Pedal Generator
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- Опубликовано: 5 сен 2024
- Building a Pedal Generator out of bike parts and an alternator from a wind turbine.
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It's cool to see that you built this and that you're able to hit peak RPMs for the alternators/generators that you're using. One thing to note though is that you won't really be able to hit those metrics when the system is under loads that you'd want to charge the battery. If you're charging a 48v battery, you need at least 20v above the fully charger (generally 58v) feeding into your mppt. You'd have a pretty tough time even charging at 5 amps (~250 watts) for any reasonable amount of time. Assuming you're able to ride at 250 watt pace for an hour, you'd be very tired and it'd likely take much more of your resources in way of food and/or money to buy food to make up for the expended energy. That amount of effort would charge your 5kW (100ah) 48v battery to 1/20 of it's capacity, not accounting for loses. It's a useful thought experiment and certainly a decent way to learn about motors and electrical theory but, from a practical standpoint, you'd be way better off just picking up even a 50 watt solar panel and allowing it to do that and more each and every day without any additional effort/resources being required. Best use cases for a bicycle generator might be charging small battery banks that could top off phones, tablets, and laptops. A half an hour at a decent pace a day could keep each of those devices topped off and ready to go.
Good reasoning through great input equals sound prevention and ready preparedness when you (they) need it most. Thanks!
Just think of all those wasted watts//amps/volts, at the fitness gym. Love the way you take existing ideas and make them fresh and see them through a different lens.
SO nice to see you back on RUclips Sir. I thought that you would not do videos again. You made my day fella for sure.
Thanks! Glad to hear it.
@@Motionmagnetics I have to give praise where praise is due. Or should I say "DUE THUNDER"!!!! Peace vf
Try to get your hands on a used Indoor-bike with flywheel and attach an e-bike motor or a hoverboard-motor to it. We did so in my workshop at an university here in germany.
Hi, good work sir….but you need to go back to basics. The limit of any pedal generator is the person pedalling NOT the rating of the alternator. The average person can produce more like 100w over an hour or so. If its a 48v system that’s a current of 2 A. The efficiency of a alternator or dynamo system is likely to be around 50% so even if your moderately fit and can sustain about 150w for a long period you’ll be lucky to put out 75w at the battery terminals. Thats 75 w/hr. The voltage you are generating in the video is the NO LOAD voltage. It’s doing no work. As soon as you connect a load you’ll quickly grind to a halt. So use a generator rated for more like 300w at 1000 rpm or less. If, as in your vid you harness a 10 kw alternator you’ll need to produce about 20 kw. A top athlete can produce about 1kw for a few minutes. So, start off with the ability of the human input and size everything accordingly, and don’t forget every time you add something - like an inverter or phase converter - you introduce yet more loss….
From my personal experience, I can say that the commonly stated 100w average is rather low unless you're a sedentary 70-year-old.
Thats why he is using gears to amplify his input by about 100 times
@@jbcom2416 You can increase the RPM by reducing the torque and vice versa but you can't amplify the energy you put into a system with gears. if you put 100 watt into a system you will get less watt out of it after any kind of gear.
I suggest you try again with 4 tri coil axial Flux motors. Combine them all on one shaft but instead of wiring them directly together in parallel wire them all to a circuit board and make them parallel within the circuit, this will reduce the likelihood of the motors overheating with the high current from parallel connections
They make cheap, low RPM generators and pretty easy to diy with lots of different 3d printed designs out there to copy from
Peddle generators are a great thing to have around when there is a power outage.
Adding a capacitor bank will allow charging of the bank to run lights, charge phones, and even connect to an inverter.
Agreed.
This is exactly the content i was looking for
Glad to hear it.
Do you think you can generate more than 1 horse power? That is almost 750 Watt. Only heavy trained people can.
This means you can start looking for smaller generators. With a 1kWh output or even less.
I am using an e-bike on a stand. The 250 Watt motor will generate the same (in my case). And I can tell you: 250 Watt output is very hard to do. Proof is on my channel.
Please look out for an e-bike. No more work to do, and you can still use it as an e-bike if you put a decent plug on the wires. (this is a note to readers, who are like me with two left hands).
Keep going man, one day, that generator is going to pay for itself!
Thanks! That's the plan.
Thanks for the back on rumble
Awesomeness, I have just ordered a bunch of neodymium magnets to convert a washing machine motor into a 240v generator. More volts/amps ⚡️ I found the video on RUclips, will link shortly. Ok, his RUclips name is MR COVER 🤙
Sounds like a good project to work on. If you post your results later let me know.
I'm planning to build a pedal generator using a recumbent trike as a base model (comfort and free hands). It will have a table in the place of the handlebar so I can use a notebook and a fan during the exercise.
Your pedal generator is interesting, but the first thing I would do if I was you is to go to a gim and using a there pedal equipment with its computerise features you could know much power you can produce while pedaling as fast as you can and also how much watts/hour .Then you'll be able to choose your appropriate alternator. Good luck.
Thanks for the suggestion.
have you tried with second hand hoverboard motors? they are built solid for low rpm and are cheap to get.
I have not. Thanks for the suggestion.
Do you think a bike hub motor would work?
You can just use an old wiper motor for $5, it produces 20 volts at hand-crank speeds.
The best way to harness the power without getting way too tired is to connect that ebike motor to an elliptical machine (which is lying around unused in my case)
Just wondering what wattage is that ebike motor used in ur setup...
We can use pedal power only to overcome the last inch barrier in all permanent magnet motor.
I learned that a 160 tooth front ring can move a bicycle at 30 mph at 90 watts. This is walking pace. Instead of using the fast twitch muscles on the top of the thigh, use the slow twitch muscles in the hamstring.
Thankx
HELPFUL TIP.
I solved my free Power Supply problem by simply connecting the Alternator shaft to the chuck of my electric drill.
Clever Stuff. eh ?
.
,😂😂😂😂
good way to keep vido up add the other motor and make real free energy and it disapears
My thought, years ago, was to power a membership gym using their members on exercise bikes connected to generators...
Loose weight, build muscle and charge your car/bike/phone...that is multi-tasking.
*i love gears. gears is power for everythings.*
Danke für die Infos. Sehr hilfreich. 💕
Easy as ❤ thanks bro
Den habe ich schon vor 20 Jahren gebaut.Der drückt 52Volt DC mit 2,5Ampere.Greatings From soylent Green.Schmier dir dazu ein Schmalzbrot mit Gurke.😂😂😂💖
Very nice experiment. In my hometown several people are engaged in using bicycle with sidecar as a mode of public transportation. These people had been doing this like an everyday job for a long time, as years passed by new mode of transportation is available & they are now struggling to get an income. I wonder if in the near future if pedal generators will be cost-effective alternative to hire people & charge your home power reserve & at the same time create a job for poor people.
Anything is possible. I also think it's a way for people with less income to afford to have electricity.
add more fly wheel
Good work dude!🤓👍
Thank you!
@@Motionmagnetics You do this type of work so we don't have to! Appreciated!🤓👍🏴
Chas Campbell says the secret is the belts, not the chains. To be verified...
some things to point out which you probably know just saying just inc ase.
As for magnets vgates as you had the issue is see is that all are too short and it needs to be long enough and heavy enough to get enough momentum to break though.
As for flywheel, A heavy flywheel is a battery and the heavier the longer it lasts.
Sort of like the video "The Power In These Flywheels Scares The Pants Off Me" | Savage Builds
The end of the heavy flywheel is is the easiest to move and acceleration is the issue and one accelerated takes less power to maintain the speed than to get up to speed. Having 2 heavy flywheels I assume where one helps aid it on the long end can help than the center. Again just a thought.
Maybe you can do the math to see which better to see it on papers 1st than in practice.
As for friction do you know the "Tractor beam magnet" setup? How about a 3d one where its on a 12 sided cube.
But a simpler thing would be what they did in the video "Magnetically Supported Flywheel Spins Insanely Long" which has little friction.
The bigger the scale the more efficient and smaller the less for many things.
With so much wisdom 😢, are you failing to create this as a self running system 😞. I am so disappointed ☹️..., Just add another motor , hook it up and that's it
❤😁I have the same idea, THANKS
i want to same man.
Wow I've been on the same journey
You are one Cool Dude, but a bit paranoid and unnecessarily worried about post- Apocolipse food shortages.
Should it come, you look healthy enough, I can always eat You.
Love the Magnetic Stuff though.
Move over, Tesla !
.
I look at it more like preparing for temporary shortages. During the lockdowns, we had ridiculous shortages like toilet paper. I think it's reasonable to assume we could experience temporary supply chain breakdowns in food and other supplies in the future. It's simply prudent to think ahead.
I doubt Tesla is worried, but thanks.
Kuncinya bukan dari tingginya RPM tapi kekuatan daya puntir dan konstanitas putaran/RPM🙏🙏🙏 cepat kalau tidak bertenaga = nonsen
so by using weight. If you use a flywheel, then the momentum from the weight of the flywheel can be used to maintain the power and flow of the generator power on long enough to be able to switch the power cord from the motor to the generator and therefore become...self running. It looks real to me. I can't see why it won't work.
Wrong! A PMA running at 24v to 48v is not the issue, the load current is. Just wait till you try to charge a battery with it. Not going to produce enough power with you pedaling very hard.
We'll see. I've tested it with a load, but haven't tried charging a battery yet. I'll share the results once I do.
A casual cyclist will output 200watts or less, so best to optimise a system to that power. Operating the alternator at lower rpm is fine if you are only charging lower voltage batteries, 12v nominal for example. Good luck with your future iterations of generators.
Dude, get rid of the intro music please. It blew up my ears when I used my headphone.
Your going in the wrong direction. The more electrical load you use the more force you need to add with this style of generator. You need a stream to give you a constant force like a water wheel to make this idea practical. And if you were going to do that then you should look at vortex water generators. You were on the right track last year but veered off into the weeds now. Fields are energy when you learn how to extract it. The public is still not ready for this, I wounder if they will ever be ready? Trust in the Creator of all things to guide you in understanding creation and how it works. Ask and you will receive.
Definitely do not buy the wind alternators from China. I bought two identical 2000 watt wind turbine generators. One turned out to be a 500w, and the other was a 100w. They were nowhere near the 2000-watt they advertised.
And the shaft was already bent on one.
Great prices poor quality.
Were those the ones I'm always seeing on Amazon that have no customer ratings?
only a single low rpm motor-generator
change the parameters of the motor, no need to add gearing load
diy generator-motor, dc in-out, hall-effect motor-engine, just neo magnets and copper coils, at least 2 simple configurations, radial and disc
spin mass energy storage in vacuum
add more supports, wood or plastic, aluminium works too, just be really smart about it
better framing, of a house
🤣