GREAT PLANES Douglas DC-3 Buku Petunjuk - Halaman 18

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Ground Check

Before you fly you should perform one last overall inspection

to make sure the model is truly ready to fly and that you

haven't overlooked anything. If you are not thoroughly familiar

with the operation of R/C models, ask an experienced

modeler to perform the inspection. Check to see that you

have the radio installed correctly and that all the controls are

connected properly. The motors must also be checked by

confirming that the props are rotating in the correct direction

and the motors sound like they are reaching full power. Make

certain all control surfaces (elevators, rudder, ailerons) are

secure, the pushrods are connected, the controls respond in

the correct direction, radio components are securely

mounted and the C.G. is correct.

Range Check

Ground check the operational range of your radio before the

first flight of the day. With the transmitter antenna collapsed

and the receiver and transmitter on, you should be able to

walk at least 100 feet away from the model and still have

control. Have an assistant stand by your model and, while

you work the controls, tell you what the control surfaces are

doing. Repeat this test with the motors running at various

speeds with an assistant holding the model, using hand

signals to show you what is happening. If the control

surfaces do not respond correctly, do not fly! Find and

correct the problem first. Look for loose servo connections or

broken wires, corroded wires on old servo connectors, poor

solder joints in your battery pack or a defective cell, or a

damaged receiver crystal from a previous crash.

MOTOR SAFETY PRECAUTIONS

Failure to follow these safety precautions may result

in severe injury to yourself and others.

• Get help from an experienced pilot when learning to

operate motors.

• Use safety glasses when starting or running motors.

• Do not run the motors in an area of loose gravel or sand;

the propellers may throw such material in your face or eyes.

• Keep your face and body as well as all spectators away

from the plane of rotation of the propellers as you start and

run the motors.

• Keep these items away from the props: loose clothing,

shirt sleeves, ties, scarfs, long hair or loose objects such as

pencils or screwdrivers that may fall out of shirt or jacket

pockets into the props.

• The motors get hot! Do not touch them during or right

after operation.

• The electric motors and battery used in your DC-3 EP

ARF are very powerful and the spinning propellers have a lot

of momentum; therefore, if you touch a propeller while it is

spinning it may inflict severe injury. Respect the motors and

propellers for the damage they are capable of and take

whatever precautions are necessary to avoid injury. Always

disconnect and remove the battery until you are ready to fly

again and always make sure the switches are turned off

before connecting the battery.

AMA SAFETY CODE (

Read and abide by the following Academy of Model

Aeronautics Official Safety Code:

1. I will not fly my model aircraft in sanctioned events, air

shows, or model flying demonstrations until it has been

proven to be airworthy by having been previously successfully

flight tested.

2. I will not fly my model aircraft higher than approximately

400 feet within 3 miles of an airport without notifying the

airport operator. I will give right of way to and avoid flying in

the proximity of full scale aircraft. Where necessary an

observer shall be used to supervise flying to avoid having

models fly in the proximity of full scale aircraft.

3. Where established, I will abide by the safety rules for the

flying site I use and I will not willfully and deliberately fly my

models in a careless, reckless and/or dangerous manner.

7. I will not fly my model unless it is identified with my name

and address or AMA number, on or in the model.

9. I will not operate models with pyrotechnics (any device

that explodes, burns, or propels a projectile of any kind).

Radio Control

1. I will have completed a successful radio equipment ground

check before the first flight of a new or repaired model.

2. I will not fly my model aircraft in the presence of

spectators until I become a qualified flier, unless assisted by

an experienced helper.

3. I will perform my initial turn after takeoff away from the pit

or spectator areas and I will not thereafter fly over pit or

spectator areas, unless beyond my control.

4. I will operate my model using only radio control frequencies

currently allowed by the Federal Communications Commission.

EXCERPT

General

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