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)
M
anifold 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.