SOLOY TURBINE PAC
SECTION 1
POHS CESSNA T206H/206H
GENERAL
1-8
F.A.A. Approved
May 23, 2003
ENGINE POWER TERMINOLOGY (Continued)
POWER TURBINE
SPEED (N
2
)
Determined by using the propeller RPM at a ratio of
18.1 RPM to 1% N
2
speed.
PROPELLER RPM
Indicates the speed of the propeller in revolutions per
minutes. Can also be expressed as a percent of N
P
(1810 RPM)
RPM
Revolutions per minute.
SHP
Shaft horsepower is the power delivered at the propeller
shaft.
STAGNATED
START
Slow acceleration during an engine start, possibly
deteriorating to total stoppage of acceleration even
though combustion is still occurring in the combustion
section.
TORQUE
The torsional force exerted at the output shaft, usually
measured in foot-pounds, PSI or percent. Torque is
proportional to the power output of the engine at any
constant RPM. 1 PSI = 4.12 SHP
TOT
Turbine outlet temperature.
ENGINE CONTROLS AND INSTRUMENTS
ENGINE
OVERSPEED
GOVERNOR
An engine mounted component which operates in
conjunction with the gas producer fuel control to serve
as overspeed and loss of load protection for the engine.
FUEL CUTOFF
CONTROL
A cockpit control that is connected to the fuel control
unit. The cockpit control has two positions only, RUN
(IN) and CUTOFF (OUT).
GAS PRODUCER
FUEL CONTROL
An engine mounted component that regulates fuel flow
to the engine. It responds to compressor discharge
pressure, gas producer turbine speed (N
1
), and the
cockpit power control.
PROPELLER
GOVERNOR
Adjusts the propeller blade pitch angle to maintain the
RPM selected by the cockpit propeller control regardless
of the POWER CONTROL setting.
POWER CONTROL
A cockpit control to regulate power output of the engine
through GAS PRODUCER FUEL CONTROL
UNCONTROLLED
COPY