Cruise Performance - Cirrus DESIGN SR20 Information Manual

Cirrus Design
SR20
Conditions:
• Mixture ............................. Best Power
• Cruise Weight........................2600 LB
• Winds ..........................................Zero
Note: Subtract 10 KTAS if nose wheel pant
and fairing removed. Lower KTAS by 10% if
nose & main wheel pants & fairings removed.
Cruise Pwr above 85% not recommended.
2000 Feet Pressure Altitude
RPM MAP
2700 27.8
2500 27.8
2500 26.6
2500 25.4
2500 24.1
2500 22.9
2500 22.0
2500 19.7
4000 Feet Pressure Altitude
RPM MAP
2700 25.8
2500 25.8
2500 24.8
2500 23.6
2500 22.3
2500 21.0
2500 19.8
6000 Feet Pressure Altitude
RPM MAP
2700 24.0
2500 24.0
2500 23.0
2500 21.8
2500 20.8
2500 19.4
P/N 13999-002 Info Manual
September 2011

Cruise Performance

ISA - 30° C (-19° C)
PWR KTAS GPH
101% 160 16.0
90% 154 14.1
85% 151 13.4
80% 147 12.7
74% 143 11.5
69% 139 11.0
65% 136 10.5
55% 127 9.5
ISA - 30° C (-23° C)
PWR KTAS GPH
94% 159 14.8
84% 153 13.3
80% 150 12.7
75% 146 11.5
69% 141 10.9
63% 136 10.3
58% 131 9.8
ISA - 30° C (-27° C)
PWR KTAS GPH
88% 159 13.8
79% 152 12.0
74% 148 11.5
69% 144 11.0
65% 140 10.4
59% 134 9.8
Example:
Outside Air Temp ...................29° C
RPM ..............................2700 RPM
Cruise Press Alt................ 8000 FT
% Power (22.2 MAP) .............. 73%
True Airspeed ................ 154 Knots
Fuel Flow ........................11.4 GPH
ISA (11° C)
PWR KTAS
95% 160
85% 154
80% 151
75% 147
70% 143
65% 139
62% 136
52% 127
ISA (7° C)
PWR KTAS
89% 159
79% 153
75% 150
70% 146
65% 141
60% 136
55% 131
ISA (3° C)
PWR KTAS
83% 159
74% 152
70% 148
65% 144
61% 140
55% 134
Figure 5-16
Sheet 1 of 2
Performance Data
ISA + 30° C (41° C)
GPH PWR KTAS
15.0 91% 157
13.4 81% 151
12.8 76% 148
11.6 72% 144
11.1 67% 140
10.6 62% 136
10.2 59% 133
9.20 50% 124
ISA + 30° C (37° C)
GPH PWR KTAS
14.4 84% 157
12.7 75% 150
11.6 72% 147
11.1 67% 143
10.5 62% 138
10.0 57% 133
9.4 52% 129
ISA + 30° C (33° C)
GPH PWR KTAS
13.1 79% 156
11.5 71% 149
11.1 67% 145
10.6 62% 141
10.0 58% 137
9.5 53% 131
Section 5
GPH
14.2
12.9
11.7
11.3
10.7
10.2
9.9
8.9
GPH
13.4
11.7
11.2
10.8
10.2
9.7
9.2
GPH
12.6
11.1
10.7
10.2
9.7
9.2
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