Identify this device

echelon1k1

echelon1k1

New Member
Bakatare666 said:
I heard of it, but for what, and to what end?
That's what is puzzling me, how did it end up on this guy's porch, "randomly"?
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Probably fell out the back of a truck or someone threw it from a car or another house...

But in this case Occam's razor would dictate it probably fell of a UFO and you will be visited by the notorious MIB... :bigjoint:
 
fb360

fb360

Active Member
Thats a simple electro-magnet. Apply a current through that coil and the metal ring will magnetize.
 
Dr Kynes

Dr Kynes

Well-Known Member
echelon1k1 said:
toroidal ferrite core - in the US I think they're called "Chokes" induces current to produce EMF.

see "Faraday's law of induction".
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nope we call em toroids too.

thats probably part of a home stereo receiver.

most likely left on the OP's porch bty a tweaker stealing butts from his ashtray. tweakers love copper, and love stealing half smoked cigs.
 
notoriouszig

notoriouszig

Active Member
Dr Kynes said:
nope we call em toroids too.

thats probably part of a home stereo receiver.

most likely left on the OP's porch bty a tweaker stealing butts from his ashtray. tweakers love copper, and love stealing half smoked cigs.
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THIS^^^

Scrapping is quite common around here actually. Not in this particular neighborhood. Although I have heard instances of tweakers/crack spiders acquiring vehicles to go on scrapping sprees.
 
ginjawarrior

ginjawarrior

Well-Known Member
Dr Kynes said:
nope we call em toroids too.

thats probably part of a home stereo receiver.

most likely left on the OP's porch bty a tweaker stealing butts from his ashtray. tweakers love copper, and love stealing half smoked cigs.
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part of a power supply certainly but isnt it a bit small for stereo?

im building myself one atm and have a much bigger version in mine :)

 
Dr Kynes

Dr Kynes

Well-Known Member
ginjawarrior said:
part of a power supply certainly but isnt it a bit small for stereo?

im building myself one atm and have a much bigger version in mine :)
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when i look down into the guts of my old panasonic home stereo system receiver, i can see 4-5 little fuckers that look just like that thing, standing on end in various spots, ranging from the size of a Certs breath mint to the size of a 2-liter bottle cap.

im pretty confident it came from some home electronic device from the 80's or 90's.
 
Dr Kynes

Dr Kynes

Well-Known Member
magicman18 said:
A simple answer would be a solenoid
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a simple answer (as usual) would be incorrect.

this is a solenoid:



and it makes magentic feilds, often as part of a switch or whatnot. your car's starting system has 2 of them usually, one as a remote switch so you dont have potentially lethal voltage running through your ignition switch, and another on your starter motor to egage the flywheel and make your engine turn. though some starters use cetrifugal force to engage the starter drive gear with the flywheel.
 
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