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OPERATION MANUAL
SILA 450 c
AERO EAST EUROPE
Date 01.09.2015.
Revision 00
Page | 12
LIMITATIONS
2.4 POWER PLANT LIMITATIONS
-Engine Manufacturer:
BRP-Powertrain GmbH & Co KG
-Engine Model Number:
912 UL
-Maximum Power:
80 HP rating and others
-Engine Operating Limits or Takeoff and continuous Operations:
Maximum Engine Speed:
5800 RPM maximum for 5 min
Maximum Oil Temperature:
According Engine Manual
NOTE
Static engine RPM should be 5100+250 under clear weather without wind
-Oil Pressure
Minimum:
0.8 bar at 3000 rpm - 12 psi at 3000 rpm
Maximum:
7 bar 101.5 psi.
-Oil Grade (Specification):
10w – 40 / 5w - 50
-Propeller Manufacturer:
Woodcomp s.r.o. and others
-Propeller Model Number:
Woodcomp SR 3000 and others
-Propeller Diameter:
1700 millimeters
NOTE:
The static RPM range at full throttle 5800rpm per 5 minute in case
- redactor per engine 2:43 100hp is 2389 rpm
- redactor 2:27 per engine 80hp is 2555 rpm
2.5 POWER PLANT INSTRUMENT MARKINGS ROTAX 912 UL
Power plant instrument markings and their color code significance are shown in figure 2-3
INSTRUMENT
RED LINE
GREEN ARC
YELLOW ARC
RED LINE
MINIMUM
LIMIT
NORMAL
OPERATING
MAXIMUM
LIMIT
Tachometer:
Sea Level
5000 ft
10000 ft
1400 RPM
1400 – 5500 RPM
1400 – 5500 RPM
1400 – 5500 RPM
5500 – 5800 RPM
5500 – 5800 RPM
5500 – 5800 RPM
5800 RPM
5800 RPM
5800 RPM
Oil Temperature
50
0
C
90 – 110
0
C
50-90;110-130°C
130
0
C
Oil Pressure
0,83 bar
12 psi
2 – 5 bar
29 – 73 psi
0,83 – 2;5 – 7 bar
12 – 29;73 – 102 psi
7 bar
102 psi
CHT
50
0
C
50 – 130
0
C
130-135
0
C
135
0
C
Fuel Quantity
0 l
0 gallons
8 – 100 l
2,12– 26,4 gallons
0 – 8 l
0 – 2,12 gallons
100 l
26,4 gallons
Suction
6,5 l/h
12,5 – 17,5 l/h
N/A
25 l/h
Figure 2-3 Power Plant Instrument Markings
Remark :
The colors on engine instruments are the same as in Figure 2 – 3