ACES SYSTEMS Cobra II User Manual

Gen II User Manual
8-2 – Tail Rotor Balance Chapter 8 Revision 3.00, April 2020
 In the “Name” field, enter a name for the setup using the keypad.
 Press [] to move to the “Sensor Channel” field. Use the [] key to select the
vibration sensor channel for this setup.
 Press [] to move to the “Sensor” field and select a sensor type to be used with this
setup by pressing the [] key.
 Move to the “Tach Channel” field by pressing the [] key. Select the tachometer
channel to measure using the [] key.
 Press the [] key to move to the “Tach Type” field. Select the appropriate type of
tachometer using the [] key.
 Press the [] key to move to the “Tach Position” field. Using the [] key, select the
tachometer position in hours – for the majority of aircraft enter 12 o’clock regardless
of the actual clock position of the PhotoTach once installed. For further guidance
contact Aces Support at support@acesystems.com.
 Press [] to move to the “Balancing RPM” field. Using the keypad, enter the tail rotor
RPM balance speed for the setup. This speed is only a reference used at the start of
the job. If during the job, a different tail rotor speed is used, subsequent runs will also
call for the adjusted RPM.
 Move to the “Direction of Rotation” field by pressing the [] key. Use the [] key to
select the direction of rotation for the tail rotor. For the majority of aircraft, you will

ACES SYSTEMS Cobra II Specifications

General

Brand	ACES SYSTEMS
Model	Cobra II
Category	Measuring Instruments
Language	English