BRISTELL S-LSA, Руководство по техническому обслуживанию и инспекции

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10.CHAPTER
– POWER UNIT
Document: SLSA-MIP-5-4-0-US Date of Issue: 05/2016 Revision: -
10-3
10.1 General
The standard power unit of BRISTELL S-LSA airplane consists of ROTAX 912 ULS engine
and Fiti Eco Competition 3LR 158, 3-bladed, ground adjustable propeller.
Optionally other engines (Rotax 912, 914, 912 iS, Jabiru 2200, 3300) and propellers may be
installed.
BRISTELL S-LSA, S/N 231/2016 is fitted with ROTAX 912 iS Sport and Fiti Eco Competition
3LRSE 158, 3-bladed, in-flight electrically adjustable propeller
10.2 Description and operation
10.2.1 Engine
ROTAX 912 iS Sport is 4-stroke, 4cylinder horizontally opposed, spark ignition engine, single
central camshaft push rods
– OHV. Liquid cooled cylinder heads, ram air cooled cylinders,
dry sump forced lubrication, fully redundant electronic engine management (EMS) includes
fuel injection, ignition characteristics, etc. Propeller drive via integrated gearbox with
mechanical shock absorber and overload clutch. Oil tank, electric starter (12 V 0.8 kW), fuel
pump assy.
10.2.1.1 Technical data of the engine
Engine Model: ROTAX 912 iS Sport
Engine Manufacturer: Bombardier-Rotax GMBH
Power
Max Take-off: 73.5 kW (100 HP) at 5800 rpm, max.5 min.
Max. Continuous: 72 kW (97 HP) at 5500 rpm
Cruising 75%: 54.0 kW (73.4 HP) at 5000 rpm
Engine
speed
Max. Take-off:
5800 rpm (max. 5 min)
Max. Continuous:
5500 rpm
Cruising 75%: 5000 rpm
Idling:
min 1400 rpm
Coolant
temperature
Minimum: -
Maximum:
120 °C (248 °F)
Optimum: 80
– 110 °C (176 - 230 °F)
Oil
temperature
Minimum:
50 °C (120 °F)
Maximum:
130 °C (266 °F)
Normal operating: 90
– 110 °C (190 – 230 °F)
Oil
pressure:
Minimum: 0.8 bar (12 psi) - below 3500 rpm
Maximum: 7 bar (102 psi) - For a short period at cold start
Normal:
2 - 5 bar (29-73 psi) - above 3500 rpm
Exhaust
gas temp.
Maximum:
950 °C (1742 °F)
Fuel
pressure
Maximum: 3.2 bar (46.5 psi)
Minimum: 2.8 bar (40.5 psi)
Ambient
temperature
Maximum in flight:
60 °C (140 °F) (manifold temperature)
Maximum at start:
50 °C (120 °F) (ambient temperature)
Minimum at start: -
20 °C (-13 °F) (oil temperature)