March 2012 Issue

Letters: March 2012

In spring, I had a new Garmin GTN750 installed in my 1983 Mooney 201 and was amazed by the unit’s performance. The only thing missing was fuel management capability and as a result, I had the fuel flow option added to the existing EDM-700 and wired into the GTN. Since this was my first exposure to fuel flow monitoring, I didn’t know what to expect in terms of reliability and accuracy. And what I experienced in the field blew me away. I was expecting a reporting accuracy rate of perhaps 96 percent, but was pleasantly surprised to find the accuracy greater than 99 percent. At each fill-up, I compare the fuel loaded onboard with what the unit stated as actually having been used and the numbers are always within a few ounces.

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