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Posted

I noticed something with this GI275 EIS engine monitor. Sitting on the ground its 29.4" MP.  On takeoff it goes to 30.7.  Its ~1" higher than ambient at all altitudes. At shutdown its 29.4" again. Seems like its getting ~1" of MP due to ram effect.  Anyone else notice this?

Posted

I had an issue where my GI 275 EIS was reading 2" high in flight and finally determined it was the snubber that was causing the problem.  My AP removed the snubber and now everything is good.  It turns out the snubber wasn't really needed, just that when it was installed, they removed a fitting that had a calibrated orifice.  We reinstalled that and no need for the snubber.

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