E-flite EFL1275 Manual

E-flite Radiostyret legetøj EFL1275

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Side 1/17

Rare Bear

Instruction Manual

Bedienungsanleitung

Manuel d’utilisation

Manuale di Istruzioni

As the user of this product, you are solely responsible for operating in a man-

ner that does not endanger yourself and others or result in damage to the

product or the property of others.

• Always keep a safe distance in all directions around your model to avoid

collisions or injury. This model is controlled by a radio signal subject to

interference from many sources outside your control. Interference can cause

momentary loss of control.

• Always operate your model in open spaces away from full-size vehicles,

trafﬁ c and people.

• Always carefully follow the directions and warnings for this and any optional

support equipment (chargers, rechargeable battery packs, etc.).

• Always keep all chemicals, small parts and anything electrical out of the

reach of children.

• Always avoid water exposure to all equipment not speciﬁ cally designed and

protected for this purpose. Moisture causes damage to electronics.

• Never place any portion of the model in your mouth as it could cause serious

injury or even death.

• Never operate your model with low transmitter batteries.

• Always keep aircraft in sight and under control.

• Always use fully charged batteries.

• Always keep transmitter powered on while aircraft is powered.

• Always remove batteries before disassembly.

• Always keep moving parts clean.

• Always keep parts dry.

• Always let parts cool after use before touching.

• Always remove batteries after use.

• Always ensure failsafe is properly set before ﬂ ying.

• Never operate aircraft with damaged wiring.

• Never touch moving parts.

NOTICE

All instructions, warranties and other collateral documents are subject to change at the sole discretion of Horizon Hobby, LLC. For up-to-date product

literature, visit www.horizonhobby.com and click on the support tab for this product.

Meaning of Special Language:

The following terms are used throughout the product literature to indicate various levels of potential harm when operating this product:

NOTICE: Procedures, which if not properly followed, create a possibility of physical property damage AND little or no possibility of injury.

CAUTION: Procedures, which if not properly followed, create the probability of physical property damage AND a possibility of serious injury.

WARNING: Procedures, which if not properly followed, create the probability of property damage, collateral damage, and serious injury OR create a high

probability of superﬁ cial injury.

WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product before operating. Failure to operate the product

correctly can result in damage to the product, personal property and cause serious injury.

This is a sophisticated hobby product. It must be operated with caution and common sense and requires some basic mechanical ability. Failure to oper-

ate this Product in a safe and responsible manner could result in injury or damage to the product or other property. This product is not intended for use by

children without direct adult supervision. Do not use with incompatible components or alter this product in any way outside of the instructions provided by

Horizon Hobby, LLC. This manual contains instructions for safety, operation and maintenance. It is essential to read and follow all the instructions and warn-

ings in the manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or serious injury.

Safety Precautions and Warnings

14+AGE RECOMMENDATION:

Not for children under 14

years. This is not a toy.

WARNING AGAINST COUNTERFEIT PRODUCTS: If you ever need to replace your Spektrum receiver found

in a Horizon Hobby product, always purchase from Horizon Hobby, LLC or a Horizon Hobby authorized dealer to en-

sure authentic high-quality Spektrum product. Horizon Hobby, LLC disclaims all support and warranty with regards,

but not limited to, compatibility and performance of counterfeit products or products claiming compatibility with

DSM or Spektrum.

To register your product online, visit www.e-ﬂ iterc.com

Box Contents

Quick Start Information

Transmitter

Setup

Blank (Acro) Model

Servo Reversing: Normal

Travel Adjust (All Surfaces): 100%

Dual Rates

Hand Launch

and Landing Low

Ail =14mm

=12mm

=11mm

=09mm

Ele =5mm

=5mm

=3mm

Rud =10mm

=10mm

=8mm

EXPO

(Soft center)

High Low

Ail 15% 5%

Ele 20% 5%

Rud 5% 0%

Center of

Gravity (CG)

89mm back from leading edge at

the root.

Flight Timer

Setting 3 minutes

Table of Contents

46.7 oz

(1324g)

34.0 in (865mm)

34.6 in (880mm)

Speciﬁ cations

Motor: 15 BL Brushless outrunner

1200Kv Installed Installed

ESC: 70-Amp Switch Mode

BEC Brushless ESC with EC3™

(EFLA1070)

Installed Installed

(4) Servos (SPMSA320) Installed Installed

Receiver: Spektrum™ AR636A

6-Channel Sport Receiver Installed

Required

Complete

Recommended Battery:

3300mA 11.1V 4S 50C Li-Po

(EFLB33004S50)

Required

Complete

Required

Complete

Recommended Battery Charger:

4-cell Li-Po battery balancing

charger

Required

Complete

Required

Complete

Recommended Transmitter:

Full-Range 2.4GHz with

Spektrum™ DSM2®/DSMX®

technology. (DX6i and above)

Required

Complete

Required

Complete

287 sq in

(18.5 sq dm)

Preﬂ ight ..........................................................................................4

Model Assembly .............................................................................4

Model Assembly Continued .............................................................5

Clevis Installation and Control Centering .........................................6

Control Horn and Servo Arm Settings ..............................................6

PNP Receiver Selection and Installation ..........................................7

Transmitter and Receiver Binding ....................................................7

Battery Installation and ESC Arming ................................................8

Center of Gravity (CG) ....................................................................9

AS3X Control Direction Test ...........................................................9

Flying Tips and Repairs .................................................................10

Post Flight ....................................................................................11

Motor Service ...............................................................................11

Troubleshooting Guide AS3X .........................................................11

Troubleshooting Guide ..................................................................12

AMA National Model Aircraft Safety Code ......................................13

Limited Warranty ..........................................................................14

Contact Information ......................................................................15

FCC Information ............................................................................15

IC Information ...............................................................................15

Compliance Information for the European Union ............................15

Replacement Parts ........................................................................57

Optional Parts ...............................................................................57

Model Assembly

Horizontal Tail Installation

1. Slide the horizontal tail tube ( ) into the hole in the rear of the fuselage.A

2. Install the 2 piece (left and right) horizontal tail as shown. Ensure the con-

trol horn faces down.

3. Install 2 screws ( ) to secure the horizontal tail into place.B

4. Attach the clevis to the elevator control horn (see instructions for clevis

connection).

5. When needed, disassemble in reverse order.

3mm X 10mm

Preﬂ ight

1 Remove and inspect contents.

2 Read this instruction manual thoroughly.

3 Charge ﬂ ight battery.

4 Fully assemble airplane.

5 Install the ﬂ ight battery in the aircraft (once it has been fully charged).

6 Check the Center of Gravity (CG).

7 Bind aircraft to your transmitter.

8 Make sure linkages move freely.

9 Perform the Control Direction Test with the transmitter.

10 Perform the AS3X Control Direction Test with the aircraft.

11 Adjust ﬂ ight controls and transmitter.

12 Perform a radio system Range Test.

13 Find a safe open area to ﬂ y.

14 Plan ﬂ ight for ﬂ ying ﬁ eld conditions.

Model Assembly Continued

Wing Installation

1. Remove the canopy hatch ( ) from the fuselage.A

2. Slide the wing tube ( ) into the fuselage.B

3. Install the left and right wing ( ) over the wing tube and into the C and D

wing slot of the fuselage while inserting the aileron servo connectors

through the provided holes.

CAUTION: DO NOT crush or otherwise damage the wiring when

attaching the wing to the fuselage.

4. Secure the left and right wings to the fuselage using the included

4 screws ( ).E

Tip: If needed, use hemostats or pliers to pull the servo connectors into the

fuselage.

5. Connect the aileron servos ( ) from the wings to the Y-harness connectors F

in the fuselage. The left and right aileron servos can be connected to either

side of the Y-harness.

6. Reinstall the canopy hatch on the fuselage.

Disassemble in reverse order.

IMPORTANT: Correct operation of the AS3X® system requires connection

of both ailerons to the included Y-harness and the AILE (#2 channel) of the

receiver.

3mm X 25mm

Control Surface Centering

After assembly and transmitter setup, conﬁ rm that the control surfaces are

centered. If the control surfaces are not centered, mechanically center the

control surfaces by adjusting the linkages.

If adjustment is required, turn the clevis on the linkage to change the length of

the linkage between the servo arm and the control horn.

After binding a transmitter to the aircraft receiver, set the trims and

sub-trims to 0, then adjust the clevises to center the control surfaces.

Control Horn and Servo Arm Settings

The table to the right shows the factory settings for the control horns and servo

arms. Fly the aircraft at factory settings before making changes.

NOTICE: If control throws are changed from the factory settings, the AR636

gain values may need to be adjusted. Refer to the Spektrum AR636 manual for

adjustment of gain values.

After ﬂ ying, you may choose to adjust the linkage positions for the desired

control response. See the table to the right.

Horns Arms

Elevator

Rudder

Ailerons

Clevis Installation and Control Centering

Clevis Installation

• Pull the tube from the clevis to the linkage.

• Carefully spread the clevis, then insert the clevis pin into the desired hole in

the control horn.

• Move the tube to hold the clevis on the control horn.

More control throw Less control throw

Binding is the process of programming the receiver to recognize the GUID

(Globally Unique Identiﬁ er) code of a single speciﬁ c transmitter. You need to

‘bind’ your chosen Spektrum™ DSM2®/DSMX® technology equipped aircraft

transmitter to the receiver for proper operation.

IMPORTANT: Before binding a transmitter, read the Transmitter Setup section

of this manual to ensure that your transmitter is properly programmed for this

aircraft.

Transmitter and Receiver Binding

Bind Plug Installation

BIND PLUG

Binding Procedure

IMPORTANT: The included AR636 receiver has been programmed for

operation speciﬁ cally for this aircraft. Refer to the receiver manual for cor-

rect setup if the receiver is replaced or is used in another aircraft.

Read the transmitter instructions for binding to a receiver (location of

transmitter’s Bind control). Please visit www.bindnﬂ y.com for a com-

plete list of compatible transmitters.

CAUTION: When using a Futaba

® transmitter with a Spektrum DSM

module, you must reverse the throttle channel and rebind. Refer to your

Spektrum module manual for binding and failsafe instructions. Refer to

your Futaba transmitter manual for instructions on reversing the throttle

channel.

1. Make sure the transmitter is powered off.

2. Move the transmitter controls to neutral (ﬂ ight controls: rudder,

elevators and ailerons) or to low positions (throttle, throttle trim).**

3. Install a bind plug in the receiver bind port extension.

4. Connect the ﬂ ight battery to the ESC. The ESC will produce a series

of sounds. One long tone, then 3 short tones conﬁ rm that the LVC is

set correctly for the ESC. The orange bind LED on the receiver will

begin to ﬂ ash rapidly.

5. Power on the transmitter while holding the transmitter bind button

or switch. Refer to your transmitter’s manual for binding.

6. When the receiver binds to the transmitter, the orange bind light on

the receiver will turn solid and the ESC will produce a series of three

ascending tones. The tones indicate the ESC is armed, provided the

throttle stick and throttle trim are low enough to trigger arming.

7. Remove the bind plug from the bind port extension.

8. Safely store the bind plug (some owners attach the bind plug to their

transmitter using two-part loops and clips).

9. The receiver should retain the binding instructions received from the

transmitter until another binding is done.

* The throttle will not arm if the transmitter’s throttle control is not put at

the lowest position. If you encounter problems, follow the binding instruc-

tions and refer to the transmitter troubleshooting guide for other instruc-

tions. If needed, contact the appropriate Horizon Product Support ofﬁ ce.

**Failsafe

If the receiver loses transmitter communication, the failsafe will activate.

When activated, the airplane controls return to the neutral position estab-

lished during step 2 of the binding procedure.

PNP Receiver Selection and Installation

The Spektrum AR636 receiver is recommended for ths airplane. If you choose

to install another receiver, ensure that it is at least a 4-channel full range

(sport) receiver. Refer to your receiver manual for correct installation and

operation instructions.

Installation (AR636 shown)

1. Remove the canopy from the fuselage.

2. Mount the receiver parallel to the length of the fuselage as shown. Use

double-sided servo tape.

CAUTION: Incorrect installation of the receiver could cause a crash.

3. Attach the appropriate control surfaces to the their respective ports on the

receiver using the chart in the illustration.

1 = Throttle

2 = Aileron

3 = Elevator

4 = Rudder

Battery Installation and ESC Arming

Battery Selection

We recommend the E-ﬂ ite® 3300mAh 11.1V 4S 50C Li-Po battery

(EFLB33004S50). Refer to the Optional Parts List for other recommended

batteries. If using a battery other than those listed, the battery should be within

the range of capacity, dimensions and weight of the E-ﬂ ite Li-Po battery packs

to ﬁ t in the fuselage. Be sure the model balances at the recommended CG.

1. Lower the throttle and throttle trim to the lowest settings. Power on the

Transmitter, then wait 5 seconds.

2. Apply the loop side (soft side) of the hook and loop tape ( ) to the bottom of A

your battery.

3. Carefully lift the back of the canopy hatch ( ) to remove.B

4. Install the fully charged battery ( ) in the battery compartment as shown. C

See the Adjusting the Center of Gravity instructions for more information.

5. Make sure the ﬂ ight battery is secured using the hook and loop strap ( ). D

6. Connect the battery to the ESC (the ESC is now armed).

7. Keep the aircraft immobile and away from wind or the system will

not initialize.

• The ESC will sound a series of tones (refer to step 6 of the binding

instructions for more information).

• An LED will light on the receiver.

If the ESC sounds a continuous double beep after the ﬂ ight battery is

connected, recharge or replace the battery.

8. Reinstall the canopy hatch.

CAUTION: Always

keep hands away from

the propeller. When

armed, the motor will turn

the propeller in response

to any throttle movement.

Center of Gravity (CG)

The CG location is measured from the leading edge of the wing at the root.

This CG location has been determined with the recommended Li-Po battery

installed all the way forward in the battery compartment.

89mm

back from lead-

ing edge at

the root.

AS3X Control Direction Test

This test ensures that the AS3X

® control system is functioning properly.

Assemble the aircraft and bind your transmitter to the receiver before

performing this test.

1. Raise the throttle just above 25% and then lower the throttle to activate

AS3X.

2. Move the entire aircraft as shown and ensure the control surfaces move in

the direction indicated in the graphic. If the control surfaces do not respond

as shown, do not ﬂ y the aircraft. Refer to the receiver manual for more

information.

Once the AS3X system is active, control surfaces may move rapidly. This is

normal. AS3X is active until the battery is disconnected.

Aircraft

movement AS3X Reaction

E l e v a t o rA i l e r o nR u d d e r

Flying Tips and Repairs

Consult local laws and ordinances before choosing a ﬂ ying location.

Range Check your Radio System

Before you ﬂ y, range check the radio system. Refer to your speciﬁ c transmitter

instruction manual for range test information.

Oscillation

Once the AS3X system is active (after advancing the throttle for the ﬁ rst time),

you will normally see the control surfaces react to aircraft movement. In some

ﬂ ight conditions you may see oscillation (the aircraft rocks back and forth on

one axis due to overcontrol). If oscillation occurs, refer to the Troubleshooting

Guide for more information.

Hand Launching

For ﬁ rst ﬂ ights, we recommend you use the help of a friend to hand launch the

model. Hold the aircraft in the ﬁ nger grips on the underside of the fuselage.

Face into the wind and advance the throttle to between 50 and 75%. Give the

aircraft a ﬁ rm throw directly into the wind at a slight angle (10 degrees above

the horizon). Advance the throttle and climb out.

Flying

Always choose a wide-open space for ﬂ ying. Due to the higher speeds of this

aircraft, it does require more room to ﬂ y than average foam models. It is ideal

for you to ﬂ y at a sanctioned ﬂ ying ﬁ eld. If you are not ﬂ ying at an approved

site, always avoid ﬂ ying near houses, trees, wires and buildings. You should

also be careful to avoid ﬂ ying in areas where there are many people, such as

busy parks, schoolyards, or soccer ﬁ elds.

In ﬂ ight trimming

During your ﬁ rst ﬂ ight, trim the aircraft for level ﬂ ight at 3/4 throttle. Make

small trim adjustments with your transmitter’s trim switches to straighten the

aircraft’s ﬂ ight path. After landing, adjust the linkages mechanically to account

for trim changes and then reset the trims to neutral. Ensure the aircraft will ﬂ y

straight and level with no trim or sub-trim.

After adjusting transmitter trim in the air

or on the ground, do not touch the

control sticks for 5 seconds. This al-

lows the receiver to learn the correct

settings to optimize AS3X performance.

Failure to do so could affect ﬂ ight

performance.

Landing

For your ﬁ rst ﬂ ights with the recommended battery pack (EFLB33004S50), set

your transmitter timer or a stopwatch to 3 minutes. After three minutes, land

the aircraft. Adjust your timer for longer or shorter ﬂ ights once you have ﬂ own

the model. If at any time the motor pulses, land the aircraft immediately to

recharge the ﬂ ight battery. See the Low Voltage Cutoff (LVC) section for more

details on maximizing battery health and run time.

Land the aircraft into the wind in a soft area, such as tall grass using the rec-

ommended landing rate. Use a small amount of throttle for the initial approach.

Once the aircraft is on a proper approach angle, and the aircraft will land in

the proper area, remove all throttle, but maintain the descent. During approach

and landing, keep the wings level and the aircraft pointed into the wind. As you

approach 2-3 feet in altitude, begin your ﬂ are. Continue easing back on the

elevator to bring the aircraft down gently on the belly.

NOTICE: If a crash is imminent, reduce the throttle and

trim fully. Failure to do so could result in extra dam-

age to the airframe, as well as damage to the ESC and

motor.

NOTICE: After any impact, always ensure the receiver

is secure in the fuselage. If you replace the receiver,

install the new receiver in the same orientation as the

original receiver or damage may result.

NOTICE: Crash damage is not covered under warranty.

NOTICE: When you are ﬁ nished ﬂ ying, never leave the

aircraft in direct sunlight or in a hot, enclosed area

such as a car. Doing so can damage the aircraft.

Low Voltage Cutoff (LVC)

When a Li-Po battery is discharged below 3V per cell, it will not hold a charge.

The ESC protects the ﬂ ight battery from over-discharge using Low Voltage

Cutoff (LVC). Before the battery charge decreases too much, LVC removes

power supplied to the motor. Power to the motor pulses, showing that some

battery power is reserved for ﬂ ight control and safe landing.

Disconnect and remove the Li-Po battery from the aircraft after use to prevent

trickle discharge. Charge your Li-Po battery to about half capacity before stor-

age. During storage, make sure the battery charge does not fall below 3V

per cell. LVC does not prevent the battery from over-discharge during storage.

NOTICE: Repeated ﬂ ying to LVC will damage the battery.

Tip: Monitor your aircraft battery’s voltage before and after ﬂ ying by using a

Li-Po Cell Voltage Checker (EFLA111, sold separately).

Repairs

Thanks to the Z-Foam™ material in this aircraft, repairs to the foam can be

made using virtually any adhesive (hot glue, regular CA, epoxy, etc). When parts

are not repairable, see the Replacement Parts List for ordering by item number.

For a listing of all replacement and optional parts, refer to the list at the end of

this manual.

NOTICE: Use of CA accelerant on your aircraft can damage paint. DO NOT

handle the aircraft until accelerant fully dries.

WARNING:

Always decrease

throttle at propeller

strike.

5 Seconds

Produkt Specifikationer

Mærke:	E-flite
Kategori:	Radiostyret legetøj
Model:	EFL1275

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