++ ATOT official NEF thread part IV ++

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MotF Bane

No Lifer
Dec 22, 2006
60,801
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busydude said:
What is the use of a bridge if it has a gap in it? :D
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Like I said, basic circuits. Right now we're finding equivalent resistance, going over KCL and KVL, current and voltage dividers, that sort of thing. So it's just a circuit with a gap, the gap is where we measure the equivalent resistance across, and the circuit just happens to occasionally look like a Wheatstone bridge.
 
M

MotF Bane

No Lifer
Dec 22, 2006
60,801
10
0
Rubycon said:
It's a spark gap for lightning protection of transmitters. ;)
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I actually asked about a few of those sorts of things. We've been told to assume an open gap in a drawn circuit is infinite resistance, and that no current may ever flow. We've also been told a wire has zero resistance. Finally, a brief reference was made that current cannot add in from air, or fall out of the wire.

I specifically inquired about spark gaps, resistance of wires, superconduction, and what was meant by current adding or falling away (stray capacitance and mutual inductance being those answers). I was told that this is basic circuits, and not to worry about those effects.
 
M

MotF Bane

No Lifer
Dec 22, 2006
60,801
10
0
I had some little ricer pull up in the second lane of a two lane stoplight, and then as the light gets near to changing (the other side goes first, so you know), he starts inching up until he's almost a car length ahead of me.

Silly ricer still got pwnt.
 
Rubycon

Rubycon

Madame President
Aug 10, 2005
17,768
485
126
MotF Bane said:
I actually asked about a few of those sorts of things. We've been told to assume an open gap in a drawn circuit is infinite resistance, and that no current may ever flow. We've also been told a wire has zero resistance. Finally, a brief reference was made that current cannot add in from air, or fall out of the wire.

I specifically inquired about spark gaps, resistance of wires, superconduction, and what was meant by current adding or falling away (stray capacitance and mutual inductance being those answers). I was told that this is basic circuits, and not to worry about those effects.
Click to expand...


Ah ha basic circuits!
Yes a gap has infinite resistance until potential is elevated to the point of breakdown. It gets complicated too as some gaps use large balls (now it's getting fun again!) and some may use blunt ends. All of these affect how sudden breakdown occurs. The frequency of the potential if not DC also has an effect. The atmosphere has an affect too. This is why specific discharge tubes may have a rarefied atmosphere to allow fast breakdown and fast recovery. Not just the pressure but the assay too. Lots of variables. Definitely not basic circuits. ;)

MotF Bane said:
You have my full attention.
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Sexual innuendos tend to bring a rise out of various elements. :D

MotF Bane said:
I hate being behind fart can ricers, it sounds awful, and usually smells pretty bad.
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Yes the acoustic profile of the cheap ass coffee can tip is a given. The sulfurous aroma usually is caused by excessive amounts of sulfur in the fuel which passes through the engine and gets burned off in the palladium-platinum post (catalytic) filter/converter.

What's worse (chiefly in the days before EFI/ECU) a rich running carb saturating the cat causing it to glow red hot to the point where the heat shield isn't even enough to protect the floor pan and a leak is created. Every time sulfur rich fuel is burned it would smell of rotten eggs in the pax compartment. D:
 
M

MotF Bane

No Lifer
Dec 22, 2006
60,801
10
0
Rubycon said:
Ah ha basic circuits!
Yes a gap has infinite resistance until potential is elevated to the point of breakdown. It gets complicated too as some gaps use large balls (now it's getting fun again!) and some may use blunt ends. All of these affect how sudden breakdown occurs. The frequency of the potential if not DC also has an effect. The atmosphere has an affect too. This is why specific discharge tubes may have a rarefied atmosphere to allow fast breakdown and fast recovery. Not just the pressure but the assay too. Lots of variables. Definitely not basic circuits. ;)
Click to expand...

Yeah, we're avoiding that for a while.

Rubycon said:
Sexual innuendos tend to bring a rise out of various elements. :D
Click to expand...

Oh wow, that Lassie video was hilarious.

Rubycon said:
Yes the acoustic profile of the cheap ass coffee can tip is a given. The sulfurous aroma usually is caused by excessive amounts of sulfur in the fuel which passes through the engine and gets burned off in the palladium-platinum post (catalytic) filter/converter.

What's worse (chiefly in the days before EFI/ECU) a rich running carb saturating the cat causing it to glow red hot to the point where the heat shield isn't even enough to protect the floor pan and a leak is created. Every time sulfur rich fuel is burned it would smell of rotten eggs in the pax compartment. D:
Click to expand...

The inspection stations happily just sign off on these morons too. Along with their excessively lowered suspension, cambered wheels, stretched tires, and above all, the blue headlights.
 
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