Tecnam P92 Echo Super - 5.1.2 Engine Main Features and Data

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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Revision Date:
10-29-2007
Revision Number: 3.01