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Marking KIAS Explanation
White Arc 34-78 Operating range with extended flaps.
Green Arc 42-118 Normal operating range.
Yellow Arc 118-164 Maneuvers must be conducted with caution and only in smooth air.
Red Line 164 Maximum permissible speed for all operating modes.
Doc # DA202-C1 April 16, 2009 Page 2 - 2
Revision 24 DOT Approved
2.4. POWER PLANT LIMITATIONS
2.4.1. Engine
1.
Engine Manufacturer : Teledyne Continental Motors
2.
Engine Type Designation : IO-240-B
3.
Engine Operating Limitations
Max. T/O Power (5 min.) : 125 BHP / 93.2 kW Max. Permissible T/O RPM : 2800 RPM Max. Continuous Power : 125 BHP / 93.2 kW Max. Permissible Continuous RPM : 2800 RPM
4.
Oil Pressure
Minimum : 10 psi (1.5 bar)
Maximum : 100 psi (6.9 bar) Ambient temperature below 32oF (0oC), Full power operation oil pressure 70 psi max
Normal Operating : 30 psi (2.1 bar) to 60 psi (4.1 bar)
5.
Intentionally left blank
6.
Oil Temperature
Minimum : 75°F (24°C) Full power operation, oil pressure normal 100oF (38oC) Maximum : 240oF (115°C)
7.
Cylinder Head Temperature Maximum : 460°F (238°C) Minimum : 240°F (115°C) takeoff and descent
8.
Fuel Specifications Approved Fuel Grades : AVGAS 100LL or 100
9.
Oil Grades : Reference TCM IO-240-B operator and installation manual (form X30620) or TCM specification MHS-24. Refer to Chapter 1, Section 1.9.1. Lubricant, Table 1.
2.4.2. Additional for aircraft equipped with altitude compensating fuel system.
1. Mandatory Preflight Idle Mixture Rise : 50 RPM Minimum: See Normal Procedures-Before Takeoff (Section 4.4.6.)
NOTE
Less than 50 RPM Mixture Rise indicates an excessively lean idle mixture that can result in engine stoppage at idle.
2. Minimum Ground Idle Speed : 975 RPM Minimum
NOTE
Recommended minimum flight idle speed 1400 RPM, during idle power flight conditions and maneuvers.
2.4.3. Propeller
SENSENICH
1.
Propeller Manufacturer : Sensenich Propeller, Plant City/Florida
2.
Propeller Type : Fixed Pitch W69EK7-63, W69EK7-63G or W69EK-63
3.
Propeller Diameter : 69.0 inch (1752mm)
4.
Propeller Pitch (at 3/4 radius) : 62.8 inch (1595mm)
2.5. POWERPLANT INSTRUMENT MARKINGS
Powerplant instrument markings and their color code significance are shown below:
Instrument Red Line/ Lower Limit Green Arc/ Normal Operating Range Yellow Arc/ Caution Range Red Line/ Upper Limit
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