Horizon Hobby E-flite P-39 Airacobra 1.2m Instruction Manual
P-39 Airacobra 1.2m
Instruction Manual
Bedienungsanleitung
Manuel d’utilisation
Manuale di Istruzioni
EFL9150
NOTE: Actual model trim scheme may vary
EFL9175
EN
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 or www.towerhobbies.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:
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.
CAUTION: Procedures, which if not properly followed, create the probability of physical property damage AND a possibility of serious injury.
NOTICE: Procedures, which if not properly followed, create a possibility of physical property damage AND little or no possibility of 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
operate 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
warnings in the manual, prior to assembly, setup or use, in order to operate correctly and avoid damage or serious injury.
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 ensure 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 technology.
14
AGE RECOMMENDATION:
Not for children under 14
+
years. This is not a toy.
Safety Precautions and Warnings
As the user of this product, you are solely responsible for operating in a
manner 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.
Battery Charging Warnings
CAUTION: All instructions and warnings must be followed exactly. Mishandling of Li-Po batteries can result in a fi re, personal injury, and/or property damage.
• NEVER LEAVE CHARGING BATTERIES UNATTENDED.
• NEVER CHARGE BATTERIES OVERNIGHT.
• By handling, charging or using the included Li-Po battery, you assume all
risks associated with lithium batteries.
• If at any time the battery begins to balloon or swell, discontinue use
immediately. If charging or discharging, discontinue and disconnect.
Continuing to use, charge or discharge a battery that is ballooning or
swelling can result in fi re.
• Always store the battery at room temperature in a dry area for best results.
• Always transport or temporarily store the battery in a temperature range of
40–120º F (5–49º C). Do not store the battery or aircraft in a car or direct
sunlight. If stored in a hot car, the battery can be damaged or even
catch fi re.
• Always charge batteries away from fl ammable materials.
• Always inspect the battery before charging and never charge
damaged batteries.
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• Always disconnect the battery after charging, and let the charger cool
between charges.
• Always constantly monitor the temperature of the battery pack
while charging.
• ONLY USE A CHARGER SPECIFICALLY DESIGNED TO CHARGE LI-PO
BATTERIES. Failure to charge the battery with a compatible charger may
cause fi re resulting in personal injury and/or property damage
• Never discharge Li-Po cells to below 3V under load.
• Never cover warning labels with hook and loop strips.
• Never leave charging batteries unattended.
• Never charge batteries outside recommended levels.
• Never attempt to dismantle or alter the charger.
• Never allow minors to charge battery packs.
• Never charge batteries in extremely hot or cold places (recommended
between 40–120° F or 5–49° C) or place in direct sunlight.
P-39 Airacobra 1.2m
Box Contents
Quick Start Information
Transmitter
Setup
Dual Rates
Center of
Gravity (CG)
Set up your transmitter using the
Ail 14mm +/– 9mm +/–
Ele 15mm +/– 10mm +/–
Rud 20mm +/– 12mm +/–
Flaps 50mm (full) 35mm (mid)
from leading edge with gear down
EN
transmitter setup chart
Hi Rate Low Rate
50mm - 44mm
Flight Timer
Setting
Specifi cations
Motor: BL15 Brushless Outrunner
880Kv (EFL8463)
ESC: 40 AMP Brushless ESC
(EFLA1140W)
Servo: 9 gram (SPMSA330) Installed Installed
Receiver: Spektrum™ AR636A
6-Channel Sport Receiver
(SPMAR636)
Recommended Batteries:
11.1V 3S 2200mAh 30C Li-Po
(EFLB22003S30) or 2200mAh
4S 14.8V 30C LiPo, 13AWG: EC3
(EFLB22004S30)
Recommended Battery Charger:
3s and 4s compatible Li-Po
battery balancing charger
Recommended Transmitter:
Full-Range 6 channel (or more)
2.4GHz with Spektrum
®
DSM2
/DSMX® technology with
adjustable Dual Rates.
4 minutes
Installed Installed
Installed Installed
Installed
Required to
Complete
Required to
Complete
Required to
Complete
Required to
Complete
Required to
Complete
Required to
Complete
Required to
Complete
Table of Contents
Prefl ight ...........................................................................................................4
Transmitter Setup ...........................................................................................4
Model Assembly ..............................................................................................5
Model Assembly Continued .............................................................................. 6
Model Assembly Continued .............................................................................. 7
Control Horn and Servo Arm Settings ...............................................................7
Optional Drop Tank Installation .........................................................................7
Pitot Tube Installation .......................................................................................8
Battery Installation and ESC Arming .................................................................8
Transmitter and Receiver Binding-Switching ON/OFF SAFE
®
SAFE
Select Switch Designation ...................................................................10
AS3X Control Direction Test ...........................................................................10
Center of Gravity (CG) ...................................................................................11
In Flight Trimming ..........................................................................................11
Flying Tips and Repairs ..................................................................................11
Post Flight......................................................................................................12
Motor Service ................................................................................................12
Troubleshooting Guide AS3X ..........................................................................12
Troubleshooting Guide ...................................................................................13
AMA National Model Aircraft Safety Code .......................................................14
Limited Warranty ...........................................................................................15
Contact Information .......................................................................................16
FCC Information .............................................................................................16
IC Information ................................................................................................16
Compliance Information for the European Union .............................................16
Replacement Parts .........................................................................................58
Optional Parts ................................................................................................58
®
Select ..................9
1.2m (47.25 in)
1.1m (43.3 in)
58.5 - 67oz
(1658.4 - 1899.4 g)
419.76 sq/in
(27.08 sq/dm)
If you own this product, you may be required to register with the FAA.
For up-to-date information on how to register with the FAA, please visit
https://registermyuas.faa.gov/.
For additional assistance on regulations and guidance on UAS usage, visit
knowbeforeyoufl y.org/.
To register your product online, visit www.e-fl iterc.com
3
EN
Prefl ight
1 Remove and inspect contents.
2 Read this instruction manual thoroughly.
3 Charge the fl ight battery.
4 Setup Transmitter using transmitter setup chart.
5 Fully assemble the airplane.
6 Install the fl ight battery in the aircraft (once it has been fully charged).
7 Check the Center of Gravity (CG).
8 Bind the aircraft to your transmitter.
9 Make sure linkages move freely.
Transmitter Setup
IMPORTANT: After you set up your model, always rebind the transmitter and
receiver to set the desired failsafe positions.
Dual Rates
Take fi rst fl ights in Low Rate. For landings, use high rate elevator.
NOTICE: To ensure AS3X functions properly, do not lower rate values below
50%. If lower rates are desired, manually adjust the position of the pushrods
on the servo arm.
NOTICE: If oscillation occurs at high speed, refer to the Troubleshooting Guide
for more information.
Expo
After fi rst fl ights, you may adjust expo in your transmitter or refer to the
AR636 receiver manual for expo adjustment.
10 Test the retract operation.
11 Test the fl ap operation.
12 Perform the Control Direction Test with the transmitter.
13 Perform the AS3X Control Direction Test with the aircraft.
14 Adjust fl ight controls and transmitter.
15 Perform a radio system Range Test.
16 Find a safe open area to fl y.
17 Plan fl ight for fl ying fi eld conditions.
Computerized Transmitter Setup
(DX6i, DX6, DX7, DX7S, DX8, DX9, DX10t and DX18)
Start all transmitter programming with a blank ACRO model (do a model
reset), then name the model.
Set Dual Rates to:
Set Servo Travel to: 100%
1. Go to the SETUP LIST MENU
2. Set MODEL TYPE: ACRO
3. Go to ADJUST LIST MENU
DX6i
4. Set FLAPS: Norm 95 Flap
LAND 95 Flap
1. Go to the SYSTEM SETUP
2. Set MODEL TYPE: AIRPLANE
3. Set WING TYPE: 1 AIL 1 FLAP
4. Go to the FUNCTION LIST
5. Set SERVO SETUP: Reverse GEAR
DX7S
6. Set FLAP SYSTEM: Choose Flap
DX8
NORM: –100% FLAP
MID: 0% FLAP
LAND: 100% FLAP
SPEED 2.0S: SWITCH = FLAP
1. Go to the SYSTEM SETUP
2. Set MODEL TYPE: AIRPLANE
3. Set AICRAFT TYPE:
WING: 1 AIL 1 FLAP
DX6
4. Go to the FUNCTION LIST
DX7
5. Set SERVO SETUP: Reverse GEAR
DX9
6. Set FLAP SYSTEM:
DX10t
SELECT SWITCH D:
DX18
POS 0: –100% FLAP
POS 1: 0% FLAP
POS 2: 100% FLAP
SPEED 2.0
HIGH 100%
LOW 70%
4
P-39 Airacobra 1.2m
Model Assembly
Horizontal Tail Installation
1. Slide the horizontal tail tube (A) into the hole in the rear of the fuselage.
2. Install the 2 piece (left and right) horizontal tail as shown. Ensure the
control horn faces down.
3. Secure the two horizontal tail pieces in place using the 2 included screws (B).
4. Attach the clevis to the elevator control horn (see instructions for
clevis connection).
EN
A
B
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EN
Model Assembly Continued
Wing Installation
1. Align the hands free servo connector and press wing into wing saddle.
2. Secure wing into position using the included 4 screws (B)..
Disassemble in reverse order.
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.
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.
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1.
2.
3.
4.
5.
6.
P-39 Airacobra 1.2m
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