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Page Date: 20. April 2002
Section 7
Description and Operation of Aircraft and Systems
Pilot´s Operating Handbook
EXTRA 300L
7.10.6
MIXTURE
Vernier-control located at the left side of the rear cockpit (red knob).
7.10.7
RPM-CONTROL
Vernier-control on the left side of the rear cockpit.
Preselection of RPM possible due to constant speed governor (blue knob).
7.10.8
FUEL SELECTOR VALVE
Dual control. A rotary fuel selector valve is mounted behind the firewall on the right side of the
fuselage. A torque tube connects the valve to both cockpit handles. Pull and turn the handle
90° to open the valve to the Acro & Center tank. A further 90° turn switches to the Wing tank
fuel supply.
Position down = CLOSED
Position left =
ACRO & CENTER TANK
Position up =
WING TANK
7.10.9
EXHAUST SYSTEMS (OPTIONAL)
Optionally the EA 300/L can be equipped with an additional silencer system type Gomolzig.
The attachment is integrated in the fuselage structure. Thus no modifications are necessary
to install the silencer system.
Alternatively a complete 6 in 1 System with integrated silencer is available.
7.11
FUEL SYSTEM
The fuel system consists of two separate, independent tanks:
- Acro & center tank in the fuselage
- Wing tank (LH and RH)
Wing tank:
The root section of each wing - in front of main spars forms an integral fuel tank providing
two interconnected tanks with 120 liters (31,7 US GAL.) total capacity. Each side of the wing
has a 2" diameter filler cap for gravity refueling. The wing tank can be completely emptied in
flight.
Acro & center tank:
An Acro tank 9 liters (2,3 US Gal.) is mounted in the fuselage just behind the firewall and
the Center tank 42 liters (11,1US Gal.) in front of the main spar of the wing. The Acro tank
is connected with the center tank in a gravity feed system. The center tank has a 2"
diameter filler cap for gravity refueling. Unusable fuel is approximately 5.5 liters (1.45 US
Gal.)
Adequate venting is provided in each tank to a main ventilation-tube, ending outside the
fuselage at the right side.
In addition to the engine driven fuelpump an electrically driven auxiliary fuel pump (boost
pump) with by-pass and having sufficient capacity to feed the engine at take-off power is
fitted as a safety device against failure of the engine-driven pump. The boost pump switch
is located on the instrument panel.
Page Date: 15. December 2005
Summary of Contents for 300L
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