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The takeoff and climb markings are the recommended full
power fuel flows (2700 RPM and full throttle) for altitudes
from sea level to 6000 feet.
The sea level mark is a white
arc while the marks for 2000, 4000 and 6000 feet are blue.
Recommended fuel flows for altitudes above 6000 feet are
presented in the Pilot's Checklist.
Cruise climbs at 24.5 In. Hg and 2500 RPM should be
conducted at a fuel flow of 107 pounds per hour per engine
(75% power blue triangle) up to 5200 feet.
Recommended fuel
flows for altitudes above 5200 feet are presented in the
Pilot's Checklist.
In the cruise power range, standard day recommended lean
fuel flows are presented as green segments.
Refer to your
power computer for more accurate cruise fuel flow settings
for non-standard conditions.
FUEL QUANTITY INDICATORS
The fuel quantity indicators are calibrated in pounds
and will accurately indicate the weight of fuel contained in
the tanks.
Since fuel density varies with temperature, a
full tank will weigh more on a cold day than on a warm day.
This will be reflected by the weight shown on the gage.
A
gallons scale is provided in blue on the indicator for con-
venience in allowing the pilot to determine the approximate
volume of fuel on board.
FUEL STRAINER AND TANK SU MP DRAINS
See Preflight Inspection, Figure 1-1.
ELECTRICAL SYSTEM
Electrical energy is supplied by a 28-volt, negative-
ground, direct current system powered by a standard 50 ampere
or optional 100 ampere engine-driven alternator on each
engine.
The electrical system has independent circuits for
each side with each alternator having its own regulator and
overvoltage protection relay.
The voltage regulators are
connected to provide proper load sharing.
The 24 volt bat-
tery is located in the left wing just outboard of the engine
2-22
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