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MAP ignition curve
I would like to discus with somebody about the adjustable MAP advance curve for the electronic ignition system. Mine is a double SDS electronic ignition system installed in a O-235-L2C (Rutan 61). I have a fix RPM advance curve that works very well (from 0 to 30 degrees at full RPM) but my doubts are in the MAP variation to adjust the correct curve with altitude. I have worked on some combinations from 8 degrees retard at sea level to a 12 degrees advance at 14000 feet, but I haven't actually tried it and I'm a little reluctant to use it until talk to somebody about it. Anybody?
Last edited by Lukeman; 06-02-2013 at 05:02 PM.
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