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At the flying site – Dynaflite DYFA3040 User Manual

Page 38

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arm onto the servos and the servo cords are
securely connected to the receiver. If you are
not thoroughly familiar with R/C models, ask an
experienced modeler to inspect your radio
installation and make sure the control surfaces
respond correctly.

The engine must be "broken-in" according to
the engine manufacturer's recommendations
for break-in. Refer to the Engine Safety

Precautions on the next page before you start

your engine. After you run the engine on the

model make sure all screws remain tight, the
hinges are secure and the prop is on tight.

AT THE FLYING SITE

Range Check Your Radio
Check the operational range of the radio before

the first flight of each day. Before you turn your

radio on, the first thing you always must do is
make sure no one else is on your frequency
(channel). Most model flying fields utilize

frequency control so familiarize yourself with
their system. Collapse your transmitter antenna

and turn on the transmitter first, then the

receiver (preferably the receiver should never
be on by itself). 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 tell you what the control surfaces

are doing while you operate them from the

transmitter.

Repeat this test with an assistant holding the
model and the engine running at various

speeds. If the control surfaces do not always

respond correctly, do not fly! Find and correct

the problem first. Look for loose servo
connections or corrosion, loose fasteners that

may cause vibration, a defective on/off switch,
low battery voltage or a defective cell, a damaged
receiver antenna or a receiver crystal that may
have been damaged from a previous crash.

Note: Failure to follow these safety precautions
may result in severe injury to yourself and others.

Store model fuel in a safe place away from high

heat, sparks or flames. Do not smoke near the

engine or fuel as it is very flammable. Engine
exhaust gives off a great deal of deadly carbon

monoxide so do not run the engine in a closed
room or garage.

Get help from an experienced modeler when

you learn to operate engines.

Use safety glasses when you operate model
engines.

Do not run the engine near loose gravel or

sand; the propeller may throw loose material in
your face or eyes.

When you start and run the engine keep your
face and body as well as all spectators away
from the plane of rotation of the propeller.

Always be aware and very conscious of hand

movements and be deliberate in your reach for

the needle valve, glow plug clip, or other items

near a spinning propeller.

Keep loose clothing, shirt sleeves, ties, scarfs,
long hair or loose objects away from the prop.
Be conscious of pencils, screwdrivers or other

objects that may fall out of your shirt or jacket
pockets.

Use a "chicken stick" or electric starter and

follow the instructions to start your engine.

Make certain the glow plug clip or connector is

secure so that it will not pop off or get into the

running propeller.

Ask an assistant to hold the model from the rear
while you start the engine and operate the
controls.

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