Sailplane Section 20
Aileron-to-Rudder Mix
Aileron-to-rudder mix causes the rudder to move in
unison with ailerons. It is utilized to reduce adverse yaw
and to improve the turning/ handling characteristics.
Aileron-to-rudder mix values can be independently
adjusted right and left for each of the 5 flight modes.
To access Aileron-to-Rudder mix, in FUNC.LIST rotate
the Selector until AIL
RUD M is highlighted. Press the
Selector to access the aileron-to-rudder mix menu.
Rotate the Selector to highlight the desired value
corresponding to the flight mode and desired direction
and then press the Selector to access that value. With
the flight mode switch in the corresponding mode, give
an aileron command and rotate the Selector to achieve
the desired rudder value. Pressing the Selector will
store the value. Press the LIST button to return to the
Function Mode screen.
Butterfly Mix (Landing Flaps)
The Butterfly Mix is the landing program that mixes the
flaps, flaperons (ailerons as flaps) and elevator to the
spoiler (throttle) stick. Two values are available, Pos0
and Pos1, and each can be assigned to several
different switches or flight modes. An offset is provided
to allow the user’s preference for the neutral position
(normally stick up).
Note: The default setting for offset is at +170%.
With this setting, the flap’s neutral position (trailing edge
level) occurs when the spoiler stick is in the full up
position. If you choose to locate the neutral position in
the down position, the value would be –170%. Rotate
the Selector to highlight SW select and press the
Selector to access the available switches. The default
setting is the BTF or butterfly switch. To access the
various values, rotate the Selector to highlight them
then depress the Selector to access the value. Move
the spoiler stick to the full down position and adjust the
value by rotating the Selector until the desired position
is achieved. Press the Selector to store the value. You
may wish to adjust the SPOI
ELEV, however, there is
a curve mix in P-mix 1 that will allow several points on a
curve to be adjusted for flap-to-elevator mixing that we
will be covering in programmable mix 1. Press the LIST
button to return to the Function Mode screen.
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