Idle Air Control valve.

The IAC controls the amount of air that bypasses the trottle valve, which controls idle speed.

 

thanks englishadam.

nice answer, but still leaves me with a question.

what is the fire itself. is it oxygen combining with another material that gives off heat. is it oxygen getting ripped from one compound and forming another? is fire a gas or a solid?

if you could grab a piece of fire what would you have in your hand, say if you broke it down to its chemical roots?

again, this is not a joke, its just something i was thinking about recently.

getting back to your water example, i know the oxygen is bonded to the hydrogen, but does that mean in everything else that burns there are 'free' atoms of oxygen. i know that wood would have pockets of oxygen in it, but does the wood fiber itself actually contain free oxygen atoms.

 

billy:

Try this answer.

Fire

 

if a fly gets in the truck as you're going down the highway... why doesn't it splat on the back window? It just buzzes around.

I realize there is a degree of "sealed atmoshpere" inside the truck... but we still get moved about when changing direction or velocity.

 

because the air inside the truck is moving at the same velocity as the truck... to the fly the truck could be standing still it wouldn't know the difference... unless the truck is accelerating... It is theoretically possibly to accel or decelerate fast enough to "throw" the fly against the front or back... It's acceleration that moves you around... If your truck could go the speed of light, you wouldn't feel a thing, unless it got there in a couple seconds... well, then you wouldn't feel anything for long...

 

That's what the entire idea of Realitivity is based on. Just sitting in your living room you are going a couple of thousand miles an hour because the entire planet is moving. You don't notice because all of your reference points are traveling the same speed.

If your friend tossed you a baseball at 5 ft/sec it would seem to be nothing more than a lazy toss. If your friend threw the same ball at 5 ft/sec while on a jetliner traveling at 500mph it would still appear to be a lazy toss, despite the fact that the ball is now traveling at 738 ft/sec.

 

thanks flafonman,

thats a nice link. will spend some more time there from home later.

 

A lot of smart cookies here.

 

ROFLMAO!!!

 

3 things are needed for fire: fuel, oxygen, and an ignition source.

Using the heat from friction is the ignition source you encounter a few problems with your seaweed/water analogy. First you can never heat water in the liquid form hot enough to 'catch fire' - it would turn to steam first. Antoher probelm is the seaweed would get ripped out fo the banks by the time you had enough friction to ignite it. Additionally, enough free oxygen isn't avialbe for fire to result. The water encapsulated the seaweed doesn't allow enough free oxygen to be present for fire.

oh yeah, then their is that other minor detail - water isn't flammbale. The end result of any combustion process is CO2 and H20, plus whatever impurites is present. The required carbon isn't present when you try to burn water.

And for thesurface tension of water, the week hydrogen bonds that causes the inverted minescus aren't strong enough to hold up to the amount of friction you are implying.

 

I thought they were found in the cabbage patch...

 

Why does Ford build in a speed responsive radio, (volume increases as the engine RPM’s increase) when they say in their advertisements how quiet it is in the cab.

That doesn't make sense.
See the "Quiet Time" commercial.

 

There is something in the engine compartment that you guys call the butterfly.

What is that and where is it located.

 

The cab is only quiet with the windows rolled up.

Butterfly used to refer to a valve in the carb that was a flat, piece of metal, rounded at the edges, with pivot points at 12 and 6 o'clock. It looked vaguely like a butterfly, hence the name. It now is used to describe any valve that has similar construction, and is sometimes found in intakes, and heating/cooling ducts.

 

But is anyone here driving at 70 MPH with the windows rolled down.