What does stoich mean?

[Dave Zug]

...and for the record, I do NOT want to be running  450Mv at WOT, 
right? I want 0.890 (safe) to 0.850 (leaner than safe, but mo power 
here).. yes?


> At 07:46 PM 8/18/99 -0400, you wrote:
> >By definition, the stoichiometric ratio is when
> >you balance the chemical equation so that there
> >is no free oxygen left.  Wouldn't the O2 sensor
> >show 1 volt (max diff of outside to inside O2)
> >at stoich?  Is there incomplete combustion even
> >though the input mixture is at stoich?  The combustion
> 
> Theoretically, there is no free O2 left at stoich, and the combustion 
> byproducts are H2O and CO2...  In the real world there is CO and HC 
> remaining and a few other nasty substances...  At stoich you actually see 
> approximately .450 volts and the voltage swings high and low d\from 
> .450...  Extremely rich (Possibly by the migration osmotically of O2 
> through the Zirconia sensor element to the HC rich environment) shows .9v 
> to 1 volt... Extremely lean shows .1 volts or so.
> ===========================================================
>             David Cooley N5XMT           Internet: N5XMT at bellsouth.net
>       Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
>     Sponges grow in the ocean... Wonder how deep it would be if they didn't?!
> ===========================================================
> 
> 
~~~
Dave Z. www.delanet.com/~tgp