SECTION 2
LIMITATIONS
PS-POH-1-1-01
Date of issue: 10/03/31
Revision: -
2-6
2.12 Engine operating speeds and limits
Engine Model:
ROTAX 912 ULS
Engine Manufacturer:
Bombardier-Rotax GMBH
Max. Takeoff:
98.6 hp (73.5 kW) at 5,800 rpm (max. 5 min.)
Max. Continuous:
92.5 hp
(69 kW) at 5,500 rpm
Power
Cruising (75%):
68.4 hp (51 kW) at 5,000 rpm
Max. Takeoff:
5,800 rpm (max. 5 min)
Max. Continuous:
5,500 rpm
Cruising (75%):
5,000 rpm
Engine RPM
Idling:
1,400 rpm (minimum)
Minimum:
12 psi (0.8 bar) below 3,500 rpm
Maximum:
102 psi (7 bar) cold engine starting
Oil
pressure
Optimum:
29 - 73 psi (2 - 5 bar) above 3,500 rpm
Minimum:
122° F (50 °C)
Maximum:
266° F (130 °C)
Oil
temperature
Optimum:
194 - 230° F (90 - 110 °C)
Minimum:
122° F (50 °C)
C
y
li
nder
head
temp
er.
(CHT
)
Maximum:
275 ° F (135 °C)
*
Nominal:
1,472° F (800 °C)
Maximum:
1,562° F (850 °C)
Exhaust
gas
temperature
(EGT)
Max. Takeoff:
1,616° F (880 °C)
Minimum:
2.2 psi (0.15 bar)
Fuel
press.
Maximum:
5.8 psi (0.4 bar)
*
See the Rotax Operator’s manual section 10.1.2 Operating speeds and limits and section
10.2.1 Coolant, Rotax Installation manual section 12 Cooling system, Rotax Service
Instruction SI-912-016, POH Section 8, paragraph 8.5.3 Coolant and Section 9,
Supplement No. 02. Type of coolant used in engine.
Summary of Contents for Piper Sport
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