Programmable Curve Mix 1 (Programmed for Spoiler-to-Elevator Mix)
S-28
Programmable mix 1 is a preprogrammed curve mix
for spoiler-to-elevator. It works in conjunction with the
butterfly mix pg. S27. On most sailplanes, deploying flaps
causes the aircraft to pitch up. This pitching is non-linear
and typically the airplane pitches up dramatically the first
25% of flap travel but becomes less dramatic during the
25% through 50% range and very little additional up
pitching occurs from 75 to 100% flaps. Programmable
mix 1 is a preprogrammed curve mix that mixes the
spoiler stick (landing flaps) to the elevator.
To access programmable mix 1 in FUNC.LIST rotate the
Selector until
PROG.Mix1 is highlighted. Press the
Selector to access the Programmable mix 1 spoiler-
to-elevator curve mix. Rotate the Selector to highlight
the desired point then press the Selector to access the
point’s value. Rotate the Selector to change the value. All
points on the curve can be adjusted using this method.
Switches and flight modes are available to turn this curve
on and off but it’s a good idea to have this curve active
anytime the butterfly (landing flaps) is active. All other
functions in this mix are identical to curve mix 2, and
this mix can be changed to any other master or slave if
you wish. Press the LIST button to return to the Function
Mode screen.
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