Gen II
User Manual
7-3 – Main Rotor Track & Balance
Chapter 7
Revision 3.00, Apr 2020
7.1.1.7.
Press the [
] key to move to the “Number of Weight Positions” field. Using the [
]
key, select the total number of lateral balance weight positions as determined from the
lateral balance chart. The maximum number of positions equals 6.
7.1.1.8.
Move to the “Blades” field pressing the [
] key. Using the [
] key, select the
number of blades of the main rotor system you are balancing. The maximum number
of blades equals 6.
7.1.1.9.
Use the [
] key to move to the “Relative to” field. This selection will determine the
reference blade for tracking displays. Selecting “AVG” will present rotor blade
positions relative to the average of all blades. Selecting a specific blade number will
present all other blade positions relative to the blade number selected. (For more
information on tracking, refer to Chapter 20 of the User Manual.)
7.1.1.10.
Move to the “RPM” field using [
] key. Using the keypad, enter the approximate
maximum expected RPM of the rotor system.
7.1.1.11.
Use the [
] key to move to the “RPM Check” field. Use the [
] key to select “YES”
or “NO”. Selecting “YES” will only allow data to be collected once the RPM chosen
in the setup is attained. Selecting “NO” will allow data collection at less than the
RPM chosen in the setup. Example: This feature would be set to “NO” when an
aircraft requires data collection at both 70% NR and 102% NR.
7.1.1.12.
Press the [
] key and move to the “Trk Units”. Use the [
] key to select the desired
unit of measure to be used by the analyzer when presenting tracking data. Selectable
options are either inches or millimeters. (For more information on tracking, refer to
Chapter 20 of the User Manual.)
7.1.1.13.
Press the [
] key and move to the “Tab Adj Decimal” field. Use the [
] key to select
the desired number of decimals to be used by the analyzer when presenting Tab
adjustments. Example: If tab solutions in Thousandths is required change this setting
to “3”.
7.1.1.14.
Press the [
] key and move to the “Rotors” field. This field allows the user to choose
between a single or coaxial rotor system. Use the [
] key to select either “1” or
“U+L”.
7.1.1.15.
Using the [
] key, move to the first field in the grouping of “Conditions”. The fields
allow you to define up to six different conditions under which to measure and store
data. Each condition name may be a maximum of six characters long and should
represent a flight regime at which you wish to record data. Directly to the right of
each condition name box is a toggle selection for the type of measurement desired for
that specific condition. In each of the measurement type fields, use the [
] key to
select from the following: