compare computed ff5’schecksix-fr.com/downloads/falcon4/topolo/beta/f-18c fm.pdf ·...
TRANSCRIPT
F-18 Hornet Flight Model in FF5
Compare computed FF5’s
Hornet performance
with Real Life Data
RL data extracted from
A1-F18AC-NFM-210
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
50,000
55,000
60,000
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80
Alt
(ft
)
Mach
Level Flight EnveloppeMIL & A/B Power
The maximum Mach values over
35,000ft read from Flight
Envelope diagram (p. 11-274)
seems too high compared to
those given p11-290, 294 & 297
(marked with red cross)
F-18C (F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
Supposed to fit the (1) curve
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
0
20
40
60
80
100
120
140
160
180
0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80
Tim
e (
s)
Mach
Acceleration (Max Thrust AB)
0
10,000
30,000
RL 10,000
RL 30,000
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
0
30
60
90
120
150
180
0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80
Tim
e (
s)
Mach
Acceleration (Max Thrust AB)
35,000
40,000
45,000
RL 35,000
RL 40,000
RL 45,000
F/A-18C Hornet Flight Model in FF5
Computed turn
performances
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
CAS (Kts)
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
AoAMax
-600
-400
-200
0
200
400
600
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
CAS (Kts)
Tu
rn R
ate
(d
eg
ree
pe
r s
ec
on
d)
AoAMax
-600
-400
-200
0
200
400
600
+600
+400
+200
-600
-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 24.7 d/s
-200Max. Sustained. Turn Rate = 17.15 d/s
Sea Level 5,000ft
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
+600
+400
+200
-600
-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 22.77 d/s
-200Max. Sustained. Turn Rate = 15.30 d/s
2G
4G
6G
8G
2G
4G
6G
8G
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
CAS (Kts)
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
AoAMax
-600
-400
-200
0
200
400
600
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
CAS (Kts)
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
AoAMax
-600
-400
-200
0
200
400
600
+600
+400
+200
-600
-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 21.0 d/s
-200 Max. Sustained. Turn Rate = 13.2 d/s
10,000ft 15,000ft
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
+400
+200
-600
-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 19.2 d/s
-200Max. Sustained. Turn Rate = 10.4 d/s
2G
4G
6G
8G
2G
4G
6G
8G
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
CAS (Kts)
AoAMax
-600
-400
-200
0
200
400
600
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
CAS (Kts)
AoAMax
-600
-400
-200
0
200
400
600
+200
-600
-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 18.1 d/s
-200
Max. Sustained. Turn Rate = 8.9 d/s
20,000ft 25,000ft
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
+200
-600
-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 17.2 d/s
-200 Max. Sustained. Turn Rate = 8.0 d/s
2G
4G
6G
8G
2G
4G
6G
8G
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
CAS (Kts)
AoAMax
-600
-400
-200
0
200
400
600
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
CAS (Kts)
AoAMax
-600
-400
-200
0
200
400
600
+200
-600
-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 15.9 d/s
-200Max. Sustained. Turn Rate = 17.15 d/s
30,000ft 35,000ft
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
+200
-600
-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 13.2 d/s
-200Max. Sustained. Turn Rate = 5.1 d/s
2G
4G
6G
8G
2G
4G
6G
8G
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
CAS (Kts)
AoAMax
-600
-400
-200
0
200
400
600
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
20.00
22.00
24.00
26.00
28.00
30.00
0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800
Tu
rn R
ate
(d
eg
ree p
er
seco
nd
)
CAS (Kts)
AoAMax
-600
-400
-200
0
200
400
600
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
-600-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 10.9 d/s
-200
Max. Sustained. Turn Rate = 3.7 d/s
-600-400
Ve
locity
Ne
ve
r Exce
ed
Max. Insant. Turn Rate = 9.7 d/s
-200
Max. Sustained. Turn Rate = 2.6 d/s
2G
4G
6G
8G
2G
4G
6G
8G
40,000ft 45,000ft
F/A-18C Hornet Flight Model in FF5
Computed Climb
performances
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
Max A/B Thrust
0
100
200
300
400
500
600
700
800
900
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80
Excess S
pecif
ic P
ow
er
(ft/
s)
Mach
Instantaneous Climb Rate
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
Max A/B Thrust
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80
Cli
mb
An
gle
(d
eg
)
Mach
Climb Angle
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
MIL Thrust
0
100
200
300
400
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80
Excess S
pecif
ic P
ow
er
(ft/
s)
Mach
Instantaneous Climb Rate
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
F/A 18-C(F404-GE-402)
(2) AIM-9 + (2) AIM-7
60% Fuel Remaining
GW=33,696 lb
MIL Thrust
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80
Cli
mb
An
gle
(d
eg
)
Mach
Climb Angle
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000