠
ALSO: congrats on the 👶, Olivia!
Not exactly, bladeless fan means that you dont have to have a big fan blades like convetional electric fans have. Thats why they called it bladeless. I dont know whats a lie on it.
@@Juanceesaint Then you should look up the word "facetious".
I prefer to call it sorcery
*I always feel so dumb after watching videos like these.*
Do you feel dumb before watching videos like that?
jrregan , it’s just the way she talks
Park Jimin • 박지민 nah i think you just are dumb
@@jasongermany5786 Alrighty then, buddy.
@@twitkh6924 Is that right? What have you done in your lifetime that makes you Einstein?
I'm not aware of anyone stupid enough to truly believe that the bladeless fan has no blades. Obvious clickbait is obvious.
I thought it opened a portal to somewhere windy.
I know a guy that actually opened a lawsuit against Dyson because it had a fan in the base.
@@tealthen that's what happens when you let schools teach what to think and not how to think. Seriously, we have a congresswoman that is so stupid she is making blonde jokes obsolete
@@tealthen please, I've seen the picture. NASA takes it down at night.
Im that stupid
They're far worse for noise than normal fans. That motor on the floor causes low frequency vibrations that travel further than a normal fan. A normal fan is silent from the next room, but a "blade less" fan will cause a really annoying low hum. Source : am trying to sleep right now but neighbours have a Dyson fan on and I can hear it and can't sleep.
Yeah, then jet planes aren't jet planes either, they are propeller planes with hidden propellers.
Not a big fan of those titles...
The law of conservation of energy states you cant get out more energy than you put in. Those base fans are using just as much energy to move the same mass of air as a bladed fan would, regardless of how swirly or bernoulli the resultant air is.
It is bladeless in the sense that there is no exposed blades like a normal fan 🤦♂️
By your underlying logic, unless you charge an electric car from solar, it isn't actually an electric car 🤷♂️
no a solar car
In the same way a solar-powered electric car is still an electric car, well... a "blade-powered" fan is still a blade fan.