Fuel Burn Higher than Rotax Data
in 912iS Technical Questions
8 years ago
Hi All
I have now been flying my Sling 2 with Garmin G3X and Rotax 912iS Sport for around 60 hours. All going well, however I do have a question about fuel usage.
My actual fuel usage is (on average 10% higher than what the Garmin is displaying. And the G3X only gets its data directly from the Rotax computers and totalises the data sent.
I have - on 5 separate occasions - taken from the G3X Touch the fuel usage number. I have then refilled the tanks from a calibrated source. On every occasion, actual fuel used is higher than the Garmin has indicated - between 6% and 12%, with the average around 10%.
Has anyone has had similar observations? Is there any way to rectify this? (The Garmin will not let you change 'K' values or the like with data supplied by the Rotax - you get what you get).
I have emailed the Garmin Team to see what they say, but right now the fuel flow is around 10% higher than what is indicated on my fuel-flow indicated by the Garmin.
Thanks
Ian
Has
I have now been flying my Sling 2 with Garmin G3X and Rotax 912iS Sport for around 60 hours. All going well, however I do have a question about fuel usage.
My actual fuel usage is (on average 10% higher than what the Garmin is displaying. And the G3X only gets its data directly from the Rotax computers and totalises the data sent.
I have - on 5 separate occasions - taken from the G3X Touch the fuel usage number. I have then refilled the tanks from a calibrated source. On every occasion, actual fuel used is higher than the Garmin has indicated - between 6% and 12%, with the average around 10%.
Has anyone has had similar observations? Is there any way to rectify this? (The Garmin will not let you change 'K' values or the like with data supplied by the Rotax - you get what you get).
I have emailed the Garmin Team to see what they say, but right now the fuel flow is around 10% higher than what is indicated on my fuel-flow indicated by the Garmin.
Thanks
Ian
Has
