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Old 08-18-2007 | 07:08 PM
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rmh
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Default RE: Ignitions on A123 Cells??

Today's secret word is --- capacitor
here is a little stiry about ignitions
If you want "x" amount of energy out of a ignition -- you have to put "x" (plus a little) into the ignition s
If you reduce input -what happens to output?
The time required to fill up the ignition primary stage is greater than the time it takes to discharge the spark -- so --that helps
However -there are limits to all things .
One thing more -- the faster you extract power from a battery -- the voltage you get will become lower
How cum?
batteries have internal resistance -this is resistance to change -either charge or discharge - so you can slowly extract power and the battery will deliver higher voltage-
or you can do it in a nanosecond and it will be lower -
so if you start with a low voltage and you rev things up - what happens?
next week we look at persnipitors.