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Aircraft Fuel Burn Rate?  
User currently offlineRonerone From Jordan, joined Aug 2004, 1660 posts, RR: 53
Posted (6 years 5 months 1 day 20 hours ago) and read 27957 times:

What is the fuel burn rate per hour (or even minute) for A320, 738, and A332 aircraft during taxi-out and also when during a holding pattern before landing? And how would that rate compare to that when in normal cruise? Anyone any idea?

Any approximate figures would be great! Thanks!

Regards,
Roni


A Stop Away From One-Stop, Is Non-Stop : Airbus A340-500
6 replies: All unread, jump to last
 
User currently offlineFlyf15 From , joined Dec 1969, posts, RR:
Reply 1, posted (6 years 5 months 1 day 18 hours ago) and read 27900 times:

I can't tell you for those types, but I can give you approximate numbers for the CRJ-200... it'll at least give you an idea of the ratios.

Approximate total burn pounds / hour

Taxi: 700 (Both engines and APU)
Takeoff: 6000-7000 (depending on temperature, elevation, reduced/full thrust, etc)
Climb: 6000-3500 (reducing as as altitude increases)
Cruise: 2500-3000 (depending on altitude/weight/etc... subtract 500 for long range, add 500 for high speed)
Holding: 1800-2400 (depending on altitude/speed)
Normal descent: 1500
Idle descent: 600
Approach: 2000 (fully configured)


User currently offlineMarkC From United States of America, joined Apr 2006, 259 posts, RR: 0
Reply 2, posted (6 years 5 months 1 day 16 hours ago) and read 27859 times:

From memory, a 100" 4000 on an A330 burns 2,200 pounds at idle, and I want to say 15,000 at takeoff, but that could be off. I can find out Monday.

User currently offlineRick767 From United Kingdom, joined Jan 2000, 2662 posts, RR: 51
Reply 3, posted (6 years 5 months 1 day 14 hours ago) and read 27830 times:

Assuming sea level, ISA conditions:
A320 with CFM engines - about 270kg/hr (600lb/hr) per engine at idle (taxy)
A320 with V2500 engines - about 330kg/hr (730lb/hr) per engine at idle
A330 with RR Trent 772 engines - about 820kg/hr (1,800lb/hr) per engine at idle

Cruise fuel burn depends on so much, environmental conditions, cruise speed, altitude, weight, etc... but ballpark with a decent passenger load (total burn rates):

A320 - c.2,700kg/hr early in the flight (heavy) reducing to 2,300kg/hr before descent (lighter)
A330-200 with RR Trent 772's - c.6,100kg/hr early in the flight (heavy) reducing to c.5,400kg/hr before descent (lighter)

Holding pattern at typical landing weights (again decent passenger load assumed) will be roughly:

A320 - 2,200kg/hr (total)
A330-200 - 4,600kg/hr (total)

Hope that helps.



I used to love the smell of Jet-A in the morning...
User currently offlineWILCO737 From Greenland, joined Jun 2004, 9003 posts, RR: 76
Reply 4, posted (6 years 5 months 1 day 11 hours ago) and read 27792 times:
AIRLINERS.NET CREW
HEAD MODERATOR

On the 738 we used an everage fuel flow of 2400kg/hr during cruise. Sometimes it was more, with heavy aircraft, lower altitudes, sometimes it was higher, with lower weight and higher altitude...

WILCO737 (MD11F)
 airplane 



It it's not Boeing, I am not going.
User currently offlineRSBJ From United States of America, joined Jan 2006, 152 posts, RR: 0
Reply 5, posted (6 years 5 months 21 hours ago) and read 27722 times:

A guide I use is weight/lb per hour at optimum altitude and LRC. The A320 (with CFM's) is 26.8bs per lb of fuel per hour, the 737-800 with winglets is 28.3. I don't know about the A330, though I can ask pops who flies them for US. It should be close to the 767-400, which is 34.3. I believe the best ratio is the 777NG at around 37.5, though I haven't had an opportunity to see the numbers for myself.
My method has a lot of flaws, but I find it useful nonetheless.



I fly really fast and take a lot of chances.
User currently offlineJonathanDavis From United States of America, joined Mar 2008, 8 posts, RR: 0
Reply 6, posted (6 years 4 months 4 weeks 15 hours ago) and read 27560 times:

I kinda remember HA's 717 jet, I used to work as a load planner for HA in OGG, and I told remember every single fuel burn, but it was something like this

taxi: 500

one-way OGG-HNL, 30minute flight was: 2200 total

and taxi again: 500



the 2200 was the total flight from takeoff,climb,cruise,descent,final

i say not bad, of couse if you had the perfect Center of Gravity for balancing that 717 can save some fuel


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