Calidus
NORMAL PROCEDURES
AutoGyro_POH_Calidus Revision 4.0 – Issue Date 17.JAN.2019 4-14
CAUTION
Especially in strong winds operate canopy with nose pointed into the wind to
eliminate the risk that the canopy is blown open or shut.
NOTE
Avoid long term parking of the aircraft with empty tanks. This will increase the
risk of water accumulation in the tanks and will lead to shrinking of the rubber
tank seals.
4.19 Special Procedure: Short Field Take-off
A short field take off is conducted in exactly the same manner as a normal take-off, but
performed with maximum precision. Therefore, a short field take-off is not so much a
procedural thing, but needs practice, experience and mentoring. Apart from environmental
aspects such as wind and density altitude, the condition of the gyroplane and its gross
weight, the key factors for a short take-off performance are:
Maximum allowed pre-rotation RPM and no time lost until stick is fully aft (if headwind
component allows) and brake is released
Maximum take-off power is set immediately while stick remains fully aft until nose
wheel rises
Nose wheel held tight above surface and minimum side drift until lift-off
No over controlling that would result in the nose swinging up and down
V
Y
climb with no side slip
If Rotorhead III is embodied the procedure is amended to take advantage of higher pre-
rotation speed whilst monitoring the “Clutch” warning light.
A short field take-off with high pre-rotation speed puts high loads on pre-rotator and rotor
and requires a modified procedure. As a consequence, short field take-offs with high pre-
rotation shall only be performed after adequate training and only when necessary.
Perform normal take-off procedure until clutch is fully engaged
Carefully increase engine power to maximum, which will give up to 320 R-RPM
depending the aircraft loading (at light loading the aircraft may slide forwards with the
wheel brakes locked)
In case of a slipping clutch (CLUTCH light, where fitted), reduce power to match
engine to rotor speed
With the stick moved slightly aft (which will disengage the pre-rotator), release the
wheel brake without reducing engine power
As the aircraft accelerates, move the stick further aft to allow the rotor RPM to
increase. Do not let the rpm decrease!
Allow gyroplane to lift off and gain speed
V
Y
climb with no side slip
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