FMSMODEL J-3 Instruction manual
1400mm J-3 V3
FLOAT
Optional float
RIGID
Strong durable EPO
STABLE
Smooth flying performance
Instruction Manual
Bedienungsanleitung
Manuel d’utilisation
操作手册
EN
WARNING
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 and NOT a toy. It must be operated with caution and common sense and failure to do so
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.
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 and avoid damage or serious injury.
p w
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. This model is controlled by a radio signal subject to interference from
many sources outside your control. This interference can cause momentary loss of control so it is advisable to always keep a
safe distance in all directions around your model, as this margin will help avoid collisions or injury.
Age Recommendation: Not for children under 14 years. This is not a toy.
·Never operate your model with low transmitter batteries.
·Always operate your model in an open area away from cars, traffic or people.
·Avoid operating your model in the street where injury or damage can occur.
·Never operate the model in populated areas for any reason.
·Carefully follow the directions and warnings for this and any optional support equipment you use (chargers,rechargeable
battery packs, etc.)
·Keep all chemicals, small parts and anything electrical out of the reach of children.
·Moisture causes damage to electronics. Avoid water exposure to all equipment not specifically designed and protected for this
purpose.
·Never lick or any place of any your model in your mouth as it could cause serious injury or even death.
Lithium Polymer (Li-Po) Battery Warning
CAUTION: Always follow the manufacturer’s instructions for safe use and disposal of batteries. Fire, property
damage, or serious injury can result from the mishandling of Li-Po batteries.
By handling, charging or using a Li-Po Battery you assume all risks associated with lithium batteries.
If at any time the batteries begin to swell or balloon, discontinue use immediately!
Always store the batteries at room temperature in a dry area to extend the life of the battery. Always transport
or temporarily store the battery in a temperature range of 40-120F. Do not store the battery or model in a car or in direct sunlight.
If stored in a hot car, the battery can be damaged or even catch fire.
Never use a Ni-Mh Charger to charge Li-Po Batteries. Failure to charge the battery with a Li-Po compatible charger
may cause fire resulting in personal injury and property damage.
Never discharge Li-Po Cells below 3V.
Never leave charging batteries unattended.
Never charge damaged batteries.
Charging the Flight Battery Warning
Use a battery charger that is designed to safely charge the Li-Po Battery. Read the charger instructions care
fully before use. When charging the battery, make certain the battery is on a heat resistant surface. It is also highly
recommended to place the Li-Po Battery inside a fire resistant charging bag readily available at hobby shops or
online.
Introduction
The Piper J-3 Cub is an American light aircraft that was built
between 1937 and 1947 By the Piper Aircraft Company as an
affordable trainer. The aircraft has a simple, lightweight design
which gives it good low-speed handling properties and shortfield performance. During the WWII, J-3 Cub was designated as
L-4 Grasshopper, used extensively for reconnaissance,
transporting supplies, artillery spotting duties and medical
evacuation of wounded soldiers.
Like its full-sized counterpart, the all-new FMS 1400mm J-3 V3
has excellent short takeoff and landing (STOL) and slow speed
handling characteristics. FMS has dedicated significant amount
of resources in making this aircraft as detailed as possiblecomponents such as the engine and landing gear, among many
others, are replicated in loving detail. Something worth noting is
that FMS has made scale floats for the Cub as a response to
popular demand from the community.
To mix things up a little, FMS has selected an attractive,
historically accurate red paint scheme for the V3 Cub. Not all
J-3’s were yellow!
For pilots who are looking for an easy-to-fly, scale aircraft that
has gentle trainer characteristics, plenty of power and graceful l
ines from the golden-age of flight- the 1400mm FMS J-3 V3 is
all of that, and more.
Features:
• Powerful 3536-850KV motor, Predator 40A ESC
• Highly detailed scale engine and landing gear
• Simple structure for quick assembly
• Durable EPO material
• Optional scale floats
Table of contents
Introduction
Kit contents
Model assembly
Battery installation
Receiver diagram
Preflight check
Clevis installation
Control horn and servo arm settings
Center of gravity(CG)
Before flying the model
Flying course
Troubleshooting
Spare parts list content
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Kit contents
Before assembly, please inspect the contents of the kit. The
photo below details the contents of the kit with labels. If any
parts are missing or defective, please identify the name or
part number (refer to the spare parts list near the end of the
manual) then contact your local shop or email us: support
@fmsmodel.com.
Specifications
Wingspan: 1400mm(55.1in)
Overall length: 900mm(35.4in)
Flying weight: ~ 1320g
Motor size: 3536-KV850
Wing load: 47g/dm²(0.11oz/in²)
Wing area: 28dm²(434sq.in)
ESC: 40A
Servo: 9g Servo x 4
Recommended battery: 11.1V 2200mAh 25C
A.
B.
C.
D.
K.
A: Fuselage
B: Main wing set
C: Horizontal stabilizer
D: Vertical stabilizer
E.
F.
G.
H.
E: Main landing gear set I: Pipe and Y cable
F: Supporting bar
G: Propeller set
H: Linkage rods and screws
I.
J.
J:Tail strut
K:Float set
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EN
Model assembly
Landing gear set installation
1.With the fuselage bottom facing up, carefully Install the landing
gear set to the fuselage with the included screws as shown.
PA2.6*15
Main wing set installation
1.Have the screws go through the supporting bar and then secure on the base.
2.Lock up the fasteners of supporting bar on fuselage as shown.
KA2.0*8
PA2.6*15
3.Slide the tube into the fuselage then install both wings over the
wing tube and into the wing slot of the fuselage.
Notice: The connectors on both side should be attached
precisely and firmly.
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