more 747 questions

[steve ravet]

Bruce Plecan wrote:
> 
> Subject: more 747 questions
> 
> >Expect lots of these as I go thru the 101 archives and discover how much
> >I don't know.
> >
> >Bruce says the WOT A/F table is here:
> >  We covered the WOT spark adder, so now we must look for a
> >WOT Air/Fuel Ratio.  That would be at 0487-048E..
> >
> >It says that it's here:
> >So if ya look at the end of the
> >fuel area, ya see exactly that, again depending on what application,
> >it reads hex 64 for a few entries, and then the last few are 00.  So
> >we wind up at 03C7-03D7 as being the fuel enrichment for WOT.
> >Can someone clarify?
> 
> Your looking at two different tables, one is an enrichment (a fuel
> VE addition), and the other a final air fuel ratio.  The 0487-048E
> would be expressed after the conversion as something like 12.5:1,
> the other as a percent.  The percentage is added as PE is enabled.

But, at WOT you are open loop, right?  so why do you need an A/F table
at WOT, since you aren't trying to maintain a particular A/F ratio? 
Keep talking about it and I'll figure it out.

> Bruce      If this still isn't clear to any one, let me know and I'll try to
>                 splain it betters.
Ok, you asked for it.

--steve


--
Steve Ravet
International Meta Systems
http://www.imes.com
steve at imes.com