
26
Pilot’s Operating Handbook DFE Ultralights Ascender III-C
CRUISE PERFORMANCE
Density Altitude
Cruise Speed
RPM
Power
Fuel Flow
Endurance
Range
(1/2 hour reserve)
(1/2 hour reserve)
Solo
1000 feet
40 mph
4500
55%
9.5 litres/hr
3.1 hrs
124 sm
1000 feet
45 mph
5000
70%
10 litres/hr
3.0 hrs
133 sm
Two-place
1000 feet
50 mph
5200
74%
11 litres/hr
2.5 hrs
129 sm
RPM HP %
Power Torque (ft.lb) % Torque
3000 7 14% 11 27%
3250 9 18% 15 37%
3500
12
24% 18 44%
3750
15
30% 20 49%
4000
19
38% 24 59%
4250
23
46% 28 68%
4500
27
54% 32 78%
4750
30
60% 34 83%
5000
35
70% 37 90%
5250
40
80% 38 93%
5500
42
84% 40 98%
5750 45 90% 41 100%
6000 47 94% 41 100%
6250 49 98% 41 100%
6500 50 100% 39 95%
LANDING PERFORMANCE
Density Altitude Distance
1000 feet
240 feet