Bedienungsanleitung Robbe Futaba FF-10 (Seite 63 von 119) (Englisch)

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AIRBRAKE

BUTTERFLY

(crow) mixing (

ACRO

GLID

FLAPERON

and

AILEVATOR

AIRBRAKE

is one function that is really made up of a series of pre-programmed mixes all

done for you within the radio.

AIRBRAKE

(often called "crow" or

BUTTERFLY

- see

GLID

, p. 80 for details) simultaneously

moves the ﬂ ap(s) (if installed), twin ailerons (if installed) and elevator(s), and is usually used to make steep descents or to

limit increases in airspeed in dives.

This function is often used even on models without ﬂ aps as an easy way to use the ﬂ aperons and

FLAP-ELEVATOR

mixing

together.

Adjustability:

• Activation: Proportional by moving the THROTTLE STICK, or set positions by ﬂ ipping the assigned switch.

• Switch: Mix SWITCH is selectable.

*Also LOGIC SW (Lsw1 to 3) may be assigned. Set up

LOGIC SW

: See p. 38.

•

Linear

(Inversely proportional to THROTTLE STICK): provides a proportional increase in amount of

AIRBRAKE

action as THROTTLE STICK is lowered and assigned switch is on. Provides gradually more

AIRBRAKE

as you slow

the engine. Includes selectable stick position where

AIRBRAKE

begins, gradually increasing to the same setting as the

THROTTLE STICK is lowered. If you would like to have the airbrake be directly proportional to throttle stick, you will

need to reverse the

THR-REV

function. Note that this changes the throttle stick direction for all models. See page 38 for

instructions.

•

Offset

: Provides

AIRBRAKE

response immediately upon switch movement, going to a pre-set travel on each active channel

without any means of in-ﬂ ight adjustment.

• During Airbrake operation, the elevator travel is displayed on the elevator trim display in the Startup screen.

• Delayed reaction: You can suppress sudden changes in your model's attitude when

AIRBRAKE

BUTTERFLY

is activated

by setting the delay (

delay-ELEV

) item, to slow down the elevator response, allowing the ﬂ aps/ailerons/elevator to all

reach their desired end point together. A setting of

100%

slows the servo to take approximately one second to travel the

prescribed distance. (

GLID

B.FLY-ELEV

function)

• Adjustable in ﬂ ight (

ACRO

): Using the aileron (when

AILE-DIFF

FLAPERON

is activated) and elevator trim lever in ﬂ ight

can be set to adjust the aileron and elevator settings in your airbrake rather than adjusting the model's actual aileron and

elevator trim. This allows easy adjustment for any ballooning while in ﬂ ight. When the airbrake switch is moved to off

the trims are again adjusting the normal elevator trim.

• Channels controlled: Elevator(s), twin ailerons and ﬂ ap(s) may be set independently in

AIRBRAKE

, including set to 0 to

have no effect.

• Twin aileron servos: If

FLAPERON

ELEVON

and

AIL-DIFF

functions are inhibited, then

AIL1

and

AIL2

settings will have no

effect.

• If

FLAPERON

is active, the travel of the ailerons can be independently adjusted for the servos plugged into CH1 and

CH6. The ﬂ ap choice has no effect on the ﬂ aperons.

• If

AIL-DIFF

is active, then CH1 and CH7 may be independently adjusted.

• Normally both ailerons are raised equally in

AIRBRAKE

, and the elevator motion is set to maintain trim when

the ailerons rise. Dif

ferent amounts may be set for each aileron to correct for torque reactions and other unique

characteristics of the model.

Be sure you understand what dropping ailerons will do when in

AIRBRAKE

BUTTERFLY

. Along with creating an

enormous amount of drag (desireble for spot landings), this also creates "wash-in", a higher angle of attack where

the ailerons are, and cncourages tip stalling. If you are using this for aerobatic performance and not "sudden stops",

consider raising the ailerons and dropping the ﬂ aps instead as shown in the diagram avobe.

(

GLID

)(

ACRO

)

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