作者jphant (struct packet_type *pt)
看板Aviation
標題Re: [問題] 請問關於飛機重量對於飄降距離的影響
時間Fri Jan 11 16:12:40 2008
這是從老的744手冊上抄下來的 NOV 14/97 十年前的data...
(04.03.06)
747-400 PERFORMANCE RB211-524G
FLIGHT WITH UNRELIABLE AIRSPEED
[中略]
DESCENT
FLAPS UP, SET IDLE THRUST
(只取最後兩行好了)
--------------+------------------------------------------------------------
PRESSURE WEIGHT (1000 KG)
ALTITUDE (FT) 390 350 300 250 200
--------------+------------------------------------------------------------
10000 PITCH ATT 2.3 1.6 0.5 -0.6 -2.0
(290 KIAS) V/S (ft/min) -1600 -1600 -1600 -1800 -2000
SEA LEVEL PITCH ATT 2.4 1.6 0.5 -0.7 -2.2
(290 KIAS) V/S (ft/min) -1400 -1400 -1500 -1600 -1800
---------------------------------------------------------------------------
Altitude and/or vertical speed indications may also be unreliable.
而在FINAL APPROACH的時候就不是用定速了
FINAL APPROACH (SEA LEVEL)
GEAR DOWN, EPR FOR 3 (deg) GLIDESLOPE
---------------------------------------------------------------------------
FLAP POSITION WEIGHT (1000 KG)
(VREF + INCREMENT) 300 250 200
---------------------------------------------------------------------------
FLAPS 20 PITCH ATT 5.1 5.1 5.1
(VREF20+10) EPR 1.15 1.12 1.10
KIAS 168 154 137
FLAPS 25 PITCH ATT 2.6 2.6 2.6
(VREF25+10) EPR 1.18 1.15 1.12
KIAS 174 158 142
FLAPS 30 PITCH ATT 1.4 1.4 1.4
(VREF30+10) EPR 1.23 1.19 1.16
KIAS 167 153 136
---------------------------------------------------------------------------
一樣是FLIGHT WITH UNRELIABLE AIRSPEED出來的 希望能供參考
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