2-4
Date of Issue: 11/2017
Document No.:
ELSA-AOI-2-1-0-US
Revision: -
2.4
Power plant
2.4.1
Engine operating speeds and limits
Engine Model:
ROTAX 912 ULS 2
Engine Manufacturer:
Bombardier-Rotax GMBH
Po
w
e
r
Max Take-off:
100 hp at 5800 rpm, max.5 min.
Max. Continuous:
92.5 hp at 5500 rpm
Cruising:
68.4 hp at 5000 rpm
En
g
in
e
R
P
M
Max. Take-off:
5800 rpm, max. 5 min.
Max. Continuous:
5500 rpm
Cruising:
5000 rpm
Idling:
~1400 rpm
C
y
li
n
d
e
r
h
e
a
d
te
m
p
e
ra
tu
re
(C
H
T
)
O
ld
e
r
e
n
g
in
e
s
S/
N
w
ith
o
u
t
Su
ffi
x
-
01
Minimum:
50 °C (122 °F)
Maximum:
135 °C (275 °F)
conventional coolant
- permanent
monitoring of coolant temperature and CHT
is necessary
Waterless coolant
- permanent monitoring
of CHT is necessary
Optimum:
80
– 110 °C (176-230 °F)
C
o
o
la
n
t
te
m
p
e
ra
tu
re
(C
T
)
N
e
w
e
n
g
in
e
s
S/
N
w
ith
Su
ffi
x
-
01
Minimum:
50 °C (122 °F)
Maximum:
120 °C (248 °F)
only conventional coolant allowed
Optimum:
80
– 110 °C ( 176-230 °F)
O
il
te
m
p
e
ra
tu
re
Minimum:
50 °C (122 °F)
Maximum:
130 °C (266 °F)
Optimum:
90
– 110 °C (190-230 °F)
O
il
p
re
s
s
u
re
:
Minimum:
0.8 bar (12 psi) - below 3500 rpm
Maximum:
7 bar (102 psi) - cold engine start
Optimum:
2 - 5 bar (29
– 73 psi) - above 3500 rpm
Ex
h
a
u
s
t
g
a
s
e
s
te
m
p
.
Maximum:
880 ° C (1616 °F)
Summary of Contents for BRISTELL ELSA
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