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Franklin's Bell - How it Works

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How Franklin's Bell works, both Benjamin Franklin's original setup for detecting lightning storms and a simple homemade one using soda cans. For Franklin's original, the use of a lightning rod and ground connection is shown. For a simple homemade one and Wimshurst machine is used to power the bells, though a Van de Graaff machine and electrophorus are also shown briefly.
For how to make a Franklin's Bell and more detailed demonstrations, watch:
• Franklin's Bells - How...
For my webpage about Franklin's Bell see:
rimstar.org/sci...
For how to make a Faraday motor and a demonstration and explanation of how it works, watch:
• Faraday Motor How to M...
For how to make a Joule Thief to run an LED on dead batteries, watch:
• Make a Joule Thief for...
3D models and animation done using Blender 2.63.
To follow me on Twitter:
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Опубликовано:

25 авг 2024

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Комментарии : 58

@TheKingofRandom 11 лет назад

Great video Steve! I'm really impressed by your animations! Great stuff, and wonderful explanations!

@q_q123 4 года назад

Rest in Peace, Grant. Keep doing your crazy experiments up there :)

@dmw2858 10 месяцев назад

only 9 likes on a 12 mil sub channel

@RimstarOrg 11 лет назад

Thanks Grant! The animations are half the fun making and good explanations are the other half!

@RimstarOrg 11 лет назад

Thanks! I appreciate the feedback. Glad you enjoyed it.

@Slider2732 11 лет назад

Great video..very clear now how the electrons interact with the ball. Right, off to get a couple of cans and a drinking straw, you always spark some sort of idea !

@RimstarOrg 11 лет назад

Glad to hear it! Thanks for the feedback.

@RimstarOrg 11 лет назад

Oh! And now I can't wait to see what idea I sparked, because your ideas are always very cool!

@RimstarOrg 11 лет назад

Thanks! They're both plenty of fun to make.

@RimstarOrg 11 лет назад

Thanks! They're fun to make.

@Will-pl4tp 3 года назад

I remember always watching those Franklin’s bell videos during elementary school

@RimstarOrg 11 лет назад

Do you mean with the Wimshurst machine (the one with the rotating disks)? I didn't know in that case. It could have been either way, but since it didn't affect the explanation I didn't check to see. If you do want to find out then I show how in my "Positive or Negative? How to Find Electric Charge Polarity" video. You can find it on my channel page in the Browse videos tab.

@RimstarOrg 11 лет назад

Glad to hear it. Thanks!

@RimstarOrg 11 лет назад

I once removed the grease from a bearing and replaced it with MG Chemicals' brand of carbon conductive grease. But when I put the bearing back together I guess the seal wasn't perfect, that or the high RPM of around 8400RPM was too much for it and some of the grease came out over time. That was my only experience with conductive grease. I'm sure I could have done better had I pursued it further. If you're curious, it's on the Conductive Bearings page in the Equipment section of my website.

@richardreeve5369 11 лет назад

Nice video of franklin's Bellnice way to teach the working.

@RimstarOrg 11 лет назад

My pleasure.

@RimstarOrg 11 лет назад

I've never tried it so I don't know if it'll work. I'll probably try it this summer, but we don't get a lot of storms here in the city. The sharper the nail point the better it should work, and I suspect the higher up it is or at least far from anything else the better it'll work. It should require storm clouds but bring the nail indoors in if there's chance of lightning! And let us know how it goes.

@ver64 11 лет назад

Once again....excellent explanation...thanks

@RimstarOrg 11 лет назад

Thanks man!

@RimstarOrg 11 лет назад

An electric field is stronger at a sharp point. That makes it collect electrons from ions more easily than a blunt surface, making them no longer ions, i.e. deionizing them. Lightning follows the path of least resistance and ionized air is a better conductor than air without ions. When using it as a lightning rod the idea is to deionize the air so that lightning doesn't follow a path to the lightning rod. With the bells, the circuit makes use of the electrons from those deionized air molecules.

@GaryLeventhal 11 лет назад

I've never heard of carbon conductive grease. I check that out , Thanks.

@RimstarOrg 11 лет назад

Thanks! My blender work is nowhere as good as yours since I don't have the time, but I try.

@RimstarOrg 11 лет назад

I use Blender 2.63 for the 3D stuff, and OpenOffice Draw for the 2D overlays of things like moving charges. See my video "Behind the Scenes at RimstarOrg as Thx for 1 Million Views" where all is revealed.

@GaryLeventhal 11 лет назад

OK found some stuff including Carbon Silicone and silver silicone grease. Be fun to experiment with different ones to measure and compare the Resistance of each put in a 1" line. including some of the home made ones I mentioned. Another Idea would be to impregnate Silicone caulk with carbon or graphite. So one could make a structured circuit line on a PC board that would cure and be pliable unlike the silver conductive paint pens. Sorry for going off subject on your post.

@jtveg 4 года назад

Great work. ✔️💯🏆 Thanks so much for sharing. 😉👌🏼

@camelsonhorizon 11 лет назад

awesome man! you put alot into these vids too

@greenscollection 11 лет назад

i much enjoy youre videos! Thank you very much.

@TheMysteriousProduct 11 лет назад

It seems that in the case of an actual lightning strike, Franklin's version would be a direct line to a bad day. Why the sharp point on the lightning rod?

@1950cappie 11 лет назад

You have some cool "how to " videos!

@billyjack1962 11 лет назад

I made this for kicks, but glued the straw on, sanded the sides of each can and then taped the wires on. I put one wire from the non-taped straw can out the window tied to a nail, and the other wire to the ground in the house. Will this still work? I used magnet wire from transformer.

@RimstarOrg 11 лет назад

I don't know if it's the best for your purposes or even if it was for my purposes. It was just what the local electronics store had in stock back then. Random.

@RimstarOrg 11 лет назад

Yes and no. Blender has a steep learning curve. I could have done the house and bells in this one with stop motion but the way I do stop motion wouldn't have produced such a polished looking result. There is good stop motion software out there but I don't have any. My way of doing stop motion is a bit of a hack.

@RimstarOrg 11 лет назад

Sounds like you have some experimenting ahead of you. Make sure to do a video of the results.

@power-max 11 лет назад

Seems faster than trying to make stop motion of a demonstration. (I am trying to make a video on my design for a small van de graaff generator.)

@GaryLeventhal 11 лет назад

While walking my dog I thought of a good assignment you may wish to try. For years I've been looking for a conductive grease for electoral connectors on my auto and Motorcycles. I'm Familiar with dielectric grease witch is designed for this purpose neither conductive or not. But I want a grease that is. I've thought about using a silver circuit board tracer but that would glue the connectors. I've lately learned that printer ink is conductive I'm thinking mixing that or graphite with vaseline.

@1.4142 2 года назад

Now you can put a voltmeter there instead and measure atmospheric charge over time

@RimstarOrg 11 лет назад

Just keep in mind that have protection from lightning strikes! Maybe don't run it through your house like in my animations.

@TH-lu9du Год назад

Can I use a regular AA battery or does it have to be static electricity

@RimstarOrg Год назад

It has to be high voltage, in the thousands. AA batteries are far too low voltage.

@yassersh95 11 лет назад

how did you know that the can have a positive charge

@power-max 11 лет назад

how do you make the animations?

@power-max 11 лет назад

Same here. I am using kdenlive (free Ubuntu nonlinear video editing software) and kolourpaint (similar to MS paint from windows vista) to make the stop motion and currently it has over 100 frames I had to make using the paint software. (yes it took a-little while :-) )

@RimstarOrg 11 лет назад

Even before me! :)

@RimstarOrg 11 лет назад

Remember me when you do, oh great leader... :D

@q_q123 4 года назад

1:31 if the ball repels, does that mean it has more electrons than protons?

@RimstarOrg 4 года назад

Yes, there are more electrons than there are electrons on the ball at 1:31. That makes the ball negatively charged -- the electrons are negative and the protons are positive. The nearest bell is also negatively charged. Since they're both charged the same way, they repel each other. That's another way of saying that like-charged objects repel each other. If they were both positively charged, more positive protons than negative electrons, then they'd also be like-charged, they'd also repel each other. That happens at 1:50.

@mmmaxxx__ 10 лет назад

_The ball swings away..._

@GaryLeventhal 11 лет назад

what he said

@GaryLeventhal 11 лет назад

Ha Ha ha....... Now I have the final bit of technology I needed to complete my uranium 238 capsule. And Take over the world................Ha Ha Ha "cough"

@GaryLeventhal 11 лет назад

This guy thinks like me ..........Together we will take over the world.........

@trench01 9 лет назад

You should use 2 piezoelectric crystals and get some electricity from it to see it that would work.

@RimstarOrg 9 лет назад

xwsx001 Oh, neat idea! I'm not sure it the high voltage would affect the piezo crystals themselves, but it would be neat.

@jiexiang123 11 лет назад

how do u know his name lol, u friends???

@babby660 10 лет назад

Really? Franklin used a Coke can? Sorry, just couldn't resist. Loved the experiment!

@snakeinthebottle 11 лет назад

i watched first :D

@nokiaall 5 лет назад

ааххахах))) нормально так) ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE--rxMJPlqbVQ.html

@frederickminken 11 лет назад

now hink about it. that is energy being discharged. right???? ok now when discharging it run it through a transfomer and charge a capacitor, nor run a inverter from that to run power to your tv.... now bigger attena and right tuned coil. in which is easily calculated with distance of attena. and boom, no more money to the power company, yes you now can keepo that money for yourself, go on treat yourself right, thanks adn for more info i am at frederick minkenstein at facebook add me, i help