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### Author Topic: [ok] Il-62M parameters  (Read 455 times)

#### chiveicrook

• Members
• Posts: 187
##### [ok] Il-62M parameters
« on: July 16, 2015, 07:16:53 PM »
Hello again!
Found some time to study this hefty document (be warned: 500+ pages PDF): http://aviadocs.net/RLE/IL-62M/CD1_ITYE/RLYE/IL_62M_RLE_ch1.pdf

Quick overview of needed general corrections:
1. Standard all economy cabin layout was 168 seats.
2. Long-distance cruise speed is 0.78M
3. According to an example in the flight manual the average fuel consumption for a 10 hour, 8000km flight (including T-off, cruise, landing, unspent reserves etc.) is roughly 6600kg/h!

Now time for details:
MTOW   165000   kg
Max landing weight   105000   kg
Max empty weight   95500   kg
Empty weight   73000   kg
Max fuel in litres   105300   l
Max fuel @0.825 kg/l   86870   kg
1   6200   kg
2   3300   kg
3   2000   kg
4   1340   kg
total:   12840   kg

Max operational speed in Mach   0.83   M
Max operational IAS   600   kph
Max emergency descent IAS   700   kph
Long-range cruise speed   0.77-0.78   M
Max cruise   0.82   M
Runway requirement at MTOW   3000   m

Fuel needed to climb (standard, max mass)
0-9600m, 21 minutes   4600   kg
0-12100m, 24 minutes   5000   kg
averaged climb fuel consumption rate   12821,42857   kg/h

Fuel needed for descent
12100-600m, 18 minutes   880   kg
5100-600m, 10 minutes   500   kg
averaged descent consumption rate   2966,666667   kg/h

Code: [Select]
`Weight [t]        165 157 141 126 115 <109Max Flight Altitude [m] 9600 10100 10600 11100 11600 12100`
0.78M cruise, hourly fuel consumption in kg/h
Altitude[m] vs Weight[t]
 165 160 155 150 140 130 120 110 100 90 9100 8255 8075 7890 7700 7360 7040 6795 6570 6425 6290 9600 8120 7930 7720 7540 7160 6820 6500 6250 6060 5920 10100 - - 7530 7370 6980 6620 6270 5980 5730 5530 10600 - - - - 6880 6500 6130 5860 5490 5250 11100 - - - - - 6420 6040 5670 5330 5050 11600 - - - - - - - 5620 5250 4930 12100 - - - - - - - 5600 5210 4840

AWS range seems to be correct so I'll skip it.

Once I find more data for cargo etc. I'll post them.
« Last Edit: January 14, 2016, 11:16:03 PM by sami »

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