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A310-300 Fuel Consumption


OliveBeast20441
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Go to solution Solved by jbates03,

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Hello INIBuilds Team,

First off, thank you for this aircraft. I've had a lot of fun flying this plane all over the world under the Canadian Forces livery.

I have noticed that the fuel consumption is 15% higher than expected. As the ENGINES.CFG file is encrypted, could you please look at  the fuel flow values and adjust as necessary to produce the published range required? At present, the aircraft is burning 11,000PPH at 0.78M at FL350 (ISA), which is much higher than the published rate of 9500PPH (4300KPH). 

To compensate, my SimBrief profile shows a P15 fuel factor. When flying at various altitudes (FL350-390, depending on the flight duration), the fuel burn is correct and I can land with reserves intact.

Again, thank you for this study-level aircraft!

Sincerely,

Mark

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I am using the iniBuilds profile above and have changed it to P05. Without this I was finding that in the first part of the flight i was ahead on the fuel usage but then say from hour 2 onwards i was falling further and further behind. P05 seems to work for me.

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Hello,

I am using the SimBrief profile, as noted above. Having it adjusted to P15 gives me the range and reserves that I need when plotting a flight plan in SimBrief.

My last flight was from Brussels to Ottawa (7:20 flight time) and SB calculated 70,887 lbs. of fuel required, excluding reserves and alternate. That equates to about 9700PPH, which is about right, but that was calculated with the P15 fuel factor. If it were set to zero (0), I would have run out of fuel before reaching my destination.

I noticed on the MSFS2020 Aircraft page that the range is stated at 3500nm, at a cruise speed of 455knots and an endurance of seven (7) hours. If that is the numbers to use, then my calculations are not correct and you can disregard the above :-).

Best regards,

Mark

A310-300.jpg

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19 hours ago, gumbyger said:

It´s a bit weird, cause when we tested the profile we found it to be very reliable, even on long distances. Did you pause the sim by any chance during your flight?

I didn’t pause either. When i was checking actual v simbrief plan against waypoints the fuel usage was better than plan during the climb but then in cruise it started to go the other way very quickly!

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Just started flying the A310 in MSFS and new to this forum.  I noticed that the question was asked if the sim was paused concerning fuel usage.  I was flying from KORD to KDEN and paused the sim while I ate dinner.  When I came back I unpaused the sim and was low on fuel.  Does the plane continue to burn fuel while it is paused?

Thanks, Jack

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Jack,

This is a normal occurrence (and very annoying) when using either Pause or Active Pause in MSFS2020. The aircraft stops moving, but everything else keeps going (time elapsed, fuel consumption, weather changes, etc.).

There is a workaround for the default aircraft, which is to enable Developer mode and from that menu, select Options-Pause Simulation. This will stop all functions, just like it did in FSX. I believe that INIBuilds was looking at incorporating this feature in a future revision, but for now it will continue to consume fuel, even when paused in Developer mode.

Mark

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