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  #21  
Old 09-17-2023, 12:43 PM
bjdecker's Avatar
bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
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Quote:
Originally Posted by Carl Froehlich View Post
I did a careful calculations of actual MP on the ground with the engine off (correcting for field elevation and local barometric pressure). I ended up inserting a correction factor of -0.4” into the SkyView EMS to get a more accurate MP readout (as in before the correction the MP pressure was reading 0.4” higher than actual).

Assume the whatever you are reading for MP is off unless you calibrate the sensor.

Carl
Carl,

Yup - If I had a Dynon system (D180, Skyview EMS, etc.) I could easily adjust MAP readings. Unfortunately, the Garmin G3X suite doesn't have a simple means (read: none that I can find) available to do this...

However, doing the same math on the ground yields a number what's within .01" of what the Garmin G3X reports...so, no adjustment needed.

B
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Last edited by bjdecker : 09-17-2023 at 12:48 PM.
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