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Futaba 6XHS User Manual

Page 55

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Helicopter Flight Trimming Chart

This procedure assumes helicopter is trimmed for hovering. Trimming must be done in

near-calm conditions. Repeat tests several times before making adjustments. If any changes are
made, go back over the previous steps and verify, or further adjust as necessary.

To test …

Test Procedure

Observations

Adjustments

1. Revo
mixing — Up
settings (Part 1)

Fly the model
straight and level
into the wind at 100
ft altitude, lower
pitch to 0°

Observe rotation as copter

descends


A. No rotation
B. Model rotates

counterclockwise

C. Model rotates clockwise




A. None
B. Add right rudder

trim

C. Add left rudder

trim

2. Revo
mixing — Up
settings (Part 2)

Bring the copter into
hover, add full pitch
and ascend 75 ft

Observe rotation as copter

ascends


A. No rotation
B. Model rotates

counterclockwise

C. Model rotates clockwise




A. None
B. Increase UP revo

mix

C. Decrease UP revo

mix

3. Revo Down
mixing settings

Begin Down Revo
mixing with same
number as UP mix.
From inverted flight
(top of loop, or mid-
point of roll, or
inverted part of split-
S), add full negative
pitch

Observe rotation as copter

ascends


A. No rotation
B. Model rotates clockwise
C. Model rotates

counterclockwise



A. No adjustment
B. Increase Down

revo mix

C. Decrease Down

revo mix

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