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J3-CUB 

INSTRUCTION MANUAL 

WARNING: 

This  J3  Cub  Electric R\C model  is not a toy and is not suitable for children under  14 years. 

1. Do not fly near:  Houses or buildings, children's play areas,  roads or traffic,  railways, airports,

overhead power lines and pylons. Do not fly near or over crowds of people or spectators.

2. The ideal location for flying is a wide-open space in all directions with no people around. (If

using a model airfield, be sure to contact the airfield's administrator for permission to fly.)

3. Be careful when charging the battery, use a dedicated lithium polymer battery charger that will 

not overcharge the battery. Let the battery cool before recharging, do not charge in direct 
sunlight.

4. Always check that other pilots are not using the same frequency (band) in the area you wish

to fly in.

5. Do not fly in strong winds or when a thunderstorm is close..
6. Do not try to catch the plane when it is flying.
7. Children who are under  14 years of age should be assisted by an experienced adult when

the plane is being flown.

8. This model aircraft has been designed to be powered by an electric motor.  Fly this model in

the manner in which it has been designed for, do not fly it aggressively otherwise you may
experience structural failure which could result in injury.

9. Do not touch the propeller when the motors is running, it could lead to serious injuries.

Note: 

The manufacturer will not be held responsible for any

damage or accidents caused by the improper use 

of this model. 

Thank you for purchasing our PiperJ3 Cub Electric R\C airplane, 
The Piper is a  propeller driven aircraft which is ideal for beginners! 
The Piper will perform most maneuvers you will want to try with this 
type of model and it  is  very  robust  If you happen to meet the 
ground sooner than you had planned. There is a good chance the 
J3 Cub will survive for another flight but you may want a tube of 
epoxy glue close by just to be sure you can fix minor damage if it 
occurs. 
In order to fly the Piper, please make sure you read through the 
instructions carefully before attempting to operate the model for the 
first time. 
You alone are responsible for the safe operation of your radio­
controlled model. Young people should only be permitted to operate 
this model under  the instruction and supervision of an adult who is 
aware of the hazards involved in flying model airplanes. 

Summary of Contents for J3 CUB

Page 1: ...J3CUB Aerobatic Model Planes INSTRIJCTION MANIJAL CE 0 MADE IN CHINA The manufacturer reserve the right to modify the specification or printing errors without prior notice ...

Page 2: ...owered by an electric motor Fly this model in the manner in which it has been designed for do not fly it aggressively otherwise you may experience structural failure which could result in injury 9 Do not touch the propeller when the motors is running it could lead to serious injuries Note The manufacturer will not be held responsible for any damage or accidents caused by the improper use of this m...

Page 3: ...he spare parts Specification Brushless version Wingspan approx 1400mm Length 98 mm Flying weight 1800g Wing load 56 g dm2 12 x 9 Propeller 4 x 9g servos Radio System 2 4Ghz Radio 4Ch Tx and 6Ch Rx 4S version ESC 45A Powerful 3648 KV700 brushless motor Battery 2200mAh 14 8V 20C 3S version ESC 30A Powerful 3536 KV800 brushless motor Battery 2200mAh 11 1V 20C Vertical Fin Landing gear set Wing Rod se...

Page 4: ... for the working U C springs Glue the scale parts to the fairings for the working U C springs Clip one end of the spring to the scale part that goes to the wheel Slide over a piece of heatshrink tubing then clip the other end of the spring to the central part Slide the heatshrink over the spring and shrink into place Fit the wheel onto the steel wire as shown Screw on the wheel retaining collar be...

Page 5: ...8 Assembly of the tailplane fin and tailwheel Assembly of wing main landing gear and propeller ...

Page 6: ...n Always put the battery in a metal container when it is charging or not in use It is recommended to use the included balance charger to charge your battery Pre Flight Check 1 Check for any warps or damaged parts on main wing fuselage or tail components 2 Check the propeller and the adapter make sure it is secure and all the screws are securely fastened 3 Always check there are no other pilots usi...

Page 7: ... do a gentle turn back into the wind inline with the landing area Allow the model to descend with sufficient airspeed when it gets to about a metre from the ground gently ease in a bit of up elevator until the model is flying level with the ground As it sinks to the ground keep gently applying up elevator until it lands Tips 1 Train yourself with the FMS Flight Model Simulator before you fly the J...

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