BEECHCRAFT
Duchess
76
DESCRIPTIVE
DATA
ENGINES
section
I
General
Two Avco Lycoming engines are installed; one
0-360-
A1
G6D (clockwise rotating) located on the left wing, and one
LO-360-A1G6D (counterclockwise rotating) located on the
right wing. The engines are four-cylinder, direct-drive. hori-
zontally opposed, and each rated at 180 horsepower
at
2700
rpm.
Take-off and Maximum
Continuous Power
. . . . . Full throttle, 2700 rpm
Recommended Maximum
Cruise
Power.
. . . . . . . . . . 24
in.
Hg,
2700 rpm
PROPELLERS
The airplane
is
equipped with two Hartzell, constant-speed,
full-feathering, two-blade propellers: the left engine (clock-
wise rotating) has an HC-M2YR-2CEUF hub with FC 7666A
blades and a C2285-3P spinner; the right engine (coun-
terclockwise rotating) incorporates an HC-M2YR-2CLEUF
hub with FJC 7666A blades and a C2285-3LP spinner.
Pitch settings
at
the 30 inch station: Low, 12.1° :!: .1°;
High,
1r
to
20°;
Feathered,
81°
+
1°,
Diameter is
76
inches, with cut-off permitted
to
74.0 inches.
January
1978
1-9
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