Airplane Factory SLING LSA
Pilot Operating Handbook
Page | 2-12
Date of Issue: 07 July 2014
Revision : 1.3
ENGINE OPERATING AND SPEEDS LIMITS (912 ULS)
Engine Model:
ROTAX 912 ULS
Engine Manufacturer:
Bombardier-Rotax GMBH
Power
Maximum
take-off
73.5 kW (98.6 hp) at 5800 rpm, max. 5 min.
Maximum
continuous
69 kW (92.5 hp)at 5500 rpm
RPM
Maximum take-
off
5800 rpm, maximum 5 minutes
Maximum
continuous
5500 rpm
Idle
1 600 rpm (minimum)
Cylinder head
temperature
Minimum
N/A
Maximum
135 °C (275 °F)
Normal
75 to 110 °C (167 to 230 °F)
Oil
temperature
Minimum
50 °C (122 °F)
Maximum
130 °C (266 °F)
Normal
90 to 110 °C (194 to 230 °F)
EGT
Maximum
880 °C (1616 °F)
Coolant
temperature
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