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SOLOY TURBINE PAC
SECTION 7
POHS CESSNA T206H/206H
AIRPLANE & SYSTEMS
DESCRIPTION
7-12
F.A.A. Approved
May 23, 2003
NOTE
A drop in torque and a rise in TOT is normal
with the actuation of the engine ice protection
system.
CAUTION
SIGNIFICANT POWER LOSS WILL OCCUR
WHILE OPERATING IN THE ALTERNATE
AIR MODE. EXTREME CAUTION SHOULD
BE USED TO MAINTAIN A MINIMUM OF 14
PSI TORQUE IN FLIGHT ON APPROACH
TO LANDING.
EXHAUST SYSTEM
The exhaust system consists of exhaust stacks fitted to the left
and right sides of the bottom of the engine forward of the engine
reduction gearbox. The exhaust stacks are directed aft to utilize
the remaining energy of the gases in the form of thrust for
additional aircraft propulsion. The left hand exhaust stack is
constructed with an internal mounted heat exchanger that
provides cabin heater air.
PROPELLER
The airplane is equipped with an all-metal, three-bladed, constant
speed, full feathering, governor regulated propeller. A setting
introduced into the governor with the propeller control establishes the
propeller speed, and thus, the engine power turbine speed to be
maintained. The propeller utilizes oil pressure that opposes the force
of springs and counterweights to obtain correct pitch for engine load.
Oil pressure from the propeller governor drives the blades toward low
pitch (increasing RPM) while the springs and counterweights drive
blades toward high pitch(decreasing RPM). Oil pressure for propeller
operation is furnished by the propeller gearbox oil system, boosted in
pressure by the governor gear pump, and supplied to the propeller hub
through the propeller oil transfer system. To feather the propeller
blades, the propeller control on the control panel must be placed in the
feather position (OUT). Unfeathering the propeller is accomplished by
positioning the propeller control to the minimum pitch high RPM
position (IN). The unfeathering system uses governor boosted
propeller gearbox oil pressure to force the propeller out of feather.
UNCONTROLLED
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