How Does The Self-righting Cup Work? (I Tested All The Standing Desks)
2024 ж. 14 Мам.
308 751 Рет қаралды
FlexiSpot: www.flexispot.com/flexispot-b...
Fully Jarvis: store.hermanmiller.com/standi...
Uplift: www.upliftdesk.com/uplift-v2-...
Autonomous: www.autonomous.ai/standing-de...
SecretLab: secretlab.sg/products/magnus-pro
Vari: www.vari.com/electric-standin...
STL File for the cup: www.thingiverse.com/thing:619...
In this video I talk about stability and center of gravity
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The error on the motor might be a feature to prevent damage. If other desks don't have that, then it should be tested to see which one has the longest lifespan with continuous heavy loads.
The more important question: who's constantly moving heavy objects up using a *desk*?
@@nourgaser6838 hacksmith
Or a fail-safe!
@@nourgaser6838 people with pc, triple monitors etc on top
The fact that other desks didn't show an error may just as well mean that their motors are made for higher load, with the error just appearing at a higher value. Except that one desk that noped without any warning... With this presentation (cause it's by no means a 'test'), there is just no way to say.
The Slip vs Tip portion reminded me of one of my huge pet peeves for some reason. And that is electronics that are so light, that pressing the buttons requires more force then the thing weighs. So when you press the power button, it just slides back, and possibly right off the back of the shelf. Or if it's a tall device, it tips over. Will it slip or tip? So a simple, one-finger action becomes a two-handed affair. One hand to press down on the item and the other to press the button. Or use a kind of grip method. 4 fingers on top, and thumb to use the button by using a grip or squeeze action with one hand. My dad used to have a DVD player that sat in a low-profile, little cubbyhole slot in his TV stand. You had to wedge a finger beside it, and jam it to one side to press the power button or to open the disc tray. If you didn't, you had to pull the whole stand away from the wall and reach in from behind to shove the lightweight piece of crap back to the front of the shelf. I don't remember how many times we were pulling that stand out to shove the player back up. Eventually he put double-sided tape on the feet of the darn thing. Then there is the fact that it is often the case where the wires required for the device are heavier than the device itself, and it adds to the movement when pressing the buttons or even causes the device to lift up in the front or be dragged back by the weight of the wires. Again the DVD player suffered this as well. Both are utterly frustrating.
*So true!!!*
To be fair, if a desk tips instead of slipping then it won't move from its position as long as it never fully falls over. Meanwhile a slippy desk will be constantly sliding all over the room so you have to keep moving it back.
i have no brain
That can be a plus, depending on your needs. Sometimes you need it to move. Sometimes you need it to stay put.
@@taitano12 if we need to move, put wheels under it...don't make it slippery, it will damage the floor..
@@vaisakhkm783 never damage the floor … 9th law in physicses
@@joe_croupier it's called vaisakh's law
I really love silly thought experiments made into basically useless items.
Useless? It is literally self-righting
@@Joe-md7uc”basically” useless.
Well it's good, people will stop wasting water and start drinking full cup
Well, the cup that stands up when full could make for really impressive cocktail pours at the bar. It's the right size for a double shot and some juice etc. You could pour the cocktail and the bar guest is meant to drink it all in one go.
Cup could hold a fire retardant that evaporates with heat. If fire is present, the retardant will evaporate, tilting the remains onto the fire. Could also be used to tilt a liquid that dissolves some membrane that is perhaps holding back a fire retardant. The idea being that it requires no power and allows for more complex actions than a simple sprinkler system that locally activates on direct contact with heat
A sponsorship in search of a science video.
I think a little discussion of density and how it affects center of gravity would have been meaningful to this video. These desks use the same technology as a portable basketball goal that you fill with water or sand.
The top heavy vs bottom heavy of other brands really does make a difference. Thank you for this.
FINALLY!!! Stability is really important for me because otherwise the motion of the monitor gets me really dizzy and that's an useless setup, so I've been looking for stable high (80cm) tables for a long time and it is a test that nobody does or shows the difference with other tables. Thank you so much
This is so much fun, my physics classes are coming in useful, I recognized the static friction coefficient. I liked the secret, it's seemingly functional and aesthetically pleasing.
Love your videos man! Keep up the good work!
Ehm okay, so about the tipping of the desks, did you also look at the bottom of the legs? Maybe some desks have rubber feet, which increases tipping risk, and other may have hard plastic, which makes it harder to tip, and easier so slide around.
Looking at the price points they probably all have rubber feet. Some are just top heavy.
thats a good point. I just used what was the natural legs of each desk. But a more fair test would have been to place a high friction bottom on each of the legs of each desk. But I wanted this to be a fresh out-of-the-box test on how stable each desk felt. As we saw in the video, tipping is very dependant on the surface it is on and the frictional coefficent.
@@TheActionLabwho is actually going to tip a desk though? I've never heard of that happening? What is the build quality?
@@redrob6026 standing desks are more top heavy than sitting desk designs. Add a big monitor and it's another lever that multiplies tipping forces. Some people may also use these for 3D printing. Tipping and wobbling turn into extra flex and noise that can effect both quality and quality of life! Also, who is going to tip a desk? Humans vary. My nephew can tip a dinner plate over.
Wow this is a product experiment video! Lots of free body diagrams!
Wish you would also address how the table leg's base length effects tipping because of leverage
Thanks for the info. I need a desk that I can easily flip over in a fit of rage whenever I get frustrated with my work.
have you tried with liquids different of densities? it is still pretty amazing
😮great info
I have a Flexispot standing desk that I use literally every day, and I love it! My previous employer gave a Christmas gift every year, and I chose my Flexispot from their catalog for Christmas 2019. It's really the best working desk I've ever used. It's very stable, and goes from 28" all the way up to 42", which is too high for me me anyway. A standing height of 39" is perfect for me.
you and the prince rupert drop guy would be a great duo. 😂 also can you make a science experiment using this? > 🗿 also thank you for everything. i’ve watched you for about 1 or 2 years so far and enjoy the content you make.
that guy prince rupert drop ... he crazy man !! He lives on prince rupert drops ha ah ha ha ha ! legend
Awesome demonstration of empty desks o) Too bad center of mass and friction to the floor changes when you place your monitors on them.
Always interesting.
I just want to know who’s out there tipping over expensive desks
I got a cheap sit stand off Amazon and tossed a cheap sheet of wood on top. Lil side to side wiggle if I'm looking for it but practical all around. I'm not lifting 100s of pounds but I spent maybe 1/5th
The selfless cup: The sequel you’ve all been waiting for
Fresh Air Always Guards the Principles At Play ; or At least the Known Chemistry of the Compound Analysis. Great Observations @ActionLab . Always a Pleasure ☀️
uh can you stop?
The other aspect of tipping a desk like that is that the force applied is not limited to being parallel to the floor. If the force vector includes an upward vector component, then it will start to tilt the desk, changing the geometry and force profile along the base.
It's worth noting that a counter to the slipping is the friction of the feet of the desk. If the feet have a non-slip surface that will make it many times harder to slide than tip, regardless of the rest of the structure due to the friction against the ground. The FlexiSpot desk sounded like metal-scraping, implying little to no friction coating. Most people will have the desk against a surface, will have additional weight on it that makes it harder to tip on accident, and don't exactly want their desk to slide around. The better measurement would have been to increase the friction on all desks to the point they all tip, and then measure which desk requires the most force to tip.
Just in time in my recs
my favourite channel
The runtime of this video is more than 50% sponsored content. This is an ad masquerading as a video
HUH
@@xenferhon I swear I saw you comment on a all my fellas video
Everything is an these days. Where can I buy your comments
Skip ads or end video if they appear at the end. Wasn't that easy?
@@nathandean4412you’re comment is a bit sloppy as many people may not identify this as an when it’s intentionally created to appear as science content. The issue here is the deception not the Ad.
All I wanted for Christmas was a tipping cow video. The video that Santa brought:
This reminds me of James Bruton’s gyroscopic robot videos which would be a perfect companion to this video
Best prank on your friends😂😂
0:55 actually it tips over due to the center of masses relation to center of contact … plus friction on that point of contact also current velocity and how much mass is on that point of contact also is it spinning or not if so what direction how heavy is the outer mass compared to the inner mass where are you pushing it in relation to the point of contact where is the center of mass lower or higher??
Action Lab gives homework too now; very nice 😂
The more this video went on, the more it tipped into an ad
Favorite saloon owner shot cup. (first one)
The Action Lab is trying some Project Farm content. I'm here for it.
The Flexispot motors seemed as if they were barely able to lift 325 pounds, while the Jarvis one sounded as if it didn't struggle at all with the weight. The Yari was about the same as the Flexispot (if not a tiny bit less strained-sounding). The other ones are out of the race because they gave up. So if I had to choose one of them purely based on their lifting capacity I would choose the Jarvis one.
Agreed. Of course, I don’t know about you or Mr. Lab, but I don’t need my desk to be able to lift 325 pounds! :)
hello Lampe, We are happy that you noticed this issue. Our motor has overload protection and will maintain at a particular power level when its load over 330 lbs (actually 370 lbs with the top) to ensure its long performance. Our motor can raise 500 with canceling that protection mechanism but it will definitely shorten its service life.
Hello @@flexispotus! The lifting capacity on top of the desktop is 330lbs? Then it's no wonder the motors sounded overloaded with almost that :) The Jarvis table has the higher lifting capacity, at least judging by the relaxed sound of the motors and the speed it went up. I will probably never buy any of these desks, as I don't need an adjustable desk, my wooden IKEA desk is a perfect fit for me.
Slippy/tippy coefficient is different on carpet like my office due to change in friction.
There's a difference between an impulse push and a slow sustained force.
That slip or tip stuff is important. I’d be dead if my car had tipped instead of sliding.
Standing desk review, but make it a physics lesson. 😂
Home parties should have cups like this ones for taking shots of tequila 😂
Perfect shot glass
In a nutshell: its all about the weight, when pour in water in a sphere without the top it gains weight so it will stay up right. But when you pour weight in one side the sphere will tip over to the weight. [Note] I didn't watch the full video but that's my guess. He's saying about center of mass and other stuff
Good 4 u! Using science to score some free stuff!
good Episode of the Action Ad :3 just tip the desks over with an impulse push
Pretty happy with my DESKY.
Where can I buy those?
You like jarvis the best for sure
STL of the gray cup?
You can use it as a mechanical sensor
Is that resin food-safe?
"How self-righting cups work?" *tests standing desks*
What is the honeycomb thing in the wall? What does it do?
Could probably market some "Tilted Shot Glasses" with this idea, so they self-upright themselves when you pour a shot and flip over when someone puts it down after taking the shot.
Sooo, it's kinda the opposite of the greedy cup, or a greedy cup that forces you to be greedy?
But if I just take a “drink from it”(pours water into glass) (jump cuts) 0:19
that is weird and interesting with the cups and wow on all the desks
These cops would be funny to pull pranks on people with LOL
Sir,is centre of gravity same as centre of mass?
Common conversation uses them interchangeably, but no. Center of mass (CM) is where the object's mass is evenly distributed...it would always rotate around this point if floating in a vacuum without gravity. This point does not change in a rigid body, but can shift in a flexible body. Center of gravity (CG) is the average of gravitational forces, dependent on both gravity and movement. If a spacecraft is flying to the moon, the moon's gravity makes the part of the craft facing it lighter relative to Earth. This pushes the CG towards Earth and away from the CM. The engine firing also shifts CG away from CM by creating acceleration and an artificial gravity force. Your CM and CG move together outside you when you bend over to pick something up. They wander apart if you bend too far and start falling.
do you reckon when he plays an mmorpg he puts the eye slider all the way to the left during character creation?
This is a mostly sponsored video, but I like the way it was done where they asked you to do real science on their product vs. competitor's products and even didn't insist you say theirs was the best. That in itself means they truly stand behind their product. Most of your sponsorships they ask you to read a script. Also, I didn't know you had a son. How old is he, considering he's already using blender?
Its an Ad..
@@sgramstrup at least it's for something reputable this time!
@mike11986 This is a sad exchange to see. Don't excuse ads.
@@doicaretho6851 Yeah, the creators we watch and enjoy being able to make a living is completely inexcusable. 🙃
those prices are too ridiculously high. none make the cut for that reason.
“And then if I set it down” proceeds to sloppily half drop the cup. Of course it’s gonna spill 😂
mad respect to flexispot for including their competitors desks for a fair competition
0:20 "...but, if I just take a drink from it." *jumpcut* _The glass is fuller than it was before the cut_
That cup would make a good shot glass.
Bolt the desk down to the floor. And don't think too much about it ;-)
5:13 Dads walking into furniture stores
Here's a tip: if you want to tip something, push it at its tip.
there's an easy solution to the tipping problem: just push at the bottom, not the top.
force yourself to drink the entire glass without placing it down 😂
...so basically, this is a shot glass...?
there is 2 type of people The Half Empty and The Half Full also a Half Fool in rare case. this cup do great for Halloween party, for fool and trick
Useful as a shot glass but nothing else!! Lol
Think about the displacement of centroid.
Some of these desks have a high center of gravity. Imagine throwing on some monitors and items and it just makes them even more prone to tipping.
2:39 I'll guess now: either a heavy bottom, or splayed legs.
My comments are getting removed…. Is there a way to contact you? I have a question
i hope you get your answer 3 mil guy.
Hey buddy! Yes, I'll send an email to the email address you have on your KZhead profile presstube@telenet.be
@@TheActionLab Thanks man !!
I guess that check mark means you're important enough to respond to
That's a funny soda!
The desk tipping would have been nicer to watch if you have filmed it from the side.
Slip or tip? Sounds like a game.
Whyyy you taaaalk like thaaaaat
What happened to the beginning of the video?
Made me think of psalm 23 v 5 😊
Perfect for parties when hard liqueur goes in
That cup is just saving energy for work until it needs to.
That's testing. It's not a good way until you mount the monitor to the desk before you do this test. Because these will greatly change how the desk tips slides or moves up-and-down.. I generally use a dual swivel mount 6 to 10 inches centered in on the desk Because nowadays the most common monitors for I do is dual 4K thirty two inch monitors On desk of the Slash and what times I have to put weight in the bottom of the leg on the front side to get a good balance so it doesn't tip over. But as I said, none of the testing is good until you.Determine what monitors and how you're going to mount them.And the whole dynamics of every desk will change.
This would make a good shot glass (if its smaller. You better drink the whole thing or itll spill all over the table.
Greedy cup:Looks like I have got competition
1:03 The moment I recognized this program as Blender.
I clicked thinking it was a "Grand Illusions" video
Woooo blender
I like the Flexispot followed by the Secretlab.
3:05 lower*
Why not get wheels on your desk with stoppers?😅
Because the cups are at a different angle inside & water isn't displaced in a equal form
Imagine combining this with the greedy cup
This is literally a benchmark test.
jarvis was pretty good