D/R & EXP – DUAL RATE AND EXPONENTIAL
A20
Dual Rates and Exponential curves can be very effective
in setting up an aircraft to have a particular “feel” when
performing different types of maneuvers. Just flipping a
switch can change the aircraft’s personality, causing it
to take on traits that make certain maneuvers easier for
the pilot. At times the aircraft needs to feel very crisp,
such as when performing point-oriented aerobatics, and
then feel softer for other maneuvers such as landing and
rolling circles, and yet at other times the aircraft needs
to be very crisp but without the tendency to be over-
controlled, like in performing snap rolls. Dual Rates and
Exponential curves can be combined to produce these
traits for most any aircraft. When programming a Dual
Rate and Exponential curve, think about what kind of
maneuver is to be performed and the response that is
desired from the aircraft. For an in-depth description of
D/R and Exponential, please refer to the
Dual Rates and
Exponential Curves
article in the Glossary.
1. Highlight and select D/R & EXP in the FUNC.LIST
to obtain the D/R & EXP display. If Flight Modes
were activated earlier in the Devic.SEL function and
D/R was set to FM in the same function, there will
be 3 sets of values displayed for each channel.
Otherwise, there will only be 2 sets of Dual Rate and
Exponential settings for each control.
2. Use the Selector to change between Aileron, Elevator
and Rudder by highlighting and selecting AILE. Then
use it to select and set dual rate and exponential
values. If exponential has never been used before, try
a low positive value like +10. After a while increase it
gradually until the desired feel is obtained.
Note: Use only positive (+) percentages unless there
is a distinct need to do otherwise.
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