3-4
Date of Issue: 04/2008
Revision: 1.0
2.4 Powerplant
2.4.1 Engine operating speeds and limits
Engine Model:
ROTAX 912 ULS
Engine Manufacturer:
Bombardier-Rotax GMBH
P
owe
r
Max Take-off:
98.6 hp
at 5800 rpm, max.5 min.
Max. Continuous:
92.5 hp
at 5500 rpm
Cruising:
68.4 hp
at 5000 rpm
E
ngi
ne RPM
Max. Take-off:
5800 rpm, max. 5 min.
Max. Continuoust:
5500 rpm
Cruising:
5000 rpm
Idling:
~1400 rpm
Cyl
in
d
e
r h
e
a
d
te
m
p
e
ra
tu
re
:
Minimum:
-
Maximum:
248 / 275° F
*
Optimum:
167 - 230° F
Oil
te
m
p
e
ra
tu
re
Minimum:
122° F
Maximum:
266° F
Optimum:
194 - 230° F
Oi
l
p
re
s
s
u
re
:
Minimum:
12 psi
- below 3500 rpm
Maximum:
102 psi
-
cold engine starting
Optimum:
29 - 73 psi
- above 3500 rpm
*
Max. CHT temperature depend on the type of coolant used in engine.
- see Section 2.4.4 and Section 10 Supplement No.2
