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    EGT -99 and oil pressure dead at start

    When I last flew my Rotax 912UL in a Zenith 701 two weeks ago all was well with my Dynon D180. Today when I went to start the motor BOTH EGTs read -99, and the oil pressure was blank--three hyphens. In the interval I've only swapped air filters. No other engine involvements. We've had some...
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    Airspeed lag on takeoff and GPS mismatch

    Is there a "normal" lag before my D180 should start reporting airspeed? It doesn't register airspeed until 25-30 knots, and during climb reports on the order of 20 knots less than the GPS. In level flight into an 8-10 knot wind D180 and GPS are within 3-5 knots, and with flying the wind the...
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