Cessna Hawk XP R172K Pilot Operating Handbook page 46

SECTION 5
PERFORMANCE
CESSNA
MODEL R172K
CESSNA
MODEL R172K
SECTION 5
PERFOHMANC}<J
CRUISE PERFORMANCE
PRESSURE ALTITUDE 8000 FEET
CONDITIONS:
2550 Pounds
Recommended Lean Mixture
Cowl Flap Closed
For best fuel economy at 70% power or less, op-
erate at 1 GPH leaner than shown in this chart
or at peak EGT if an EGT indicator is installed.
CRUISE PERFORMANCE
PRESSURE ALTITUDE 10,000 FEET
CONDITIONS:
2550 Pounds
Recommended Lean Mixture
Cowl Flap Closed
NOTE
20°C BELOW STANDARD
20°C ABOVE
STANDARD TEMP TEMPERATURE STANDARD TEMP
-21 o C
-1°C
19°C
RPM MP
%
KTAS GPH
%
KTAS GPH
%
KTAS
GPH
BHP BHP BHP
2600 21 77 127
10.9 74 128 10.5 72 127 10.1
20
72 123 10.1 69. 123
9.8 67 122
9.4
19
66
118
9.4
64 118 9.0 62 116 8.8
18 61 113 8.6 59
111 8.3 57 110 8.1
2500 21 74 125
10.4
71 125 10.0 69 124 9.7
20 69 120
9.7 66 120
9.4
64 119 9.1
19
64 116 9.0 61
115 8.7 59 113
8.4
18 59 110
8.4
56 109 8.1 54 108 7.8
2400 21
68 120 9.6 65 119
9.3 63
118 9.0
20
63 115 9.0 61 114 8.6 59 113
8.4
19 58 110
8.3
56
108 8.0 54 107 7.8
18
54 104 7.7 52
103 7.5 50 101
7.2
2300 21
64 116 9.1 62 115
8.7 59
114 8.5
20 59 111
8.5
57
109 8.2 55 109 7.9
, 19
55 105 7.9 53 104
7.6 51 103
7.4
18 50 100
7.3
48
98 7.0 47 96 6.8
2200 21 60 111
8.5 57 110 8.2 55 109 7.9
20 55 106 7.9 53 105
7.7 51 103
7.4
19
51
100
7.4
49 99 7.1 47 97 6.9
18
47 94 6.8 45
93 6.6 43 91
6.4
Figure 5-7. Cruise Performance (Sheet 4 of 6)
5-20
NOTE
For best fuel economy at 70.% power or less, op-
erate at 1 GPH leaner than shown in this chart
or at peak EGT if an EGT indicator is installed.
20°C BELOW
STANDARD
20°C ABOVE
STANDARD TEMP
TEMPERATURE
STANDARD TEMP
-25°C
-5°C
15°C
%
%
KTAS
GPH
%
KTAS GPH
RPM
MP
BHP
KTAS
GPH
BHP
BHP
2600 19
69 123 9.8 67
122
9.4
64 121 9.1
18 64
117 9.0 61 116
8.7 59 115
8.4
17 58
110 8.3 56
109 8.0 54
108 7.8
16
53
104 7.6 51 102 7.3
49 100 7.1
2500 19
67 120
9.4
64 119 - 9.1 62
118 8.8
.-
18 62 115
8.7 59 113
8.4
57 112 8.2
17 56
108 8.0 54
107 7.8 52 105
7.5
16
50 101 7.3
49 99 7.1
47 97 6.8
2400 19 61
114 8.6
59 112 8.3 56
.iu,
8.1
18 56 108 8.0
54 107 7.8
52 105 7.5
17 51
102
7.4
49
100 7.2 48
99
7.0
16
47 95 6.8
45 94 6.6
43 91
6.4
2300 19 57
109 8.2 55
108 7.9 53
107 7.7
18 53
104 7.6
51 102 7.3
49 100 7.1
17 48
97 7.0 46 95
6.8 45 94
6.6
2200 19
53
104 7.7 51 103
7.4
49 101 7.2
18 49
98 7.1 47
97 6.9 45 95
6.7
17
45 92
6.6 43 90
6.4
42 88 6.2
Figure 5-7. Cruise Performance (Sheet 5 of 6)
5-21