E-flite 4-Site F3P 250 ARF User Manual download pdf (Page 24)

24 E-flite 4-Site Assembly Manual

Preflight

Check Your Radio

Before going to the field, be sure that your batteries

are fully charged per the instructions included with

your radio. Charge both the transmitter and receiver

pack for your airplane. Use the recommended charger

supplied with your particular radio system, following

the instructions provided with the radio. In most cases,

the radio should be charged the night before going

out flying.

Before each flying session, be sure to range check your

radio. See your radio manual for the recommended

range and instructions for your radio system. Each

radio manufacturer specifies different procedures for

their radio systems. Next, start the motor. With the

model securely anchored, check the range again.

The range test should not be significantly affected. If

it is, don’t attempt to fly! Have your radio equipment

checked out by the manufacturer.

Note: Keep loose items that can get entangled

in the propeller away from the prop. These

include loose clothing, or other objects such as

pencils and screwdrivers. Especially keep your

hands away from the propeller.

Double-check that all controls (aileron, elevator, rudder

and throttle) move in the correct direction.

Check the radio installation and make sure all the

control surfaces are moving correctly (i.e. the correct

direction and with the recommended throws). Test run

the motor and make sure it transitions smoothly from

off to full throttle and back. Also ensure the engine is

installed according to the manufacturer’s instructions,

and it will operate consistently.

Check all the control horns, servo horns, and clevises

to make sure they are secure and in good condition.

Repair or replace any items that would be considered

questionable. Failure of any of these components in

flight would mean the loss of your aircraft.

Range Test Your Radio

 1. Before each flying session, be sure to range

check your radio. This is accomplished by turning

on your transmitter with the antenna collapsed.

Turn on the receiver in your airplane. With

your airplane on the ground and the engine

running, you should be able to walk 30 paces

(approximately 100 feet) away from your airplane

and still have complete control of all functions.

If not, don’t attempt to fly! Have your radio

equipment checked out by the manufacturer.

 2. Double-check that all controls (aileron, elevator,

rudder and throttle) move in the correct direction.

 3. Be sure that your transmitter batteries are

fully charged, per the instructions included with

your radio.

Flying Your 4-Site

Flying the 4-Site is about as fun as it can get. Very light

wing loading and extreme control throws make for some

precise F3P flying. Verify that your CG is at the correct

location as per the manual and that you have your rates

set up to your liking.

Verify all control throws are in the correct direction and

the motor spins in the correct direction as well. Point the

model into the wind and add some throttle trim until the

motor begins to turn. This will be your flight idle. We

recommend hand launching the model if you are flying

from of a rough surface.

Apply power slowly. You will find the model will

become airborne very quickly and at a low speed. This

model excels at flying slow and easy. Trim the model

for level flight at half throttle. Only use full throttle for

maneuvering.

You will find you can adjust the CG to your liking by

moving the battery pack fore or aft on the fuselage.

To land the 4-Site just reduce the throttle to idle and feed

in up elevator until the model settles into a slightly nose-

high attitude.

Gently fly the model down to the landing spot with a

final flair at touchdown.

We hope you enjoy the 4-Site as much as we do.

Happy landings.

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E-flite 4-Site F3P 250 ARF User Manual Page 24

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