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Paper Clip Motor

Uploaded by: FlyByPC
Video Description:
How to make a very simple motor from two paper clips, a length of enameled wire, a magnet, and a DC power supply. Sorry about the hard-to-read credits; Movie Maker was the only program I had available that would do a credit roll. (Yeah, I know. I'm working on a MUCH better replacement system, using POVRay.) Anyway, enjoy! Comments / criticism welcome.

Tags for this video: clip cool electric electricity fun gadget howto motor paper power science sparks tech technology wire

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Nope. 13.8V=dead. ... ( 7 months ago by CaptainZeep)

Nope. 13.8V=dead. forever.

Consider yourself ... ( 7 months ago by CaptainZeep)

Consider yourself lucky to be able to tell the tale.

Depending on the ... ( 7 months ago by WTFmynamesaregone)

Depending on the amps, 13.8 volts can only lead to muscle contractions on the higher end of things. It will probably hurt like hell, but its not gonna kill you.

volts do not kill ... ( 7 months ago by bahane)

volts do not kill ask any mecanik whos had the ht from a car ams do on the other hand kill.
nice work

isnt it amps you ... ( 7 months ago by DarkestFireWings)

isnt it amps you need to worry 'bout?
DFW

Yes, amps - and not ... ( 7 months ago by FlyByPC)

Yes, amps - and not volts - kill. But given that the human body has a high resistance (about 100k Ohms or so), it takes a high voltage to produce that amount of current. 13.8 volts across 100k ohms will only produce 138 microamps or so. (...wetting my fingertips and clamping the leads directly onto them.) Roughly 60 milliamps (60,000 microamps) is generally considered lethal. To produce this across a human body, you would need a lot more than 13.8V. Look up "Electric shock" on Wikipedia.

(Source: Multimeter ... ( 7 months ago by FlyByPC)

(Source: Multimeter measurements, and my own background in Electrical Engineering Technology.)

It wouldn't even ... ( 7 months ago by FlyByPC)

It wouldn't even hurt (unless you did something crazy like connect it to needles and stick them into yourself). If you touch both terminals of a disconnected (but charged) car battery, you won't feel a thing. With the body's 100kOhm resistance (or so), there will be hardly any current flowing. (Ohm's Law.)

Yes, but those ... ( 7 months ago by joeyisfunny)

Yes, but those power supplies put out 4-14 amps usually right?? How can u measure that amperage through the body when the body's resistance is taken into account?

Ohm's Law applies ... ( 7 months ago by FlyByPC)

Ohm's Law applies here. If you know two of voltage, amperage, and resistance, you can determine the third mathematically. This power supply is capable of ten amps current -- into a low enough resistance (about 1.4 ohms).
Ohm's Law states (in one form) that Current(in amps)=Voltage(in volts)/Resistance(in ohms).
Suppose the power supply puts out 14V and the body's resistance is 100kOhms. Therefore, the current will be 14/100,000 = 0.00014 amps (0.14 milliamps, or 140 microamps.)

Im not 100% sure, ... ( 7 months ago by joeyisfunny)

Im not 100% sure, but I think you are wrong. The power supply has its own amperage rating. Wouldnt it just drop the amps from the supply? You can just say V=IR and not take the supply amps into account! Im an electrical engineering student myself at ga tech, but Ive never thought it this type of problem!

The power supply's ... ( 7 months ago by FlyByPC)

The power supply's amperage rating is a limit. The power supply is designed to provide 13.8 volts at any amperage up to the 10-amp limit. What amperage that is, depends on what resistance is connected across the supply.
Don't believe me? Try it for yourself! Your electronics lab should have an adjustable power supply. Set it to 13.8V and connect a microammeter in series with the power supply and yourself (use a 100k resistor if you prefer.) I get 40-41 microamps of current, trying it at home.

Ohh I see how it ... ( 7 months ago by joeyisfunny)

Ohh I see how it works. I thought it was a constant mains amp rating output :) Thanks for clearing that up!!!

Thanks for the info ... ( 7 months ago by DarkestFireWings)

Thanks for the info, dude!
DFW 'this is what my bro does, if you don't see that, it's me =)]

Hey, it says in the ... ( 6 months ago by thesegreeneyes92)

Hey, it says in the discription that you used a magnet, but I don't see where?

The rectangular ... ( 6 months ago by FlyByPC)

The rectangular black base contains a magnet. (It's the base for a Super Levitron.)

Ohhh, okay, that ... ( 6 months ago by thesegreeneyes92)

Ohhh, okay, that makes sense. Thanks alot. :)

There was an ... ( 5 months ago by luisfcayo)

There was an article during the 1950 in Life magazine about motors and it shows how to make one just like this... I remember reading my grandpa's Life collection and making one of this experiments when I was 9 years old, very interesting.

haha ( 5 months ago by mikynone)

haha

i did the exact ... ( 3 months ago by Ebaum744)

i did the exact opposite as a science fair thing, instead of creating propulsion, i created electricity, if you spin the spindle of an electric motor, it will generate electricity, it was pretty cool, it was just build to a larger scale than this

... ( 2 months ago by lowIQ04)

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od u happen to be ... ( 1 month ago by paulbruno1234)

od u happen to be in an electrical engineering program I just started and i see u got ur leads and ur soldereless wiring board there just a thought lol

nice job well done ... ( 1 month ago by wiidaniel0)

nice job well done well done

cool! ( 3 weeks ago by superempere)

cool!