Building a Generator

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Tim Station

Tim Station

3 ай бұрын

Build this generator:

Пікірлер: 1 600
@Gh0sb0ss 3 ай бұрын
This actually gives people a very easy way of physically feeling how much power it takes to run different types of circuits, I think it would be a cool idea for a science fair or something
@thebirchwoodtree 3 ай бұрын
reminds me of a science museum that had a device with a hand crank and would let you try and power old lightbulbs vs new led bulbs and see how it's easier to power led bulbs
@KingJellyfishII 3 ай бұрын
pretty sure they have something like this in the glasgow science museum
@kiburebuc 3 ай бұрын
​​​@@thebirchwoodtreeSame at the Los Angeles Science Center, but it's a stationary bike there. There are, iirc, 5 incandescent light bulbs and 5 LED bulbs of the same light output that you can switch between powering.
@DiverseGreen-Anon 3 ай бұрын
@@thebirchwoodtree I saw this the first time when I was a kid and visited the "Abrafaxe Extavium" in germany. They had a bike with a generator and besides different light bulbs (incandescent, "Neon" (energy saving), LED etc.) they also had a toaster... After pushing the lever down the bike felt like it instantly slammed the brakes as it is actually quite a lot of energy to only keep the magnet engaged, nevermind feeding the heating coils with "only" ~600w xD. They had a lot of devices plugged into that bike for kids and parents to try out. I only remember these and a fan though
@ehhhhhhhhhh 3 ай бұрын
Many exercise bikes include this as a feature. They have watt readouts and you can feel how much a particular wattage is with your legs.
@paulmelois 3 ай бұрын
I have an old Singer sewing machine stand that I've always wanted to repurpose as a manual charging desk; now I've got all the R&D already done thanks to you! Awesome job, thanks a lot
@zescoot2590 2 ай бұрын
Seeing something like this in action really makes understanding electricity way easier than just some formulas
@jana171 3 ай бұрын
Absolutely LOVE this project Tim ! Attach a propellor, and you have a windmill, add a battery, and you go offgrid camping with full 12V electricity available. Measure available Kw output and explain calculations for windings, batteries, magnets and such, and there's a scientific story to be told too. This could take you in every direction you'd please 🙂
@pauls5745 3 ай бұрын
Sure you can. The only difficulties are in storing enough until next charging. excellent project!
@flexairz 2 ай бұрын
That's why wind power has failed massively. It's intermittent and not demand driven. Nice for small projects but not for large scale applications.
@jana171 2 ай бұрын
@@flexairz 🤡
@jarateman6427 2 ай бұрын
@@flexairz Water works tho u just need flowing water. Instead of the handcrank u could add on a waterwheel.
@KitsuneKimmy 2 ай бұрын
@@jarateman6427 True, but it takes quite a bit of water to store energy using gravity. Unfortunately, the amount of cranking on a generator like this that would be needed for practical use would wear your arm out pretty fast! Might be better to hook it up to an exercise bike, though you would still get pretty tired.
@camelmer02 3 ай бұрын
You have been the only person to ever successfully explain a rectifier to me. Thank you
@Maarrk 3 ай бұрын
Cool project, if I may add a safety concern is that you'd really prefer to use *female* XT60 connector on your generator. As is, the pins can be shorted easily by anything conductive, and that's why power sources should have female terminals - look at your batteries with the same XT60 plug, or even electrical sockets in the wall. Probably not an issue for this one, but it's a good habit to have 👍
@TimStation 3 ай бұрын
Yes, that's correct. However, I wired it this way because it doesn't matter if the generator short circuits (the crank resistance just goes up). But if I charge a battery or capacitor, I don't want the wrong connector on them as that short would be far worse.
@Duamerthrax 2 ай бұрын
@@TimStation There's also 15 Amp Anderson Powerpole Connectors, which are genderless and protected on both ends. Regardless, you're right that the battery bank end is the one you need to worry about.
@jayw900 2 ай бұрын
Not actually a concern in this use case.
@jonathanodude6660 2 ай бұрын
shorting a hand cranked generator...??
@Demgore2-su4dz 2 ай бұрын
I'm no electricity nerd so I have no idea what you mean by female-
@_Matyro_ 3 ай бұрын
You should move to active rectifier instead of passive diode one. At these low voltages, you lose most of your power in the diodes at the moment. For ultra low drop diodes you will lose 0.2V per Diode which is around 10% for your voltages, for classic diodes (which you seem to be using) its 0.7V per diode resulting in quite a bit of wasted energy.
@nathansmith7153 3 ай бұрын
FERD diodes are about the same as a synchronous rectifier
@bgdwiepp 3 ай бұрын
@manitoba-op4jx 3 ай бұрын
or he could just use a commutator and a capacitor. no electronics necessary
@oliverer3 3 ай бұрын
​​@@manitoba-op4jxThen you're back to needing brushes. Not to mention that they're quite inefficient.
@fishyerik 3 ай бұрын
Oh, how surprised I would be if it turned out Tom wasn't aware about diode voltage dropout already. As the loss depends on the voltage he can also reduce losses by creating a higher voltage, and step it down afterwards, if necessary. Higher voltage and lower amps at a given power reduce losses in wires too.
@JackAllpikeMusic 3 ай бұрын
I'd love to see a series of iteration upon this just like your planes - where you try and design better and better generators, finding what works best/worst and create the most powerful hand powered generator you can while keeping it reasonably easy to use and maintain.
@ArktinenPeikko 2 ай бұрын
My daughter was just asking a few days ago about how electricity is made. This should be clear enough way to show and tell. Might even print a project for us to build out of this. Thanks for providing the link to the files.
@saintsimmo8880 3 ай бұрын
Favorite content creator on KZfaq. I’m a total electronics novice and feel like I come away with a much better intuition from your videos than I would from other types of learning. Definitely want to print this one!
@renson2160 2 ай бұрын
It's amazing how 4 chapters worth of topics of physics electronics have been covered in a single generator building video
@michroz 3 ай бұрын
Another idea for improvement is to put 2 thick steel discs on the outside of your magnetic rotors. I believe this would increase the magnetic field by containing it within the steel discs. Also this could somewhat increase the fly-wheel effect. Maybe the coils also could be wound around (or in-between) the steel cores to even better direct and improve the magnetic field.
@bosstowndynamics5488 3 ай бұрын
High performance axial flux motors generally use either 2 sets of coils, one on each side of the magnet rotor, or 2 sets of magnets, either side of the coil stator, to maximise flux through the coils per unit weight. Obviously this doesn't need to be as optimised weight wise but I suspect a twin magnet setup would be better for increased flux density over trying to direct the field with steel
@Acamperfull 3 ай бұрын
Once the supercaps are charged you can use them to start a car with a flat battery. This way you can (hand) crank start a modern car engine!
@bob2859 3 ай бұрын
This is hilarious. I did the math and it looks like 100F is about right. That dragster bank is 100F, but I'm not sure about its voltage rating or ESR. There's also the old Electroboom video "Cranking a Car with Super Capacitors (Supercap)"
@jasonharrison25 3 ай бұрын
I have a bank of 6x 3000f supercapacitors in place of my car battery in my TDI. Starts very well if fully charged. I have a 5w solar panel on the roof and charge controller to keep it topped off if I'm not driving it. 6x in series is 500f. I don't recommend anything less after using it for about 10 years now. They will only give you one or two tries before the voltage is too low to start the engine. Another benefit is they charge up in seconds. So 10 seconds or so it's charged enough to reset the engine. Would be excellent for delivery vehicle, postal service, etc that have a lot of stops and starts. The few times I've had to jump it or put a charger on it to charge it back up took only q few minutes to be fully charged. A jump is only 10 seconds like when the engine is running. The cheaper jumper cables get hot with the amount of current running through them. I've also been able to jump start other larger vehicles and pickups with my car and a good set of cables. People are always scratching their head confused when they see it
@Let_the_nonsense_blaze. 3 ай бұрын
Thought of the same thing. Also, I've got a few old tractors where handcranck+supercap could be a very usable solution.
@Parker-di7ef 3 ай бұрын
@@jasonharrison25I’d love to see a video on this! I never heard of anyone doing that!
@luppano 3 ай бұрын
Or charge the phone. Crank hard a few minutes, and let the capacitors charge the phone for longer at lower power.
@SapioiT 3 ай бұрын
Next thing to do would be to get a bicycle, add a stand on both sides so you can pedal with the back wheel in the air, and then connect it to the pedals. Or maybe even make a custom bicycle pedal assembly to be able to charge a phone while cycling, regardless of whether stationary or not.
@danthanhhuynhpham685 2 ай бұрын
Im thinking more of using the motion of a rocking chair to run it So you can rest and charge at the same time
@skullmax3595 2 ай бұрын
@@danthanhhuynhpham685 itd be impractical and i think if you wanna rest, a windmill type of energy generator would be best. The bicycle idea would work better ig.
@slurricrasher9923 Ай бұрын
@@danthanhhuynhpham685 A simple setup similar to this that could attach to either a spinning wheel like a bike or a dual pedal rocker for a chair would be one of the best camping accessory inventions ever.
oh i just made a comment about the kickr core - a bike smart trainer system that i think could be modded for this purpose exactly
@panther105 14 күн бұрын
This is brilliant. From some experience with hand cranked tools, having a little more weight to offset the crank handle can help smoothen the power input from your hands and help with the overall balance of the whole apparatus.
@mennims 3 ай бұрын
Hey Tim, been watching you for over half a decade. Your generator came out beautifully. It looks amazing, seems to operate smoothly and work eficiently enough for it to have some practical use. It's great to see you do more electronics as well! Something I struggled with in electronics was understanding voltage and current and it's relation to watts and using the "correct" terms that other electrically experienced people will understand. I'd like to share a concept that works for me. Power = RPM x Torque Power = Voltage x Current I see RPM as Voltage, current as torque. When I look at the charged storage in your generator I imagine a metal flywheel spinning relatively slowly (low voltage) but with a lot of mass (available current). When that flywheel is charged, your brain may not think "what do I do with all this speed" (or volts), you may think of it in terms of power instead.
@khaledadams4329 2 ай бұрын
That is so interesting to hear you say how much physical resistance it creates with a load. I want to try printing one of these now. Thanks for sharing!
@londonnight937 3 ай бұрын
Tom, the only real way to know how much your generator produces is to get a maximum power point tracker and a suitable load for it. The load impedance must match perfectly the impedance of your generator, at which point you measure the power dissipated on the load, and that's your generator rating, for a certain RPM of the generator. Would be cool if in the next video you would do that, because I'm quite curious how much a hand cranked generator will make.
@veryInteresting_ 3 ай бұрын
If I had to guess it would be in single digit watts
@simoncajagi6785 3 ай бұрын
Its super cool how electrical resistance turns to physical resistance with this thing. Would be a great learning tool for kids!
@markoap91 3 ай бұрын
It's not really electrical resistance turning into physical resistance, it's electrical power turning into physical resistance. The more power draw you have the harder it is to turn. But I agree it would be a great learning tool for kids. This is actually true for any generator and is a part of the law of conservation of energy and not only kids but most people are not aware that generators are harder to turn the more power draw you have from them.
@megaman1997ful 3 ай бұрын
@@markoap91 what is the reason for the power draw causing more resistance?
@Kycilak 3 ай бұрын
@@megaman1997ful Because you cannot create energy out of nothing. The speed of turning the generator gives the voltage, but you may draw different current at the same voltage, meaning it has to be possible to generate different amounts of power using the same crank speed. The only things, that affect the power generated, is the speed and the force (alternatively the torque and angular velocity), and with constant speed, the only thing that may change is the force. Hence higher power draw causes the need for more force. As per the mechanics this is caused because the current flowing through the generator coils produces magnetic fields that oppose the change caused by the rotation of the magnets in rotor. When no power is drawn, no current flows, and there is no resistance (ideally). When the power draw increases, the current rises and the magnetic fields opposing rotation are stronger, hence one has to crank against more resistance.
@megaman1997ful 3 ай бұрын
@@Kycilak Thankyou for the detailed response! thats completely cleared up the confusion for me :D
@markoap91 3 ай бұрын
@@megaman1997ful @Kycilak covered everything quite well. Nothing I can add to that.
@foobars3816 3 ай бұрын
We need you to read through the comments and either tear them apart or use them to greatly improve the design. This is probably the most interesting project I've seen in a while on any channel. It's doable for the average person and super useful if they end up stranded somewhere without power.
@artpam 2 ай бұрын
So interesting to see how you apply what you've learned in the past to new projects. Thanks for the 3D files, this will be a fun (and useful) project.
@paulmorrow8372 3 ай бұрын
This was a wonderful description of how a full bridge rectifier converts AC to DC
@qerku_5640 3 ай бұрын
Your explanation of a full bridge rectifier is the first one that I was able to understand! Thanks
@adamjc86 3 ай бұрын
Fantastic stuff Tim, this kind of tangible, real world, but simple project seems like a great way to get people into electronics
@BernardSandler 3 ай бұрын
This was fascinating. When it comes down to it, a generator/motor isn't that complicated. Always good to see that demonstrated.
@AlexusMaximusDE 3 ай бұрын
I mean yeah.. these days we have access to materials and methods of manufacturing for home users which far exceed the capabilities and materials early specialists had access to.
@NandR 3 ай бұрын
My favorite daydream is going back to like 1200 AD and creating a generator. They had metallurgy. Copper and iron and magnets. Energy storage would be harder but running power from a water mill wouldn't be impossible. But using that power would be limited. Lights would be basically impossible to make. Motors would be relatively easy. Using it for heating could work.
@AlexusMaximusDE 3 ай бұрын
@@NandR If you can build a generator, you can figure out how to make a motor and some gears. If you can make a motor and some gears, you can make a lathe. If you can make a lathe, you can make a vacuum pump. If you can make a vacuum pump you can do a low friction flywheel and lightbulbs. If you can do that, you can be burned for witchcraft.
@dragoscoco2173 3 ай бұрын
@@AlexusMaximusDE The Energy equation implies that the early specialists could build this easily just heavier. We had at some point in time hand cranked army phones.
@AlexusMaximusDE 3 ай бұрын
@@dragoscoco2173 So you are saying they could have built a much worse version with much more effort because they had access to worse materials and technologies. Cool.
@ashurean 2 ай бұрын
I'm a big fan of the pedal-type generators. Those are something I could see actually being useful in an emergency. They're a bit bigger, but if you lose power, it's easier to charge up a battery bank with your legs.
@jayabratabiswas01 2 ай бұрын
Thanks Tom for sharing a beautiful project... 👍👍
@louisswart 3 ай бұрын
Wow, always love your project videos, thank you!! An interesting next step would be to measure the efficiency of the generator.
@Fifury161 2 ай бұрын
How incredibly generous of you! Looks like a really nice design, thanks for sharing.
@sgtbrown4273 3 ай бұрын
Yes, I agree, you need a passive diode and definitely hook a super capacitor to it. Charge it for a few minutes and then it will charge your phone. That way you don't have to keep cranking continuously. Awesome project is always.😊
@dragoscoco2173 3 ай бұрын
Well considering a standard phone battery has enough energy to lift a 2tone car 1 meter off the ground, you will need to crank that a while.
@KenR3D 3 ай бұрын
​@@dragoscoco2173so you're saying all I need is several dozen pulleys...
@dragoscoco2173 3 ай бұрын
@@KenR3D With great leverage comes great amount of pull. Energy=Force x distance. The more you skimp out on the use of force the more distance you need to travel to produce said energy. 2tonnes lifting at 1m height. Or 100kg at 20m. Or 2 kg at 1km. Take your pick.
@TheJohnreeves 3 ай бұрын
@@dragoscoco2173 That's not much energy. A car jack can easily lift the car in a few seconds. It's a car jack with a much higher "gear ratio". He's limited by the 1 amp output of the USB board he was using which is why it will take the amount of time his phone said it would take (a little over an hour). Maybe with a high power USB board so it can fast charge, but even that would probably take 20 minutes or more. I can lift a car in 20 minutes easy with the right leverage. Use a bicycle to power it instead and I can output enough energy to charge the phone in a couple minutes (but the phone would still need 20 or whatever it ends up being).
@dragoscoco2173 3 ай бұрын
@@TheJohnreeves I totally agree that is not much for a human to pull off. It is roughly the equivalent energy of me climbing a 6th of 7th story building with my own weight. I could do it in 2 minutes casually. Yet that crank system is not geared or levered for such a feat in 2 minutes. What I tried to imply is just the amount of hand cranking necessary for a standard size phone charging.
@targetdreamer257 27 күн бұрын
Brilliant! It is a compact and elegant piece of equipment. That being said just a few minor design tweaks and you’re golden. 1. Broaden the base of it. That way screw holes can be integrated into it so as to be mountable. 2A. Alter the cranking part. Like having it so two hands can be use. 2B. Or Keep the two crank design so the hand cranks can be swapped out for foot pedals. 2C. You could even change it up so it can be rigged up so the stator can be cranked by a gravity battery. Suspend some weight in the air and connect that weight to the generator by s long cable.
@heikoschwertner1050 2 ай бұрын
Thanks, from Switzerland for this video. Clear and easy to understand. I try to build this modell with my 3D printer.
@GeneralThargor 3 ай бұрын
A similar idea built a massive business empire for Mr. Dyson. Great video as always.
@maikolverasson1735 Ай бұрын
I had nothing to do with electronics so far in my life, so this was super fun to watch!
@Prof.Polymath 2 ай бұрын
Just built my hardware, bar the magnets, had to remortgage the house to buy those first !! 😮 Got to wire up the coils next and fit the rectifier circuit etc. I’ll link you in my video once it’s up and running. Thank you for sharing such an amazing model, the project is so well produced and explained perfectly, really well done. Kind regards.
@DKFX1 2 ай бұрын
I'm going to be using some neodyms I found in a couple old hoverboard motors. Took a little chemical care to get them loose from the motorhousing but I think they'll do the job for a fraction of price of buying new ones. Managed to get something like 25 of them loose without them breaking but they are bit fragile compared to some I've seen.
@Prof.Polymath 2 ай бұрын
@@DKFX1 good thinking !! I would love to see that in action when you’ve done it !! 👍🏼 I may have to do some salvaging myself next time if I want to turn this into a bigger version suited for a wind turbine. Hopefully strong enough to charge a battery bank that could power the lighting in my workshop. 🤞🏼 that’s the plan anyway.
@DKFX1 2 ай бұрын
​@@Prof.Polymath Had to remodel the rotor to acommodate 30x10x4 mm magnets instead. If that's what you get then post and I'll share the stl file.
@jaydeep-p 3 ай бұрын
Hand cranks get hard after some time but a foot pedal like those on sewing machines is significantly easier to turn for a long time.
@GeomancerHT 3 ай бұрын
Hamsters jay, hamsters!
@markifi 3 ай бұрын
there's so much power in the legs. 100-200 watts easy, for hours, even more power for a lot of people
@laflador_7691 3 ай бұрын
attach it to your bike and you will be able to charge your phone during travels
@ankiesiii 2 ай бұрын
Ive been on youtube since 2005, and this was probably coolest video ive ever seen.
@PepiczekKnedliczek 13 күн бұрын
Hello, great job and a very well-made and objective film. Fantastic attention to detail. Way to go!
@steffwo 3 ай бұрын
It's good to see, that you use your skills for actually building something very useful.
@Roflnomish 3 ай бұрын
would some sort of bearing flywheel system stabilise the voltage output, as then you could get a constant spin to the alternator so the voltage wouldnt jump around due to the kinda 'oval' shape of your hand/arm movements? or would the magnets ect stop the flywheel from turning effectively?
@patrickderp1044 3 ай бұрын
ive seen like 4 other youtube channels do this same project......and im gonna watch every time
@chipcode5538 3 ай бұрын
I think you can increase the efficiency by changing the coil design. As far as I know the part off the coil that is perpendicular to the changing magnetic field contributes the most to the output. The rest is just added resistance. Also you can increase the power of the magnetic field by adding a backing metal or hallbach configuration of the magnets.
@simonlinser8286 3 ай бұрын
Look at hard drive motor, coils shaped like wedges with rounded corners. Why? What you just said about the impedance reluctance resistance etc
@markusw9455 3 ай бұрын
This type of motor works well, it is called an axial motor. Backplate would be nice, but only if laminated perpendicular to flux direction. This would mean like an arch of bricks between each coil. Winding layout should be 3 coils for each pair of magnet (easiest, classical synchronous machine). And the interconnection should be diffenent. It sure works with all coils in line. But he gets big circular currents driven by voltage differences due to the coils seeing different fields - also depending on winding direction of the coils (clockwise, ccw).
@enriqueamaya3883 2 ай бұрын
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@anrchannel6341 2 ай бұрын
Totally awesome. Alot of kids can learn how generator works.
@GunesToksoz 3 ай бұрын
Man! This is an incredible project! I watched the video with excitement until the end. Keep on doin' it! Love from Turkey.
@unrealcrafter2671 3 ай бұрын
If you wanna increase efficiency a bit you could wire your coils for a full wave rectifier instead of a full bride. A full wave has half the diodes and thus lower voltage loss. It does require more wire tho
@Deja117 3 ай бұрын
You're inspiring me to take this design and change the gearing slightly. It works good and is easy to follow what you are doing, but I feel that there's a more efficient way to do it, albeit much more confusing to explain over a 12 minute video. Looks awesome! Can't wait to play with the design and learn from it. :D
@fixifaxhd772 3 ай бұрын
I love how you are converting rotational energy to rotational energy when you connected the motor to the Generator xD
@jerremm 3 ай бұрын
Potential upgrades, have a steel plate on either end of the rotor so the magnets have a low reluctance path and you'd have more magnetic flux. (or the same with less magnets) Also a freewheeling clutch thing for if you stop cranking and the rotor can spin freely.
@ransombot 3 ай бұрын
Taking transformer plates and shoving them in the center of the coils would probably be better, for less over all weight. Like doubling the output power better. Would also be interesting to see ferrofluid in the center. More used in speakers as a lube for the driver & a flux enhancer but it should work there too.
@BronzSoldier 3 ай бұрын
What happens if you put coils on both sides of the plates that holds the magnets? I mean the parts where the magnets are should be open on the both sides and then you put coils on both sides of it. What would happen?
@ransombot 3 ай бұрын
You have the problem of transferring power when you do that. Tend to ark and cause corrosion having you wires stationary makes it much easier. Unless you are just talking about making a stacking generator. He hints at that in the video when he talks about the series parallel configuration. You'd get more amp/volts depending on the configuration. The ends though waste magnetic field if it's not directed back in with some ferromagnetic material, or a Halbach array Generally want your ends to redirect the field back in where you are capturing the work. That said it's harder to deign and heavier so where weight is an issue you don't always or to the same degree. Worth noting that the coils when this happens generate heat, copper / aluminum are diamagnetic and appose the field around generating the power. More work More heat more coils even more heat. You'd run a good risk of a PLA generator melting without regulating that extra current or adding in thermal correction with airflow or convection. Not so bad with a hand crank but a wind or motor driven one would Definity suffer a meltdown. Much like an induction heater.
@markusw9455 3 ай бұрын
The low reluctance path needs to be laminated otherwise he will get huge eddy currents. Perpendicular to the direction of magnetic flux, a bit like arches. Maybe he will get away on bother outer sides with only a flat plate, since the field of the magnets is much more dominant compared to the induced field of the stator. Main benefit will be if he can provide a low reluctance path for the stator coils (filling coil with lamination). Big benefit with the axial machine is, theses paths are already short by design (different as in radial flux machines)
@FerdausAlAmin 2 ай бұрын
Great initiative and very easily described... Thank you..
@rockyrodriguez2351 Ай бұрын
Neat work and detailed, thanks for sharing.
@UnKnown-hf4mi 2 ай бұрын
If this thing was made to be as efficient as possible… I would totally buy one from this guy.
@user-in3br2qs8x Ай бұрын
this guy doesn´t have the necessary equipment to do it.
@footlongsubzero1128 2 ай бұрын
Absolutely loved this video. I love the way you explain things for my simple mind to absorb 🥴👌. I've learned a lot from this. Thank you 🙏
@sammorrow91 3 ай бұрын
Made me think of the projects @thinkingandtinkering has done. Nice work!
@joshua3291 3 ай бұрын
Cool video Tom, maybe you could make a stationary bike where the wheel charges through the same method, would be a lot less tiring than hand cranking
@benmcmart1496 22 күн бұрын
How do i properly roll up the coils? Which ones du i connect in series?
@JustPlainRob 3 ай бұрын
In my high school electronics class we had a really nice crank dynamo. We used to compete to hold it by the outputs and see how fast we could turn the crank before we dropped it. The gearing was strong, so I don't think anyone even got past about 50 rpm.
@stapuft 3 ай бұрын
what if you had two layers of stators, slightly offset from one another? would that desig benifit from a third keyed magnet wheel between the layers of stator coils?
@adamprice155 2 ай бұрын
Thoughts of building a series of step down/up gears to turn every one of your turns into multiples of the generator turns? I know you do have it geared but what about gearing it further? Or bike pedal powered?
@JosephClarke-ej5cm 2 ай бұрын
First time viewer, I’ve subscribed. Really, really instructive. Thank you
@Bein_Ian 3 ай бұрын
After watching many electroboom videos I never could understand what a full bridge rectifier was, but your video made it seem so simple. I love electronics but can't wrap my head around them a lot. Thanks for the video!
@BorisBIELECKI 3 ай бұрын
This morning on my way to work, I thought "it's a long time Tom did not post a video". I love those coincidences.
@CGrahamWorks 2 ай бұрын
I was wondering could you dun the crank threw a v belt on a bike tire? for charging on the go our making power when exercising. Also another question, could you block a few rotors together with more spools? That meaning, have a block of several on one axel?
@lagoozri9568 2 ай бұрын
emergency kit for lost situations, amazing handheld generator
@carlosrodrigues145 22 күн бұрын
im new to 3d printing and wanted to try this out, but im confused on the coils. if there are 8 coils and you have 2 soldered in series and 4 in parrallel, what do i do with the last 2 coils?
@zxdvdsavs 3 ай бұрын
Would be interesting to see if you can engineer it for using leg muscles instead of hand. Hooking it to your shoe and hanging it from your belt would allow you to use the far larger muscles in your leg. Charging at battery bank at 12V and 5A could be done in a few minutes but would give a whole days mobile phone charge.
@skrymerU 3 ай бұрын
That was fun. Would have been interesting to see how many amps it could generate and calculate the power.
@GewelReal 3 ай бұрын
maybe 20W
@TimStation 3 ай бұрын
This video was meant to be a short build/info video for an upcoming video on my main channel. However, it's gained far more interest than I expected, so I'll be making a follow-up soon!
@specialneedsmolester1957 3 ай бұрын
@@TimStationmake it into a mini wind turbine
@corpuschristihq4370 3 ай бұрын
@@TimStation Could you also please explain more in detail how you connect coils, diodes, capacitors, and mini digital voltometer? Any electronic schematic would be greatly appreciate.
@littleSchmiggy 2 ай бұрын
lovely video. I really enjoyed the content. gives me a good personal connection to power generaion.
@lukeyboi2204 3 ай бұрын
interesting that you got the prusa xl, are you going to use it for multi material or just for the big print volume?
@somethingstupid699 2 ай бұрын
Thank you for your service to your fellow humanity, keep it up!
@derklempner Ай бұрын
I like this build. As for not wanting to crank the generator for more than a few minutes at a time, you could solve that by converting it into a pedal crank and use your legs/feet instead.
@TheRedRobin96 2 ай бұрын
I know it's not producing a lot of power but I feel like something like this should be in every household.
@B0A2 3 ай бұрын
Would love to see future iterations of this project perhaps on a bike
@JonCherba 2 ай бұрын
Absolutely love this project! Could you double or quadruple the amount of windings and magents, or double this setup to create more even faster? Or even increase the gear ratio even more?
@WhiteNinjainblack 2 ай бұрын
I am new in power generator stuff and all but i have question? would be better Electro -magnetic flux when there is no plastic on copper coils?
@whatsthematter8767 3 ай бұрын
Love the DLG in the background! We should get a video on it!
@elementkx 2 ай бұрын
This is awesome. You should sell a kit for people to watch this vid and make one themselves. I would love to make this with my kids.
@rodrigobarreto1947 3 ай бұрын
wow, just thought about how to make a wind turbine with this! thanks tom!
@elliot6758 3 ай бұрын
hey tom! i built something like this just the other day, using a nema34 stepper motor. stepper motors are great for low rpm high voltage generators as that is how they're designed to operate
@Coffianto 2 ай бұрын
Would it be easier to have a higher gear ratio, so that you can spin the dynamo without to much spinning but rather power?
@stowjer Ай бұрын
Brilliant! Great project
@cosmiccrunch8591 2 ай бұрын
Awesome project! I'd convert this over to foot pedal power for a more effortless, handsfree charging system.
@flyingpanda4524 2 ай бұрын
I'm wanting to do something similar, except im trying to charge a light system on a motorized bicycle. I have a few ideas how to connect it to the motor, and gear down so it doesn’t blow at high rpms on motor side, but i was wondering if this could be stacked??? So i could have a wider alternator instead of taller?
@SimonPlatten 3 ай бұрын
I have a motor from an old Dyson vacuum and its brilliant, no gearing required!
@strawman9410 3 ай бұрын
Use the capacitor bank to a step down converter to charge a phone etc then once you charge the bank you won't need to keep cranking the handle. Mine powers LEDs for upto 45 minutes after 10 minutes of cranking. Thanks for sharing. Yours gives more power output than mine. 👍🇬🇧
@bozokiller420v2 2 ай бұрын
Do car alternators need an excitation charge or do they have permanent magnets?
@riffhammeron 3 ай бұрын
I first heard of DLG rc planes a week ago, now I'm seeing them everywhere. He has one on his wall!
@pulancheck 3 ай бұрын
This was super cool! Congrats
@embodythelogos Ай бұрын
Does the two rotors have the same pole facing each other (with the stator in the middle)? Or opposite poles? Thank you!
@xxxm981 11 күн бұрын
How do i calculate the voltage however? Like how do i determine how many poles and coils i need, and how many turns per coil will give what voltage (and thus amps)?
@yungu1776 3 ай бұрын
A nice piece of work! It would be great if you show us the actual usable peak current output off this generator.
@akhilbudhal6848 2 ай бұрын
As a South African, this + a hamster is gonna help a lot. Thank you
@Devappl187 18 күн бұрын
is it possible to put like 5 of these side by side all connected to one crank?
@teambadengineeringchoices1368 3 ай бұрын
Very cool. I do wonder if it would be more effective to make the crank a bit shorter to raise the overall rpm of the large gear, though, I don't have this thing in hand, so maybe I am imagining it in a very different way and it would just be less practical as you would technically be exerting more energy to rotate the crank.
@matthewsemenuk8953 3 ай бұрын
Very cool. I wanted to build something like this as a kid and turn local muskrat dam into a hydro electric one.
@raffaelemagni3078 3 ай бұрын
loved this video, really appreciate your work, thank you
@aliawrang9503 3 ай бұрын
Great project. You could add a flywheel with a free hub so when you are not rotating the generator the flywheel could spin it for a while.
@CJTheReal Ай бұрын
would the addition of a flywheel or a gearbox help you generate more power or sustain power generation for longer?
@prototypedrakon9899 2 ай бұрын
Hmm. Odd question, can you hook it up to a stirling engine? Im curious to see how well it would work
@rh9909 3 ай бұрын
Now I want to see you charging your phone with air engine linked to this haha. Very simple but impressive, can't wait for the reveal of what you are planning for!
@Walburris 2 ай бұрын
Very cool! Thanks for such a great video!
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