Can you plz explain how you make this! Because i need this for my science project.

What you say in this experiment is not possible..

The precise points change according to the construction of the whole parts construction system. I can not help you away, I'm sorry.

ahaha, I was just watching him and was spinning a fidget spinner when I thought of looking this up.

There is no reed switch in this this really works

I think both type of reed switch will work

Homopolar type more and less..

The wire is enamelled, with 180 turns. The power button must be there.

What is the thing which to attached to spinner that brown stick name pls reply fast at Wednesday my fair is their 100 Mark's

No that is a mounting hole. People screw them into wood etc to hang tools etc

Hey can u tell me for what degree course u made this project ...?

Ciao is

9 months later so I guess it's too late but you/he should do more research on the principles of electromagnetic induction - gaining an understanding of what's actually happening (as far as the physics involved) can help you determine what might not be happening and how you could fix it.

I do not know this, I can not give you an answer..

Read laws of thermodynamics first

Serkanbah ...it’s already in use, this is basically the same principal as any induction motor.

Plssss ?? I need to know tooo

Yes, it's OK, but not 100%

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No because you can't turn a permanent magnet on and off which is essential to the function of the motor. That's what the reed switch does to the coil.

If you like to fix the coil on an iron ring plate then it will work, same as a magnetic core.

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No, only the "tasosne". ΑΝΑΣΤΑΣΙΟΣ ΝΕΖΗΣ is my name and my account on google.

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Plz tell as i my daughter has to make this for her science project.

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The reed switch is an electrical switch operated by an magnetic field. It consists of a pair of ferromagnetic flexible metal reeds contacts in a hermetically sealed glass envelope. The contacts are usually open, closing when a magnetic field is present, or they may be normally closed and open when a magnetic field is applied. The switch may be actuated by an electromagnetic coil, making a reed relay or by bringing a permanent magnet near the switch. When the magnetic field is removed, the reeds in the reed switch return to their original position.

Buy it online

73 turns are not enough, it takes at least twice as many turns. Only with the comments I can not explain the switch in sync with the coil.

I think if you could amplify the dynamo output and power the coils, it might work.. but heat might be a problem

As far as I know, dynamo draws energy from the kinetic energy of the spinning object. It would slow down the spinner and finally stop it. This is because of the wastage of energy which goes out of your system because of wind and heat. So, the more closed your system is, longer the spinner runs. At an absolute 0 energy wastage, your spinner will spin forever.

Yes, you need to use the reed switch only

In series with coil

Ko

It has neither right nor left, inverting the polarity of the battery reverses the rotation.

The magnets can not be inverted, or all in positive, or all in negative.

Electric Experiments Roobert33 I have got .5 in.12.7mm magnets without mark. Wondering how can I find positive negative in such small size . Also does 180 coil of 0.4mm is necessary. Mine is working but only for fraction of seconds .. not sure what else to add to keep it running like yours .thanks

@@abhaygwaliorkar7325 If yours does not work can be various problems. Unfortunately only with the comments I can not help you, I'm sorry.

The switch interrupts and connects the current at the right time.

The Reed switch is activated (turned on) every time is in the proximity of a magnetic field, allowing to synchronize the passage of current at that moment. As the magnetic field moves away, the switch deactivates (turns off) until another magnetic field appears in its proximity.The difficult part is to find the optimal position of the Reed switch, relative to the spinning magnets. Usually that optimum spot makes 90 degrees among the rotation axis, the magnet and the switch.Watch "Fidget Spinner Brushless Motor" Parts 1 and 2.

Inside an NO (Normally Off) reed switch, two wires are very close to each other but not touching. In the presence of a magnetic field, the wires touch each other and the circuit is completed. In this way, as the rotating magnets get close to the reed switch, the wires inside the switch make contact, current flows through the copper coil creating a magnetic field which, in turn, gives a push or pull to the magnets on the spinner. The very small reed switch is enclosed in a tiny glass case, and it has a wire coming out of each end of the switch. Be very careful when bending or handling the wires on the reed switch because it's very easy to break the glass case. Usually, the technique is to use long nose or needle nose pliers to hold the wire where it comes out of the reed switch, and then bend the end of the wire however you might need to. If you hold the reed switch while bending the wire, you'll break the glass case. You want current flowing through the copper coil only at the right time, as each magnet approaches the coil, and only for an instant. The reed switch is just a simple on-off device for completing a circuit only in a magnetic field. As soon as the magnets on the spinner go past the reed switch, the switch opens and current stops flowing.

Yes..

If you did everything accurately, you have to synchronize the magnets at the optimal point. In practice you have to rotate a few degrees to the left or right the magnets compared to the coil.

So is that what the dots on your base (to which you attach everything) are for - the optimal position for the switch and coil in relation to the magnets?

It all depends on the magnets, that have to adapt to the optimal point in relation to the coil. Unfortunately I can not help you practically, just with comments.

No problem! I appreciate you trying to help! I will play around with the positioning of the magnets relative to the coil and switch. Thank you!

;)

To generate energy you need a different system..

Hi :)

electronicsNmore hereby request has the ability is an excellent work with

All magnets must have the same pole facing outward.

It rotates with a magnetic field.

Reed switch is magnetic energy based When magnet comes near switch on When magnet moves far then switch off