Bedienungsanleitung Hitec OPTIC_6 (Seite 29 von 30) (Englisch)

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GLOSSARY

GLOSSARY - Page 57Helicopter Flight Trimming Chart - Page 56

Helicopter Flight Trimming Chart

RPM Stick Primary Corrective Action

High Below 1/2 Decrease hovering throttle

Low Below 1/2 Decrease hovering pitch

Perfect Below 1/2 Decrease hovering throttle, decrease hovering pitch

High 1/2 stick Increase hovering pitch, decrease hovering throttle

Low 1/2 stick Decrease hovering pitch, increase hovering throttle

Perfect 1/2 stick Don't touch a thing!

High Above 1/2 Increase hovering pitch

Low Above 1/2 Increase hovering throttle

Perfect Above 1/2 Increase hovering pitch, increase hovering throttle

Want more Keep 1/2 Decrease hovering pitch, then increase hovering throttle

Want less Keep 1/2 Increase hovering pitch, then decrease hovering throttle

Adjusting Hovering Pitch and Hovering Throttle

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.

The abbreviations used with the Optic are defined below alphabetically.

Related pages are given in parenthesis following the definition.

ACGL Acrobatic/Glider aircraft menu (15)

ADIF Aileron differential. Ailerons move more to one

side than other (31)

AILV Differential elevator servos, for 3-D aerobatics (39)

ATL Adjustable Travel Limit. Limits throttle trims to

only the throttle idle position.

(built in to your system)

A->R Aileron Rudder mixing (36)

CAMB A function which droops or raises the entire

trailing edge of a wing. (32)

COPY Data copy: command used to copy one memory

to another (11)

CROW Airbrake function (37)

CURSOR Button used to step through menus (9)

D/R Dual rate: switch-controlled function reduces

control travels. (27)

DATA Editing keys change numbers (9)

ELVN Elevon function combines ailerons & elevators for

tailless models. (34)

EPA End Point Adjust. Function that adjusts the servo t

ravel at the left and right sides. (27)

EXP Exponential function, reduces sensitivity around

neutral (28)

E->F Elevator Flap mixing (36)

FAIL Failsafe function moves servos to preset locations

if interference is received. (41)

FLPN Flaperon function gives the ailerons a flap

function. (30)

FLPT Flap travel function. (30)

Gear Landing gear control switch. (8)

GYRO Gyro setting menu (51)

HELI Helicopter settings menu. (45)

HOLD Throttle hold function holds the throttle in a near-

idle position (used for autorotation). (51)

INH Inhibit. Function will not operate

L/U Indicates Left or Up stick motion

LAND Landing function (33)

Lock Lock throttle button (9)

MAS Master channel in mixer (38)

M.SEL Model select menu (11)

NOR Normal helicopter swashplate (1 servo each for

elevator, aileron, pitch. (12)

OFF Function or Switch in OFF position.

ON Function or Switch in ON position.

PPM Pulse-Position Modulation,

also known as "FM". (14)

PCM Pulse-Code Modulation. (14)

PMX Programmable mixer. Mixing between

arbitrary channels. (38)

PTCV Pitch curve function (53)

QPCM Pulse-Code Modulation. (14)

R/D Indicates Right or Down stick motion

REV Reverse. Servo operating direction

switching function. (29)

REST Reset model memory (15)

RVMX Revolution mixing (54)

R->T Rudder Throttle mixing (50)

S/W SEL Select on-off switches for different functions (39,53)

SFT.N Negative transmit shift direction (13)

SFT.P Positive transmit shift direction (13)

SLV Slave channel in program mixer (38)

STCK Choose Mode of transmitter. (13)

STRM Subtrim function used to adjust

servo neutrals. (28)

SWAH Swash type (12,54)

T.CUT Throttle cut function used to kill engine

without moving trims (29)

THCV Throttle curve function (52)

TIME Timer/Stopwatch function (14)

VTAL V-tail function combines the

elevators and rudder. (35)

Numerical

120' Helicopter swashplate, 120

(12,54)

To test for... Test Procedure Observations Adjustments

1. RVMX 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 helicopter 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. RVMX mixing

- Up settings

(Part 2)

Bring the helicopter into hover,

add full pitch and ascend 75 ft

Observe rotation as helicopter ascends

A. No rotation

B. Model rotates counterclockwise

C. Model rotates clockwise

A. None

B. Increase UP RVMX mix

C. Decrease UP RVMX mix

3. RVMX Down

mixing settings

Begin Down RVMX 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 helicopter ascends

A. No rotation

B. Model rotates clockwise

C. Model rotates counterclockwise

A. No adjustment

B. Increase Down RVMX mix

C. Decrease Down RVMX mix

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