Sling 4 TSi - Page 37

Sling 4 TSi Section 2
Pilot Operating Handbook
Limitations
Document Number: DC-POH-001-X-F-3.0 Page | 2-10
Revision: 3.0 Date: 2021/07/14
2.14.3 Engine Operational and Speed Limits
Item
Value
Engine Model
ROTAX 915 iS
Engine Manufacturer
Bombardier-Rotax GMBH
Power
Maximum take-off
105 kW / 141 hp at 5800 rpm,
max. 5 minutes
Maximum continuous
100 kW / 135 hp at 5500 rpm
Cruise 75% Throttle
90 kW / 120 hp at 5000 rpm
RPM
Maximum take-off
5800 rpm, max. 5 minutes
Maximum continuous
5500 rpm
Cruise
5000 rpm – 5400 rpm
Idle
1 400 rpm (minimum)
Oil Temperature
Minimum
50 °C (122 °F)
Maximum
130 °C (266 °F)
Normal
90 to 110 °C (194 to 230 °F)
(a)
EGT
Maximum
950 °C (1742 °F)
Coolant
Temperature
Minimum
-20 °C (-4 °F)
Maximum
120 °C (248 °F)
Oil pressure
Minimum
0.8 bar (12 psi) – below 3500
rpm
Maximum
7 bar (102 psi) – permissible for
short period during cold engine
start
Normal
2 to 5 bar (29 to 73 psi) – above
3500 rpm
Fuel Pressure
Minimum
2.8 bar (40.6 psi)
Maximum
3.2 bar (46.5 psi)
Manifold Pressure
Minimum
1.77 in. hg (60 hPa)
Maximum
51 in. hg (1727 hPa)
NOTE
a. Oil temperature must, once per flight day, exceed 100°C to boil off
any moisture that may have collected in the oil.