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Normal climbs are performed flaps UP (0%) and full power at speeds 5
to 10 knots higher than best rate-of-climb speeds. These higher
speeds give the best combination of performance, visibility and engine
cooling.
For maximum rate of climb, use the best rate-of-climb speeds shown
in the rate-of-climb chart in Section 5. If an obstruction dictates the use
of a steep climb angle, the best angle-of-climb speed should be used.
Climbs at speeds lower than the best rate-of-climb speed should be of
short duration to avoid engine-cooling problems.
1. Climb Power.............................................................................SET
2. Flaps ................................................................................ Verify UP
3. Mixture ..............................................LEAN as required for altitude
4. Engine Parameters ............................................................ CHECK
5. Fuel Pump ......................................................................... BOOST
• Note •
The fuel pump is used for vapor suppression during climb. It is
also recommended that the fuel pump be left on after leveling
off for 30 minutes following a climb and anytime fuel flow or
EGT anomalies occur.
March 2010
4-18 Information Manual
Section 4 Cirrus Design
Normal Procedures SR22
Cruise
Normal cruising is performed between 55% and 85% power. The
engine power setting and corresponding fuel consumption for various
altitudes and temperatures can be determined by using the cruise data
in Section 5.
The selection of cruise altitude is made based on the most favorable
wind conditions and the desired power settings. These significant
factors should be considered on every trip to reduce fuel consumption.
• Note •
For engine break-in, cruise at a minimum of 75% power until
the engine has been operated for at least 25 hours or until oil
consumption has stabilized. Operation at this higher power will
ensure proper seating of the rings, is applicable to new
engines, and engines in service following cylinder
replacement or top overhaul of one or more cylinders.
1. Fuel Pump................................................................................OFF
• Note •
The Fuel Pump may be used for vapor suppression during
cruise.
2. Cruise Power............................................................................SET
3. Mixture ............................................................... LEAN as required
4. Engine Parameters ........................................................MONITOR
• Note •
Fuel BOOST must be used for switching from one tank to
another. Failures to activate the Fuel Pump before transfer
could result in delayed restart if the engine should quit due to
fuel starvation.
5. Fuel Flow and Balance...................................................MONITOR
March 2010
Cirrus Design Section 4
SR22 Normal Procedures
Information Manual 4-19
Cruise Leaning
Exhaust gas temperature (EGT) may be used as an aid for mixture
leaning in cruise flight. For “Best Power” use 75% power or less. For
“Best Economy” use 65% power or less. To adjust the mixture, lean to
establish the peak EGT as a reference point and then adjust the
mixture by the desired increment based on the following table:
Under some conditions, engine roughness may occur while operating
at best economy. If this occurs, enrich mixture as required to smooth
engine operation. Any change in altitude or Power Lever position will
require a recheck of EGT indication.
Descent
1. Altimeter................................................................................... SET
2. Cabin Heat/Defrost ................................................ AS REQUIRED
3. Landing Light .............................................................................ON
4. Fuel System....................................................................... CHECK
5. Mixture ................................................................... AS REQUIRED
6. Brake Pressure .................................................................. CHECK
Before Landing
1. Seat Belt and Shoulder Harness .....................................SECURE
2. Fuel Pump ......................................................................... BOOST
3. Mixture ................................................................... AS REQUIRED
4. Flaps ...................................................................... AS REQUIRED
5. Autopilot ................................................................. AS REQUIRED
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西锐20飞机信息手册 SR22 AIRPLANE INFORMATION MANUAL 2979(35)
