The only thing that the plug fouling did was cause the flight to be aborted, and that eventually caused a necessity for a second start. But it was the overpriming that caused the fire. And the fire would have happened too if the plugs were not fouled up, but there would have been another reason for the restart where the same sloppy priming technique would have been used.
Agreed. I never said plug fouling caused the fire. Error one was the taxi out with mixture rich, and subsequent fouling causing the excessive mag drop. If they hadn't done a restart after receiving some counseling on the mag drop, they would not have made a bad hot start with the resulting fire. I hope this is clear enough.
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I would guess that you aren't an advocate of flying lean of peak.
You show me an O-320 installation in a PA28 that can reliably and consistently be leaned to LOP, and you've made me a convert. But until then I'll just lean until rough running sets in, and then enrich a tad more to restore smooth running. Heck, most O-320 installations I've seen don't even have an EGT gauge.
Can't understand what this has to do with the present discussion though. Unless it's intended as a low blow with which to end the discussion. In that case I'd say: Bring in the Nazis. Godwin's law - Wikipedia, the free encyclopedia
The reference to lean of peak was because you apparently strictly adhere to the recommendations of the POH. POH's generally don't discuss running LOP, even though the practice is entirely accepted these days on fuel injected and the occasional carbureted engines. That was the reference intended.
I generated this thread in the spirit of educating those who might not understand the concept of mixture control, and the consequences thereof. If arguments are your preference, fine. They aren't mine, especially when referencing Nazis, which has nothing to do with the present discussion.