Flywheel Battery

Search, collaborate and share your 3D models with Thangs! Start exploring and check out my model at bit.ly/3zlcB6a.
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[@Vvardenfell_Outlander]

If Electroboom has taught me anything it's what a Full Bridge Rectifier does.

[@swordsdboss]

Don't you mean to say... FULL BRIDGE RECTEFIER!

[@realdragon]

Exactly, it's not some dumb single diode rectifier

[@ensoniq2k]

Actually I heard him saying it over and over again but it wasn't until Tom explained it that I knew what it does

[@ST3W101]

Ikr 🤣

[@paddington1670]

Full bridge or no bridge, all the way home

[@GordonKindlmann]

If only there was someone on KZbin with a passion for full bridge rectifiers

[@wvladimir21]

with an unibrow will be perfect

[@commandercody3935]

Would this man be so good instructions and failures at the same time he might shock himself? Idk never heard of someone like that

[@meka-stylz7258]

He should be dad too and do some vids with his child at best a daughter.... so sad that we all dont know such a KZbin :(

[@kingbennon3156]

kzbin.info/www/bejne/qXqYd6ejZpKdn80

[@DerpyUniverse]

It would be cool if he had a magic wand too

[@SirRebrl]

I had one of those levitating desk toys growing up. Mine had LEDs built in that were driven by the spinning of the toy, so it never needed batteries and would illuminate with bright red stripes when spun. The setup you've engineered is pretty awesome!

[@MrSputtel]

I wish this video was available, when I studied electrical engineering. It would have made understanding the concept a lot easier. This is hands down the best explanation of how a full bridge rectifier works, I've have seen. It's rare to see someone who can simplify things so that they are understandable yet not simplified so far that they are essentially wrong. Great job.

[@jeffclark5268]

If you need this overly simple video to understand bridge rectifiers as an electrical engineer then god help us.

[@bassemghorab]

@@jeffclark5268 Get off your high horse Mr Achievements

[@maxzet368]

i'm a bit sad that you didn't use a clip from electroboom for the "FULL BRIDGE RECTIFIER"

[@Ekvorivious]

true... missed opportunity.

[@scar_music9132]

Yes he should have done it

[@bigdatapimp]

I was just about to say the same thing...😪

[@peterjensen6844]

Yup I was going to say the same thing. Or at least apply a similar sound effect

[@josebustamante4276]

+1

[@guilhermerocha2812]

I am starting to think Tom is obsessed with flywheels

[@VR6_SKC]

Nahh I don't see the obsession?? 😂😂

[@DarrinR]

The mind learns something new and then extrapolates

[@somtu3780]

Sir, you are wrong. He surely hates flywheels.

[@sinpi314]

Ofc he is

[@ketsuekikumori9145]

It's a passing phase. Just like how he obsessed about pneumatic contraptions for awhile.

[@beowulf885]

wow this video alone taught me exactly how an alternator generates electricity and how a rectifier can make direct current.

[@nathanjbaptista]

seriously i finally learnt rectifier working here

[@sethr.c1065]

Thanks for really explaining how it all works, electricity has always been that thing I just assume about until it makes sense. Nice to see it so clearly and simply

[@sparrowhawk6822]

I can never hear the term 'full bridge rectifier' without hearing electroboom say it in my head

[@TedSeverin]

Yeah I was almost disappointed he didn't reference Mehdi when he used the term :'D

[@o0ooo0]

U mean a FULL BRIDGE RECTIFIER?

[@darwinsolis6568]

Same here, but he elaborated the concept more comprehensive

[@benthere8051]

The common name is "full-wave rectifier" (FWR). A lot of power is lost in the diodes of an FWR. Transistors can be used instead of diodes with much less loss. This is called a synchronous rectifier.

[@PranshuTheGamer]

@@TedSeverin samr

[@shriker5969]

The word "Full bridge rectifier" needs a little more emphasis.

[@MrRendiz]

*stares in Mehdi*

[@CheekiBreeki-mq2my]

FOOOOOOOOOOOOOOOOOOOL BRIDGE RECTIIFIAAAAAAAAAAAAAAAAAAAAAAAA

[@mulpomo8133]

Summon mehdii

[@rehanadeel198]

**Summon Mehdi**

[@chemistry4life]

When I saw the words I was afraid mehdi would jump out

[@JonPrevost]

In 1995, I was a young "lad" just visiting a foreign country (England, London) for the first time, and wouldn't you know, the device displayed @ 1:38 had me captivated. I was only 15, but between this device and some lego's before a trip to Bath... amazing life experience. My grandmother took me and for some odd, but likely predictable reason, this kind of video triggers in me a great sense of appreciation. I wish you the best Tom. Lots of love and admiration for your efforts. I just hope you spend a fraction of a time wondering what some of your viewers have experienced... because it's pretty damn amazing to share these kinds of experiences.

[@ndipse.3606]

This is the first time I've gotten full clarity on a full bridge rectifier, you've earned my follow

[@hapybratt8640]

"This method of levitation was heavily inspired by this small toilet I bought off Amazon."

[@charlotteathena]

I am so confused at this line

[@HelloKittyFanMan.]

That's not what he said.

[@fburton8]

That's what I heard too. Subtitles agree.

[@HelloKittyFanMan.]

@@fburton8: You only _think_ you heard that. But if that's not what he said then it wasn't really there for you to hear.

[@fburton8]

@@HelloKittyFanMan. I create my own reality. You should give it a go!

[@julianhahn01]

Unitl you said "desk toy" I absolutly waited for you to explain, how you'll integrate all that in your bike! :D

[@Karatektus]

Until he said "desk toy" I had no urge to build one myself. :x

[@kcrtxbw.4349]

Next trebuchet build coming up ?

[@epamaarainenroina220]

Flywheels are kinda tricky in vehicles due to conservation of angular momentum.

[@user-bb3wm9io3t]

Tom, This is the best video I've ever seen. Your entire presentation and explanations at each step are spot on and easy to understand. Great job keep up the good work.

[@Tommeke0]

Love it, you made an easy to understand flywheel mechanical battery and by levitating it you decrease the maintenance cost (lubrication) and reduce the friction.

[@MartanJe]

When he showed the diodes. I was already waiting for "FULL BRIDGE RECTIFIER !!!"

[@pedrobluis]

Electroboom rulez!

[@shabbarvejlani]

The moment he said 'Full bridge rectifier' , mehdi sir from electroboom came in front of my eyes 😂

[@bruhpopoppoop2759]

Lmao same

[@andygozzo72]

or bigclive 😉

[@prarabdhabharadwaj4113]

nono it aint full bridge rectifier, it's a FOOL BREEG RECTIFIOR

[@michagabo8819]

When things were at their very worst: 2 Suns, Cross in the sky, 2 comets will collide = don`t be afraid - repent, accept Lord`s Hand of Mercy. Scientists will say it was a global illusion. Beaware - Jesus will never walk in flesh again. After WW3 - rise of the “ man of peace“ from the East = Antichrist - the most powerful, popular, charismatic and influential leader of all time. Many miracles will be attributed to him. He will imitate Jesus in every conceivable way. Don`t trust „pope“ Francis = the False Prophet - will seem to rise from the dead - will unite all Christian Churches and all Religions as one. One World Religion = the seat of the Antichrist. Benedict XVI is the last true pope - will be accused of a crime of which he is totally innocent. "The time for the schism in the Church is almost here and you must get prepared now" Tuesday, 20 March 2012 The Book of Truth

[@Logarithm906]

I just heard him say it in Mehdi's voice xD

[@ellooku]

Very nice concept. I must say, your explanation on how alternator work is the best I have heard so far.

[@joce0993]

Blowing my mind one video a t a time. Well done sir, true inspiration for me!

[@Zippsterman]

'crocodile clips' Makes sense, no reason why they have to be alligators

[@porpyy7043]

Everyone calls them crocodile clips in England

[@LightningHelix101]

I lost it when he said it tho.

[@ooxRAINB0WDASHxoo]

Crocodiles have a long pointed v shaped snout, and alligators have wider rounded U shaped snouts. TECHNICALLY he is using alligator clips. Not crocodile.

[@ishanr8697]

Yeah but it aliterates better and we don't have crocodiles or alligators in the UK so...

[@JonS]

@@ooxRAINB0WDASHxoo No. In the UK they are called crocodile clips.

[@idroppedmypocket]

The good stuff is called “turned ground and polished”. It’s high quality, exact measurement on the o.d., steel rod. Try that for your axis.

[@oadka]

get this comment more likes and replies so that tom can see it!

[@AcTpaxaHeu]

May be it would have been better to use a bad, unstraight axis and achieve higher rpm than resonance. After resonance frequency rotor would balance itself. With bad axis resonance frequency is lower so it is easier to overcome

[@aronseptianto8142]

still wouldn't work if we warp it when trying to insert the flywheel

[@DafyddValValient]

@@oadka No you didn't even do any capitals or ask nice. :P

[@Lord_Verminaard]

Also wondering if he could use opposing force magnets on the ends of the rod to locate it, eliminating all points of friction.

[@timburns9754]

I cannot express how inspiring this video has been. I’m curious if you ever measured the power you could get out of the generator for a given flywheel rotational speed. It would be great to see you take some measurements (volts, amps, rpm) and then optimize this similar to the rail gun optimization. Best regards!

[@t.me_s_petizioni_2220]

Che utilità può avere quel generatore? In altri termini: le bobine frenano il volano o no? Se no, l'elettricità prodotta potrebbe essere usata per muovere a sua volta il volano...

[@frankh4069]

Well not much energy is captured in such a small flywheel, when rotated by hand. To get a better feeling for how much effort a human body must spend for an every day job of an electric device. There is a video on KZbin where a cyclist is making a toast using his legs.

[@richardferretti8208]

Videos like this restore my faith in youtube. Great work!

[@greenteagod]

I'm glad that the captions heard what I did too. "Heavily inspired by this small toilet I bought off amazon"

[@peppigue]

Me too. Did he mean toy-let, as in small toy?

[@ElectronMoses]

Same. I too checked the captions just to be sure.

[@alex0589]

i scratched my head so hard my scalp is bleeding

[@DrBe-zn5fv]

akshualley he was referring to the amount of work saved him by such a flywheel perpetual motion engine which he had named the ''Toil IT'' but which isnt for sale

[@joeplavin]

I think he said "toy that"

[@BlauerTeeLp]

I really want tom to short the whole thing so we can see how induction brakes work :D

[@MikhailVladimirov]

It's pretty close to that at 13:10. Notice how it starts wobbling as the motor stops, I think that's due to uneven braking resonating with the magnetic bearing.

[@dogefort8410]

Throw in a mechanism to drag start it like a lawn mower to juice up with extra spinning power, throw on optical rpm counter to know how much energy is in the system at any one moment, and measure the braking current, figure out the force and efficiency of the braking. Bonus. Make a small electric engine for spinning up the disc, charge up a capacitor for braking after it's hit max rpm and use the capacitor to run the electric motor again. Figure out the roundtrip efficiency of the energy storage system from the drop in rpm

[@sbkenn1]

As soon as you draw power, it does that. It doesn't need to be a dead short.

[@BlauerTeeLp]

@@sbkenn1 Yes, sure but the higher the current the more visible the braking

[@mtacoustic1]

I believe the flywheel alternator can also function as a brushless motor with a suitable brushless controller to spin up the flywheel.

[@gabiono7965]

And you could "charge" the flywheel when you have surplus energy and then use it when you have higher energy demand.

[@WhizeCracker]

Thanks, for sharing young man. LOVED, SUBSCRIBED, & DING!!! @13:44 this material is called 80/20 and my boss LOVED it. He made a frame with 80/20 that was 2"x2" and other sizes for a machine that wrapped foam with material that conducts electricity. The newest cell phone, plasma televisions, and even antennas (for GM/NorthStar) use these technologies. Everything needed to make the flexible copper-plated material except the foam was made in-house. Afterward, I was tasked with making maybe30+ more in my six-year stint. They shipped these inexpensive foam wrappers all over the globe. Retired now for 15 years.

[@angycf98]

1:38 "This small toilet I bought of Amazon". You can't unhear it now!

[@timehunter9467]

Dammit...

[@TheDutchFighters]

I heard that the first time, but i didn't knew what he meant. Even the subtitles say he said toilet. Only now i realised...

[@mickg7082]

This was the first time I've ever understood how a full bridge rectifier actually works.

[@albertboaduameyaw8659]

Exactly! Same here.

[@leef_me8112]

6:21 notice the arrangement of the diodes, and the source and load. You can use a bridge to protect the input of your project from reverse polarity, If the battery was installed "the correct way" the power would flow properly. If the battery was installed "the wrong way" the power would STILL flow properly. Unfortunately, there is some voltage loss. Bridges typically use diodes that lose 0.7V each, so 2 * 1.5 = 3V loses possibly 1.4V If you build you own bridge using Schottky diodes the loss is less 0.3 to 0.4V. en.wikipedia.org/wiki/Schottky_diode Note: I previously referred to 4 diodes, which is incorrect

[@leef_me8112]

@@albertboaduameyaw8659 6:21 notice the arrangement of the diodes, and the source and load. You can use a bridge to protect the input of your project from reverse polarity, If the battery was installed "the correct way" the power would flow properly. If the battery was installed "the wrong way" the power would STILL flow properly. Unfortunately, there is some voltage loss. Bridges typically use diodes that lose 0.7V each, so 2 * 1.5 = 3V loses possibly 1.4V If you build you own bridge using Schottky diodes the loss is less 0.3 to 0.4V. en.wikipedia.org/wiki/Schottky_diode Note: I previously referred to 4 diodes, which is incorrect

[@rinndz00]

Yea

[@dantronics1682]

@@leef_me8112 Its not 4 *1.5 since only 2 diodes will conduct at any one time

[@terryhollands2794]

I worked on what was called a peak shaver . It was a 40 ton flywheel connected to a wound rotor motor. The entire system was lifted by hydraulic pressure bearings.

[@runrep1313]

Love that video and Ive watched 1000's. Loved your voice, loved the pace, loved the way you showed us the 'tot model to demo where it was all heading, and the 'make' was good , not too boringly detailed and dragged out, loved the very interesting product. A* all round

[@smitboraniya6752]

WOW, that slow motion of alternator powring LED at 11:17 is so SATISFYING to watch!

[@RodrigoRocha-of2xb]

For those wondering: the alternate current after passing by the bridge rectification will come out as "waves" of positive energy. Those waves are not exactely direct current because it has valleys. Tha'ts what the capacitor is for: storing enought energy to fill the valeys in the time btween waves from the bridge, creating a proper direct and stable positive current.

[@zoohang6963]

Nice

[@fluke9972]

True but it is however exactly direct current. As long as the current doesnt reverse its always direct. No matter how deep the valleys or how high the tops as long as its not crossing the 0V line its always DC.

[@RodrigoRocha-of2xb]

@@fluke9972 you are absolutely right. Poor choice of words from me hehe

[@Phergan]

If only my electrics teacher could have explained it this simply

[@rakgoshilekalakala4578]

Why are the lights still flickering if there's capacitor?

[@sunnymon1436]

First time I've seen anyone explain a full bridge rectifier - so thank you! This contraption makes me thing of old foot powered sewing machines... and how that'd go.

[@SKhandleYT]

Wow the sound of the motor, such a bliss! That is

[@didiwin78]

I felt myself bracing for "FULL BRIDGE RECTIFIER!" when it came up, Thanks ElectroBoom

[@morbitron90]

I was also slightly anxious for a cross-over XD

[@leiflang8097]

Same!

[@zerobyte1024]

I was searching for this comment. Didn't have to scroll down too much :)

[@rayantovi]

LMFAO same

[@TonesOfYou]

I was waiting for that sweet sweet unibrow

[@cyn1kal]

“But we also need something to turn the alternating current to direct current.” The ElectroBoom living in my head: *foaming at the mouth*

[@DrBe-zn5fv]

ACDC now qualifies as hate speech, beware the www stasi

[@silience4095]

@@DrBe-zn5fv What... ?!?!

[@MaxLai_0104]

The electric diagram was easy to understand and follow, which is rare usually. Great job on the video!

[@jontsang7334]

This is what a future home/house energy storage system looks like.

[@MetalAsFork]

Not likely.

[@BatuhanD.]

Electroboom will be proud when he sees the full bridge rectifier!

[@tvcomputer1321]

i finally know what it means lol

[@ThePixel1983]

Except I *really* expected to see him say the words!

[@TRF_U]

@@ThePixel1983 Same here, I expected to see a cut of his "FULL BRIDGE RECTIFIER!!!"

[@Warhawk76]

FULL BRIDGE RECTIFIER!! ElectroBOOM would be so proud

[@diffcultsentenc2read]

Did you try measuring how long it spins with and without a load?

[@waspbloke]

I wondered that too. The greater the load, the fewer revolutions. If you take a ton of rechargeable gadgets on a road trip, your fuel economy will suffer.

[@SIKZONER]

@@waspbloke why is that?!

[@lii1Il]

I would love to see a hybrid using a windmill that turns the flywheel, stabilizing unstable wind speeds, but used to create heat such as to heat water and this to heat a space like a room or a house 🏡. That would be real cool!!!

[@AsymptoteInverse]

Since I'm the "push it until something breaks" type, all I can think is "I wonder how fast it'd spin if he spun it up with an air compressor..."

[@I-0-0-I]

I was thinking: how much more efficient would it be operating in a vacuum? We need both questions answered.

[@duckypolice]

yes

[@bertjesklotepino]

@@ericlotze7724 i dont think they use hydrogen though. Kinda explosive.

[@ericlotze7724]

@@bertjesklotepino This is overstated in the public, and MANY industrial gasses are explosive/flammable (see petrochemical / crude oil distillation industry etc) It is all about safety systems etc, and even then pressure, and fuel-air mixture/ventilation are factors (a propane stove blowing out a match in a shed vs outside with a gentle breeze, which will produce more of an explosion when the next match is lit and that cloud forming ignites etc) Hydrogen-cooled turbo generators are a similar application. People probably tend to use helium, but hydrogen is "faster" if that makes any sense (granted i am not an expert, just a nerd, so if anyone has more on this subject i'd love to hear more (i *love* FES as a concept) )

[@michiganengineer8621]

@@I-0-0-I Commercial flywheel backup systems are in vacuum cans. Quite efficient, a little more expensive (if I'm remembering correctly the quote we got a year and a half ago) than a battery back up system of the same capacity. On the other hand, you never need to replace your UPS batteries!

[@TheArmyofWin]

>Flywheel powering small motor Well, that’s the strangest gear ratio setup I’ve seen

[@Crisdapari]

I'm amazed with this 3D graphics!!! I love the Bridge rectifier explanation!!!

[@ShafaqIftikhar-pw9ld]

Lovely project thank you for the upload!

[@cereal4287]

Electroboom fans hearing the words "full bridge rectifier": ☠

[@nicojansenvanvuuren2745]

you mean "FULL BRIDGE RECTIFIER!!!"

[@cereal4287]

@@nicojansenvanvuuren2745 YES

[@muchtall]

Fear the unibrow!

[@jaxonsandwith502]

10/10

[@SubNano144]

I've only watched a handful of Electroboom videos and I couldn't even hear the phrase without hearing a loud echo in my head in his voice. 😂

[@Nighthawkinlight]

This is such a cool project.

[@THESLlCK]

This is such a bland comment. Especially coming from someone as talented and intelligent as yourself. Edit: for all the pissheads below that don’t get the point of my comment, it’s a spambot

[@TechGorilla1987]

Such a cool KZbinr visiting an equally cool KZbinr.

[@Monkey_D_Luffy56]

Why doesn't white phosphorus reacts when stored with water ? But it can react on the oxygen in air. I saw it from one of Nile Red shorts

[@eletronicajc]

Yes very cool, amazing

[@petergoestohollywood382]

@@Monkey_D_Luffy56 I’d guess it can’t because water is too inert, and under normal circumstances the phosphorus has not enough energy available that could break the covalent bond of the water molecule and free the oxygen. Someone with more sophisticated chemistry background please correct me if I’m wrong.

[@rwo6211]

Wow! This is such a timely and informative project for average people like me as the world presently seeks to move from non-renewable CO2 emitting energy to renewable clean energy (whose main challenge right now is the storage of solar/wind/water/etc produced energy). With the present crunch on battery storage demand, this simplified (but incredibly timely and significant) model has really given us all some basic perspectives of what could be a planet saving method of energy storage (Flywheel Energy Storage Systems).. PS. Sorry my comment is over 1 year later!

[@erwinresearch9224]

Great explanation and presentation (also dialectical way of lecturing, 3D visualization). Thank you!

[@claneksi3]

5:56 can't help hearing this in Mehdi's voice

[@AlessandroMassarenti]

I was waiting to hear Mehdi scream that, ahah.

[@fabianmerki4222]

*** full bridge rectifier! ***

[@connorlewis984]

@@fabianmerki4222 FOOL BRIDGE REHCTIFIAH!

[@Jonmal0ne]

Same ahah

[@antondemeyer5755]

as someone without an engineering background but very interested in it, these visualisations of basic electrical concepts are really great !! Very easy to understand and nice to look at :)

[@jerrylongman2338]

Wow your explanations are simply awesome! So glad I found this channel

[@zaiohellgren9266]

Thanks for the incredibly wel explained video, makes me understand things ive struggled with understaning for some time

[@natanh4h453]

when he speaking about converting AC to DC, my mind already screaming "F U L L B R I D G E R E C T I F I E R"

[@N1lav]

I just can't imagine someone saying "full bridge rectifier" without recalling Mehdi's *FULL BRIDGE RECTIFIER*

[@firesyde424]

It sounds very proper and precise when Tom says it, but I think Electroboom should just trademark the phrase because that all I hear.

[@WeighedWilson]

Rectum fryer

[@EzeePosseTV]

A fule brreedge rectafyahh

[@woodzyfox4735]

Love your fun concept! measure your drill battery charge level before and after you spin it up, and also measure the total output from the fly wheel all the way to the point it stop spinning :)

[@andyf]

Excellent explanation of the FOOL BRIDGE RECTIFIER!

[@BaronParabola]

To straighten a shaft in a lathe : spin at around 500rpm. Start with about a hands width protruding from the chuck. Check for wobble and pull the bar towards you. You will feel the bar vibrate as you pull the bar past centre slightly. Do it the right amount and you will overcome the tensile strength of the material just enough for it to remain on center. Pull the rod out another hands width and repeat. Always check by rolling the bar on a known flat surface. Wet hands for extra lubrication.

[@beavis6363]

Ummm, or just use a dial indicator. My old boss taught me the quickest way to get something roughed in is to use a sharpie and brush the high spot as object spins. Benn a machinist for about thirty years. His best bet is to cut off the shaft , drill out the center, and bush it for a new shaft. Pity it warped on him.

[@ianlainchbury]

I would say never put your hands near a lathe spinning material at 500rpm. Better to buy silver steel which should be true

[@frostedlambs]

@@ianlainchbury what about with leather gloves

[@ianlainchbury]

@@frostedlambs Never wear gloves when using a lathe. The gloves can wrap round the part and pull you in.

[@tomasotreasaigh111]

@@ianlainchbury That is a lesson that you do NOT want to learn the hard way, I have seen people getting degloved doing that as well... OUCH!

[@smartereveryday]

Dude I love your videos so much. Happy to be a Patron!

[@billskinny7639]

I love your videos too 👍

[@abswaabswa1449]

My coment was removed .. did you notic that ??

[@drink15]

So wait, if he joins your Patron, would that cause some kind of Thanos level event? Would the laws of physics allow it? So many questions…

[@squ1dd13]

@@drink15 no, dw

[@smitboraniya6752]

I am glad to see you here Destin.

[@andrewmcmahon6432]

Great video, I am currently studying electricity generation and distribution as part of an Open University course, we have been looking at flywheels, your video brought to life the dry textbook material I've been reading

[@holyngrace7806]

Excellent demo of a system of energy transforms and storage! WOOT!

[@llawliet1522]

*Medhi voice*: FULL BRIDGE RECTIFIER!!!

[@laserfloyd]

⬆⬆⬆

[@ConstantlyDamaged]

Yessss. I was utterly lost when he said it normally. It was like all the innocence and joy in my life suddenly ceasing. Then I went back and watched that episode with the DC power lines. 𝕄𝕆𝕋ℍ𝔼ℝ 𝕆𝔽 𝔸𝕃𝕃 𝔽𝕌𝕃𝕃𝔼𝕊𝕋 𝔹ℝ𝕀𝔻𝔾𝔼 ℝ𝔼ℂ𝕋𝕀𝔽𝕀𝔼ℝ𝕊!

[@ErikJohnsonFMA]

FULL BRIDGE RECTIFIER!!!

[@kimmonacht6924]

You know electroboom right?😂😂

[@lewallen2897]

I was expecting the comment to be posted by electrobook

[@postualin6551]

THE MOTHER OF FULL BRIDGE RECTIFIERS‼️‼️‼️‼️

[@robertschnobert9090]

Erik Johnson is a time traveler! 🌈

[@matthewfurlani8647]

Whoa easy myg guy..

[@FerdausAlAmin]

Great project for enthusiastic school kids who want to learn more on the subject.. Thank you for the video

[@paveljelinek772]

11:26 a cap in the breadboard in parallel to those leds would help a looooot

[@77gravity]

Now you need circuitry to reverse the alternator, making it a motor to spin up the shaft. This turns it into an actual battery, storing external energy.

[@certifiedpossum1638]

How about: wind powered flywheel

[@vellss3524]

Would that actually work? I'm very interested to see an actual like demonstration

[@Sam-fq5hc]

@@certifiedpossum1638 Yes! But there could be the possibility that it ends up being too heavy to work very well.

[@zbubby1202]

@@Sam-fq5hc No the torque will be a function of the surface area and geometry of the blades. With large enough blades you can power something extremely heavy. That is why industrial wind mills are so freaking massive and ugly

[@zbubby1202]

In the current configuration it is still a battery, the external force is just him. It stores the energy he inputs as kinetic energy and the alternator outputs that as AC

[@ctp_snipecsgomoments7550]

It would be cool to hook that up to a windmill would just have to find a vertical connector for the horizontal shaft. Also, your choice of magnets play a significant role. Achieving over 5 volts with the surface area of those magnets, and strength (looks like n32) by performing on a larger scale you could definitely achieve good results to store power for usage!

[@mister7fiddlesnout]

There are some many things that I can appreciate about this video, thank you!

[@StopTheWorld.I.WantToGetOff]

Anybody else expecting an Electroboom clip to jump out, “Full Bridge Rectifier”. But alas a fine opportunity missed. I’m mildly disappointed 😬

[@Kevin-jz9bg]

Agreed

[@Kevin-jz9bg]

kzbin.info/www/bejne/epqZo4qsrN5jaKs

[@mopartopy]

That would have been cool if it had. When I first saw his magnetic and wire configuration, Electroboom taught me the answer !!FULL BRIDGE RECTIFIER!!

[@thomasng6870]

I started scrolling down to the comments right after he said Full Bridge Rectifier. I was totally expecting a pinned Electroboom post. :|

[@El-Burrito]

Yes haha

[@erikig]

“on my grandads lathe” is so gratifying

[@adamward9310]

Thank you for all yout videos. I have so much fun watching them.

[@BeauPenny]

Been fascinated by this idea for a LONG time!

[@leonardorissato]

I always hear "FUUULLLL BRIDGE RECTIFIEEER" with electroboom voice in my head

[@insertusernamehere4549]

No reply’s?

[@jb-xc4oh]

A 4 diode bridge is a full wave rectifier.

[@bloodybat100]

Lmao same.

[@asp424]

YEEEEAHHH!

[@ghostyboy3933]

THE RECTIFIER

[@mrkthmn]

Man, I’d love to see again this but collabed with a machinist.

[@braiansingh9730]

this old tony would be golden!!!!

[@eurobeatmachinist732]

Yes!

[@jimm9846]

I'll play machinist

[@t.c.b4722]

He should make a much bigger one on a bike frame so you could really get it going with pedals. That might actually have some real world uses like charging your devices in a power outage.

[@ranchurdhimster4955]

My vote is for AVE

[@ianbelletti6241]

One of the things I've learned is that nearly all the work done by the fly wheel is from the mass at the outer edge. You could cut away much of the inner mass and still be good. As far as replacing the shaft, try cutting it off and drilling it out. Most drive shafts aren't force fit. Try a design where the tolerance is such that it's locked in by a set screw or a key.

[@LilMissMurder3409]

This. The theoretically ideal flywheel has asymptotically-close-to-zero mass and an infinite diameter. One could store much more energy by adding a ring of steel around the edge and remove the same amount of mass from the center.

[@ianbelletti6241]

@@LilMissMurder3409 actually wrong on the mass part. It's the momentum of mass that keeps it going. The ideal has an extremely high mass concentrated in an atom thick layer with no mass between the "ring" and the axle beyond what's needed to connect the two. Without mass you could not have momentum and cannot use that momentum to do work. The true challenge with the mass is figuring out how much is enough to do the work without requiring too much work to get it up to speed and keep it there. Infinite mass may seem to be the ideal until you realize that it will take infinite energy to move it. Near zero mass seems the ideal until you realize that it can't perform much work. The true ideal is somewhere in between the two extremes and varies depending on the work that needs to be done in combination with continuously needing to overcome friction.

[@wiegraf9009]

@@ianbelletti6241 isn't aluminum a poor material choice for the outer ring then as it's fairly light? I suppose you would want to use something denser like bronze with carbon fiber spokes connecting it to the drive shaft?

[@alfredpeasant5980]

This is pretty quality, thank you my friend. Going to try this for my porch light, for fun

[@JoelCreates]

Wait, using packing tape to join my aluminum framing is bad?

[@baldr_]

i thought it was the strongest binding type

[@papafrank8900]

@@baldr_ me too im confused

[@samykamkar]

You could try packing tape framing with aluminum screws

[@zzstoner]

Just slap some FLEX TAPE on there.

[@JoelCreates]

@@samykamkar you just changed the game forever

[@ColtonPoorman]

"there's something oddly satisfying about a spinning opject spinning a motor" He used the spin to create the spin.

[@alternamasaki429]

This sounds like a quote of the manga-bible

[@BillySugger1965]

The spin went down the wires. Far out man!

[@-danR]

12:06 They say this is what aunt Gertrude heard that night the flying saucers took her away...

[@WanderTheNomad]

It's spinning with extra steps

[@mr.muffin3143]

What if they use the spin to make the spin spin more thus creating more spin

[@JakeB0079]

I watched this when it came out and tried to put together what would basically be infinite rotation energy. Obviously easier said than done. I lost my notes for it but it basically had to do with bismuth, magnets, fly wheels and some other stuff. Great video btw.

[@wompstopm123]

you could sandwich as many coils and magnets as you want and use more negative opposing magnetic fields to make it so the shaft does not have to touch anything and can float. you can also seal this in a low pressure chamber to achieve near zero resistance spinning and full efficency

[@PeskyTheWabbit]

ahhhhh the wobbling shaft at the end drove me nuts!! it could be so good with staight and balanced components

[@Nerdnumberone]

Make a better one and do a response video, then link it on whatever communities associated with him (this is the first of his videos that I've watched, so I don't know if he has a Discord, etc). Maybe he'll notice it.

[@benji37]

@@Nerdnumberone he is right

[@juststeve5542]

5:52 - You must be pronouncing FULL BRIDGE RECTIFIER incorrectly, the camera didn't shake. BTW, with a flywheel, the energy stored depends on the mass and speed. If you make another wheel, thin down the centre, and concentrate the mass on the outer edge, you will be able to store more energy without increasing the total mass.

[@guilhermerocha2812]

I am pretty sure that as an aerospace engineer he should know that already..

[@PaulOsbornesChannel]

If you are starting with a solid chunk of metal, that wastes a lot of material which is probably why he did it this way.

[@juststeve5542]

@@guilhermerocha2812 I'm pretty sure he does, and might have even mentioned it in another video, I was being cheeky 😉

[@DawidEstishort]

Lot of mass is not a big problem if your flywheel is levitating. Thinner centre might not make much difference , but it would require additional work to be machined. And your right. It's pronounced "FULL BRIDGE RECTIFIER" and not "full bridge rectifier"

[@justin.campbell]

I am dissapointed that he didnt pronounce it correctly :/

[@foxtree4255]

Im making this with some minor alterations to make a fun desktop Pomodoro timer! One thing I am focusing on is controlling the length of time the alternator will run. When the flywheel is spinning, LEDs will light up and as the spin rate decreases the lights will dim. When the flywheel stops the lights go off and that indicates it is time to take a break from work!

[@SirSmokeAlot8866]

Honestly I learned more out of this video than I did all my school years... Yes, I know I'm to blame but still, you really make it fun to learn!

[@septicop]

When he started talking about a Full Bridge Rectifier, all I can see is a man getting shocked constantly and screaming obscenities.

[@theskyarmyfox1721]

ElectroBOOM

[@ENCHANTMEN_]

I was excitedly hoping to see a FULL BRIDGE RECTIFIER when he mentioned going from AC to DC

[@WilburJaywright]

FULL BRIDGE RECTIFIER! 🎉🤩😅 (SOMEBODY ELSE… 😭❤️)

[@WilburJaywright]

@@ENCHANTMEN_ I was watching it going like, “will he do it??? Don’t cheap out… don’t do a si- YEAH!!! 😃😄🎉”

[@DonkieKonguh420]

ElectroBRUH

[@brunomiga1521]

It is a great experiment, I loved it! Just a quick note: The higher the current you take from de alternator, the faster your flywheel will stop spinning. You will not be able to take much continuos current from it, but is pretty amazing how it works!

[@user-db2oo6wj2d]

Dude I love your videos so much. Happy to be a Patron!. This is such a cool project..

[@sergiyradonezhsky634]

wow we need some kind of low friction crank or something. pretty much perfect.

[@alejandroalzatesanchez]

5:55 6:58 8:28 8:53 ElectroBOOM say: *"FULL BRIDGE REFITIFIER!"*

[@WorldOfZeroDevelopment]

This description of a full bridge rectifier was one of the clearest I've seen. That was really well done!

[@lordbyrom100]

Try configuring the coils into three phase this will increase the voltage .you have options of “star” or “delta”

[@lGuileWilliamsl]

Great project with only a slight correction needed. Electron flow is always from the negative pole to the positive pole since the electrons are negatively charged.

[@dQw4w9WgXc]

I feel the overwhelming need to get myself a version of this with a straightend shaft, and a geared down crank shaft that disengages as soon as you let go of it on the right site to spin it up to really high rpm

[@ADBBuild]

A one way bearing driving the shaft would work. Or even better, use magnets to drive it and pull the magnets away somehow when not turning.

[@mattyb.5628]

@@ADBBuild perhaps a centrifugal clutch? You could gear the output of a hand crank to increase the RPM, and the rotation pushes magnets out to engage the coupling. When you stop turning the magnets retract and decouple.

[@gcod3d161]

Like pedaling a bike except magnets on all gear teeth

[@adev8565]

I'm disappointed he didn't use the generator as a motor.

[@ReverendTed]

I wasn't expecting to gain an understanding of Full Bridge Rectifiers today, but here we are! Thanks!

[@user.name--oreneus21]

Yeah, this makes a lot more sense than my physics textbook did.

[@fredflintstone8048]

Not to put too fine a point on it, but the proper term is "Full wave bridge rectifier" for the device made up of 4 diodes. They can also be purchased as a package with 4 leads coming out. "Half wave bridge rectification in the case of this circuit could be accomplished with one diode.

[@pakcheung5150]

@@user.name--oreneus21 ～～

[@sethmath2778]

Same

[@sethmath2778]

I still dont understand diodes at all

[@Scoopta]

Amusingly diodes actually work in reverse of the way they're labeled and the way you explained here due to the differences in conventional and electron flow

[@joekeith2819]

Very cool! I bet if you used something slingshot shaped to cradle the far end of it, you could switch to spinning it up with a wound up string

[@BeTheGr8]

"This method of levitation is heavily inspired by this small toilet I bought off amazon" 🤣 only me?

[@mrbyamile6973]

Not just you. I was looking for someone commenting about that. I'm from the USA so I figured over there they call pointless objects toilets 🚻 What did he say?

[@BeTheGr8]

@@mrbyamile6973 "small toy that I bought off amazon"

[@mrbyamile6973]

@@BeTheGr8 OK, that makes sense, specially with his accent. I really thought perhaps he was saying something like *toy-lette* as I have heard of a small towel (hand towel) referred to as a towelettes. Thought it was a reference to it being a small toy. I put way to much Thought into one word (technically two words now that I've been corrected) 😃

[@reedy_9619]

@@mrbyamile6973 the auto captions get it wrong too. I was very confused as well.

[@Pylodictisolivaris]

1:40 Definitely "small toilet"