December 1998 Issue

Letters: December 1998

FADEC Fantasies
I am an engineer who designs things with microprocessors and I have some strong thoughts about what, if anything, we should do to improve the performance of aircraft engines.

First of all, trying a new electronic contraption to make an engine work better is fine, but the back-up should be magnetos. In other words, replace the left mag with whatever kind of fancy thing you think might be better and hooray if it can save us some fuel. But leave the engine with something we know works; a right mag.

Think about this a little. In the Piper Tomahawk debacle, we had an unknown phenomena killing magnetos. If we make engines with a new ignition system, we donít wan...

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