P92 Echo Super
Maintenance Manual
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5.1.2
Engine Main Features
The installed engine is a BOMBARDIER-ROTAX type 912 S2 horizontally-opposed four-cylinder, one central camshaft
with pushrods and OHV. Other features include liquid cooled cylinder heads and ram air-cooled cylinders. Prop drive is via
reduction gear with integrated shock absorber and overload protection.
Electric starter, integrated AC generator and mechanical fuel pump are standard.
Technical data:
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Maximum power rating
73.5 kW
RPM @ max power
5800 rpm
Cruise power rating
69.0 kW @ 5500 rpm
Bore
84 mm
Stroke
61 mm
Displacement
1352 cm3
Compression ratio
10.5: 1
Firing order
1-4-2-3
Direction of rotation of prop shaft
clockwise ( pilot
‟
s view)
Max temp. Cylinder heads
135° C
Fuel
See Flight Manual Sect. 2 Limitations
Reduction ratio
1: 2.4286
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Figure 5-2 Engine installation
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47
Revision Date: 10-29-2007
Revision Number: 3.01