DIYEFI.org Forum

I found out today that GM calls it "command AFR"

FWIW the MS2extra code allows the user to select whether the AFR table is integral or just a target. I find it works way better when it is integral. Changing your AFR is a matter of changing the table entries rather than changing the entries and having to re-tune the map. +1 on the "integral&qu...

The description makes it sound like a WOT switch, which was mainstream ECU tech 20 years ago. Aircraft tend to run under more constant load than an automobile, so it doesn't make sense to have a WOT switch. All a WOT switch was used for was deciding when to ignore the O2 sensor and go to an enriched...

Yeah, they tend to treat FADEC on piston aircraft engines as if it's some magical new technology

Aircraft FADEC control of 4-cylinder engine using dual ECUs with integrated coil packs (wasted spark)

Some design features:
Per-cylinder cylinder head temp
Per-cylinder exhaust gas temp
Twin plug/cylinder wasted spark

http://www.ocflightcenter.com/documents ... 0FADEC.pps

alfaromeoguy,

You will probably have better feedback if you post questions about your Volvo LH jet system at http://forums.turbobricks.com

Here's a couple more should inspire you further.

http://www.youtube.com/watch?v=v5WP-IqICI8
http://www.youtube.com/watch?v=hkY_EeHwlcQ

I knew you would like it

Found these vids posted on the VWvortex. Follows the development of an F1 engine from ground up in the 1980s. Of special note is the engine management system, which is thoroughly covered. Watching these guys work on the electronics reminds me a lot of fighting with MegaSquirt on various cars :) Leng...

Pictures are good, but I am lazy to draw :-) Maybe "Ignitor". Why "Commutator" is not good ? I think "galvanic isolation" is also good. http://en.wikipedia.org/wiki/Galvanic_isolation "Ventilator" - Cooling fan, exactly A "commutator" is a component...