Gen II
User Manual
10-12 – Fan/Turbine Balance
Chapter 10
Revision 2.10, Apr 2020
10.1.4.8.
Use the [
] key to move to the “
in/mm
” toggle field. This field is used to define
the Radius measurement and will only appear if an optional balance plane is
identified in paragraph 10.1.1.5 above. Use the [
] key to select “in” (inches) or
“mm” (millimeters).
10.1.4.9.
Use the [
] key to move to the “
Spacing:
” field. Use the [
] key to select
“Even” or “Uneven”. Your selection is based on the equal or unequal spacing
between all positions. An Even setting is used when each individual position is
spaced the same relative to all adjacent positions. The Even selections
automatically assign an angle to each position number based the other information
you provide in this screen. Any unequal spacing of even a single position dictates
that you use the Uneven setting. If using the Uneven setting, an additional screen
displaying a table will be displayed when you leave this screen. You must define
each position angle and its sequential number on the next screen as shown in
paragraph 10.1.4.16.
10.1.4.10.
Use the [
] key to move to the “
Position Num Dir:
” (position numbering
direction) field. Use the [
] key to select either CW for clockwise or CCW for
counterclockwise. The direction is based on the order of ascending value or
increasing numbers.
10.1.4.11.
Pressing the [
] key will move the cursor to the “
from
” field to the right of the
“
Position Num Dir:
” field. Use the [
] key to select the perspective used to
view the direction of the position numbering. The two available perspectives are
<FLA> (Forward Looking Aft) and <ALF> (Aft Looking Forward). The <FLA>
perspective is determined by standing in front of the engine and noting the
direction the position numbers increase as viewed looking
into the
intake. The
<ALF> perspective is determined by noting the direction the position numbers
increase as viewed from behind the fan/turbine looking forward
out of the
intake.
10.1.4.12.
Use the [
] key to move to the “
MaxWt/Position
” (maximum weight per
position) field. Enter a numeric value to define the maximum total number of
grams or ounces (as defined in paragraph 10.1.1.9 above) allowed for installation
at any one individual position. Typically, this value will be equal to the largest
weight value in any defined class weight set in this setup. A warning screen will
appear if this is not true in your setup. You can choose to accept the larger value
or keep the lower value. Keep in mind, if you keep the lower value, some weights
in the alternate weight sets will not be used when the analyzer generates solutions
using those weight sets.
