AutoGyro Calidus - Power Plant Limitations and Markings

Pilot Operating Handbook
Calidus
SECTION 2
LIMITATIONS
AutoGyro_POH_Calidus Revision 4.0 – Issue Date 17.JAN.2019 2-5
2.6 Power Plant Limitations and Instrument Markings
Engine Speed Marking
Maximum engine speed
Red radial
5800 RPM
5 minute take-off power regime Yellow arc 5500 – 5800 RPM
Maximum continuous power
Green arc
1400 – 5500 RPM
Recommended pre-rotation clutch speed
Green radial
2000 RPM*
Yellow arc 0 – 1400 RPM
* Use 1600 RPM recommended pre-rotation clutch speed on aircraft with red OVERDRIVE
push button
Engine Oil Temperature Marking
Maximum oil temperature
Red radial
130 °C
Yellow arc 110 – 130 °C
Normal range
Green arc 90 – 110 / 130 °C**
Yellow arc 50 – 90 °C
Minimum oil temperature
Red radial
50 °C
NOTE
When evaluating oil temperature, take note of the position of the temperature
sensor. In early aircraft it is situated in the oil pump, in the return line from the
oil cooler – and therefore tends to indicate a low temperature reading. In later
aircraft the oil temperature is measured in the oil tank, and is the temperature
of the oil as it exits the engine - and indicates hotter. In this instance the oil is
then cooled in the oil cooler, and returned to the engine.
Cylinder Head Temperature*** Marking
Maximum cylinder head temperature
Red radial
135 °C
Green arc 50 – 135 °C
Alternatively (depending on engine configuration)