Fuel Burn Higher than Rotax Data
in 912iS Technical Questions
9 years ago
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Re: Fuel Burn Higher than Rotax Data
by Ross rynehart » 9 years ago
Hi Ian,
I have 220hrs and experience the same fuel reading inconsistency- I have MGL instruments. I just work on a conservative figure for fuel management and seldom let it get below two hours of fuel left. I just dont like working on a margin of 10 lt. However, your post and the replies have me now checking the ability of the MGL instrument to bias the reading as per Rogers suggestion.
cheers
r
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Re: Fuel Burn Higher than Rotax Data
by Scott Silverman » 5 years ago
Ian,
I see this post is four years old.
Have you been able to fix the prolem?
I have a brand new aircraft, Rotax 912iS, Garmin G3X.
Seeing the exact same fuel consumption showing 10% higher than the gamin is displaying.
I find this unacceptable and need to find a solution to fix it.
Scott
Super Petrel LS
N300PW
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Re: Fuel Burn Higher than Rotax Data
by Roger Lee » 5 years ago
The two common causes of fuel flow readings being off are either the "K" factor in the instrument needs adjustment or the prop pitch. Too much pitch cause a lot more fuel use. Your MGL may have a fuel flow adjustment in the menu for a fuel transducer.
Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell
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