Chinese Hand crank generator
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- เผยแพร่เมื่อ 4 พ.ย. 2021
- A cheap but relatively good Chinese hand crank generator/power supply with two USB and two positive/negative terminals.
You can cap the voltage output using a switch to prevent damage to electronics.
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Nice bit of kit. As mentioned I bought one recently. I'm thinking of modifying it by adding a longer crank handle, making it much easier to use. The short handle is the major drawback I think. I'd also bolt it down to a table, again making it much easier to use. Good video.
Cheers, yeah bigger crank equals more leverage.
now, remove the crank handle, add big gear, connect it to your bike and you're good to go ;) . i did something similar and for what's worth it works just fine . far easier to pedal than hand crank too ;) . does anyone know the type of DC motor this device use? and i wouldnt mid seeing current output too ;)
I can think of a few survival situations where this device could be a lifesaver.
A grid down scenario would make this thing a priceless item
but how many amps does it put out?
Awesome! Had one of these little generators for quite a while; works but is slow. Am currently considering one of the paddle bike ones that can crank out 100We. You get good leg exercise and cardio and get the money you spent on food back in the form of electrical power.
Yeah makes a lot more sense on an exercise bike.
one really good thing about this style of generator is that you can utilize these to maintain power as well as make higher outputs. if you have a little bit of mechanical knowhow you can rig up a bike to this to make a constant power source. and as usually these are intended for emergency situations. no one will use this as their primary source of stored energy. or i would hope not.
I bought one as a primary source.. for a just in case scenario. So if the power grid goes down I'll have this and about 4 solar chargers😂 I'm on a budget and cannot afford large panels etc. So I guess I'll have some pretty big forearms😂
Neat that it initially works well, and to see the principles in action, but I'm not sure how practical it is for such a bulky device; I imagine you generated less than 1 Watt-hour during this demonstration. I also wonder how durable it would be for multiple hours of cranking, and whether it would overheat.
I know you might not reply but im wondering if you take off the crank handle add some sort of propeller to it and take it to a nearby stream so it could be hydro crannked generator?
Nice little device...I bet you could rig that up to harness power from wind with a propeller
Quite a handy thing. I got a bit confused when I saw the speaker terminals
Just positive/negative wire terminals, you can use it on anything that uses red/black wires.
Time to get unlimited hamster power
use a 7805 regulator betwen output and usb connector to get stable 5volts and prevent any accident burning phones or other devices
your cool man keep making vids bro everything i think of you done a vid on i seen you years ago i took your advice on that crossbow vid! thanks brother im from dorset uk we need more english preppers!
A link in the description would be a good idea, an affiliate link if you have one. I'd certainly be interested in one of these depending on the price.
They're generic items sold by different brands I'll see if I can find the one I bought and add it to the description.
Thank you!
I would imagine the time needed to output enough mAh would make this fairly impractical for anything that needs more than say 30 minutes of charge to be used, small flashlights, emergency call on a phone etc. For charging a power bank I would want a bicycle based generator, and add weight to the wheel (balanced of course) to create a flywheel so you lose less momentum if you rest your legs for a few seconds, would be a good project come to think of it
yep, and if you pair it with good charge controller you can get decent charger system for S HTF ;)
Hey, I have been watching your videos for a while now, and I have never seen you do a review on the PD-100 Full Face Respirator?
there are A LOT of rip offs and was wondering if you could do a nice review on one? if you do, then please make sure you get a good one that is branded not off brand! there is a lot!
thanks so much.
It would be cool to make a small wind turbine out of it and put it in your yard (but it doesnt look too water resistant)
Well yeah you certainly could put sails on it but as you said not really water resistant.
I’m pretty sure you can make a relatively strong EMP.
Whats they price on that?, those look decent really depending on the price
eBay has them for $38
www.amazon.co.uk/Jjsm-Generator-Operations-Emergency-Communications/dp/B083412ZSZ/ref=sr_1_16?crid=32V6PKI3CLIJI&keywords=hand+crank+generator&qid=1636186272&sprefix=hand+crank+gener%2Caps%2C155&sr=8-16
Cheapest one I could find, it's one of those generic ones sold by loads of sellers and brands.
I guess it's no nut november after all...
sarebbe più interessante se fosse applicato ad un sistema a gravitazione: un orologio che facendo scendere un peso, per 10 minuti, ricaricasse la batteria. Comunque complimenti.
Interesting technology, but is it really worth the exercise?
Lol
Depends what you're charging.
What is the current output from a 5v and 9v?
The total potential output is 20w. It is fairly easy to generate 5v 2amps, which is 10watts. You have to really crank it to get the full 20watts. Theoretically this device can generate 24v but it is regulated to provide a more constant output. I have seen these fitted with Super Capacitors that replace the capitor in it and you can run things for quite some time for only a few cranks.
I got 1,a proper bloke's toy
Love the video you always got some interesting things do have a email I need to ask you something about gas masks
Would putting blades on it instead of the handle make it work like a small wind turbine? 😅
I'd assume so but it wouldn't be very windproof.
@@Weaponsandstuff93 Couldn't leave it out in the elements yeah. But if one could weaterproof it, it could even be used on water. 🤔
Connect it to a bicycle somehow and voila you can power it with your legs instead of your arms.
Yeah lots of people make those.
Rather than using the crank arm, you could just attach a drill to the little spindle = free power !
I was actually thinking of a way to put 2 cranks next to one another. Maybe being able to crank it with a bike peddle and wheel.
Soilent green is the real human energy generator
Put a flywheel on it and attach it to a bike wheel
I bought 2 of these at reduced prices and ytuber "lasersaber" showed me how super caps extend the usefulness of this system. In time I want to make my own hand gens, but outa the gate this system seems to be made for open source tinkering.
Use the generator to power something that keeps cranking it
That would not work. The magnetic resistance would overcome the machine cranking the generator. If you were right it would have been thought of already and used
I'm pretty sure that perpetual motion still violates the laws of thermodynamics. Maybe you could insert the crank into a cat with a slice of buttered toast strapped to its back... but that probably violates some laws too.
As Litter Picker said that breaks the laws of Thermodynamics, no such thing as perpetual motion.
a bike would make this easier
Yo