CHAPTER 72
PAGE 4
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 16. June 2008
72-10-00 ENGINE
The engine installed is a TEXTRON Lycoming 6-cylinder
direct drive, horizontally opposed, air cooled engine. Engine
type AEIO-580-B1A, normal rated 2700 RPM, 315 HP. The
following Figure 1 shows the Lycoming engine of the
EXTRA 300/SC:
The induction system is equipped with a RSA 10 AD 1
PRECISION fuel injection system which is attitude inde-
pendent.
The fuel is injected into the intake ports of each cylinder. The
mixture control is proportional to the intake air flow. A
manual mixture adjustment as an overriding system is
provided. The power setting is done manually by means of a
butterfly valve in the air induction tube.
The engine is air cooled. Baffles are provided to build up a
pressure and force the air through the cylinder fins. The
cooling air flow is dependent on engine speed and dynamic
air pressure.
The engine is lubricated by means of an engine driven oil
pump. The system uses an oil sump as reservoir. For acro-
batic maneuvers, lubrication is assured via an inverted flight
oil system (refer to CHRISTEN 801 Inverted Oil Sytem and
Chapter 79).
Lycoming engine
Figure 1
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