Rotax 914 series User Manual

Effectivity: 914 Series BRP-Powertrain page 5-5
OM Edition 2 / Rev. 0 April 01/2010
d04477.fm
Performance
graph
Performance graph for non-standard conditions
Fig. 4
03123
Example:
Max. continuous power at 10 000 ft?
Temperature ISA at 10 000 ft ................................-5 °C
Ambient temperature at 10 000 ft..........................-15 °C
Temperature difference to ISA ..............................-10 °C
Max. continuous power as per table..................72 kW
Altitude
(ft) (°C) (°K) -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35
-2000
19 292
101 99 97 95 94 92 90 89 87 86 84 83 81 80 79 78 76
0
15 288
100 98 96 94 93 91 89 88 86 85 83 82 80 79 78 77
2000
11 284
99 97 95 93 92 90 88 87 85 84 82 81 79 78 77 76
4000
7 280
98 96 94 92 91 89 87 86 84 83 81 80 78 77 76
6000
3 276
97 95 93 91 90 88 86 85 83 81 80 79 77 76
8000
-1 272
96 94 92 90 88 87 85 83 82 80 79 78 76
Altitude
(ft) (°C) (°K) -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35
-2000
19 292
88 86 85 83 81 80 78 77 76 74 73 72 71 70 69 67 66
0
15 288
87 85 84 82 80 79 78 76 75 74 72 71 70 69 68 67 66
2000
11 284
87 85 83 81 80 78 77 76 74 73 72 70 69 68 67 66 65
4000
7 280
86 84 82 81 79 78 76 75 73 72 71 70 68 67 66 65 64
6000
3 276
85 83 82 80 78 77 75 74 73 71 70 69 68 66 65 64
8000
-1 272
84 82 81 79 77 76 74 73 72 70 69 68 67 66 64 63
10000
-5 268
83 82 80 78 77 75 74 72 71 69 68 67 66 65 63
12000
-9 264
82 81 79 77 76 74 72 71 70 68 67 66 65 64
14000
-13 260
81 79 77 76 74 73 71 70 68 67 66 65 63
16000
-17 256
80 78 76 75 73 72 70 69 67 66 65 64
Temperature
ISA
Temperature
ISA
Take-off performance (kW)
Max. Continuous power (kW)
Temperature difference to ISA Temperature difference to ISA

Rotax 914 series Specifications

General

Bore	79.5 mm
Stroke	61 mm
Compression Ratio	9.0:1
Cooling System	Liquid-cooled cylinder heads, air-cooled cylinders
Redline	5800 rpm
Engine Type	4-cylinder, 4-stroke
Fuel Type	Avgas 100LL
Oil System	Dry sump
Fuel System	fuel injection
TBO (Time Between Overhauls)	2000 hours
Displacement	1.211 liters (1211 cc)
Power Output	84.6 kW (115 hp) at 5, 800 rpm