Futaba 8SGAP User Manual download pdf (Page 25)

•SUGGESTIONS ON ATV, D/R, AND VTR

POINTS TO REMEMBER (ATV, D/R, VTR)

•Servo maximum deflection is always determined

by ATV. If no ATV is set, maximum travel is

governed by the servo itself and is approximately

45 degrees in each direction from neutral.

•When Dual Rate is ON, servo travel in each

direction is reduced by the same percentage

(adjustable using D/R trimmers). For example,

in Fig. 43 one direction has been limited using

ATV. Both sides are reduced 20% when D/R is

ON. In other words, the ratio of UP to Down

will be maintained when D/R is ON or OFF.

• VTR operates only when D/R is set to OFF po-

sition (LINEAR/VTR switch must also be set to

VTR position).

•Servo tracking is always LINEAR when Dual

Rate is ON (regardless of LINEAR/VTR switch).

Fig.

43

SUGGESTIONS

• VTR is useful when different throw rates are

desired for different portions of the same ma-

neuver or when there may be insufficient time

between maneuvers for changing rate switches

manually such as in the FAI F3A or "Turn-

around" Pattern event.

•When preparing to test fly a new model, if you

are unsure as to the amount of Aileron deflec-

tion needed, set up as follows.

LINEAR/VTR switch 3. on LINEAR

Aileron D/R I at best estimate of desired

throw for normal flying or deflection speci-

fied on aircraft plans.

Aileron D/R 2 less movement than D/R (1)

D/R OFF set to provide somewhat more

throw than specified.

Set Ail. D/R Switch 14 to 1, position for

takeoff.

If aileron response is not comfortable, it can

easily be increased or decreased while air-

borne.

Aileron LINEAR/VTR Switch [3]

set to

LINEAR.

Adjust D/R I to give 3 rolls in approxi-

mately 5 seconds.

Use ATV to adjust for a fast roll rate when

D/R Switch 14 is OFF.

Adjust D/R 2 for slow roll (1 roll in 5

seconds).

OR

Same as above except Aileron LINEAR/

VTR Switch [3] set to VTR position.

• Try this set-up for AMA Pattern:

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