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#5
October 18th 03, 03:10 AM
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I have an FS450 on my Mooney. It is not hard to keep it calibrated.
All you have to do it compare the running totals when you fill your tanks. The fact you are switching between tanks is generally not relevant. The gauge/fuel flow turbine is accurate to within 2%. I think the error induced from variabilities in filling is most of that. It is an excellent instrument and safety item. I have no affiliation to JPI. Bob Miller '65M20C - KCPS St. Louis MO Subtract this percentage from the current K-factor. Go fly again, record time and quantity. High by 13%. Add that to the current K-factor. The subsequent two flights were 0.4 gph over and 0.1 gph over. Close enough! 
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