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Yak54 EPP
Instruction Manual
Features:
EPP-YAK54 is super aerobatic model for 3D aerobatic flying.
Model is produced by modern technology on CNC machines
from EPP "almost unbreakable" material.
The flying time of EPP-YAK54 is between 8 to 15 minutes, it
depends on the flying figures. The model is able to "torque
roll"and then after giving more "gas" to rise verticaly up, looping
in "knife" flight and all aerobatic figures. It is very easy to land
with the model, you are able to do it into your hand if you want
like with handlaunch glider.
Warning
An R/C aircraft is not a toy! If misused, it can cause seriousbodily
harm and damage to property. Fly only in open areas,preferably
AMA (Academy of Model Aeronautics) approvedflying sites,
following all instructions included with your radio.Always assume
the electric motor can come on at any time souse extreme
caution.Before beginning assembly of your
strongly uggest that you read through this instruction manual so
s
you canbecome familiar with the parts and the assembly
sequence.Assemble the kit according to the sequence provided in
the instruction manual. Do not attempt to modify or change the kit
design as doing so could adversely change the models flying
characteristics.
Before operating this unit, please read these instructions completely.
EPP-YAK54
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Product Specifications
Fuselage length: 925mm (36.4in.)
Wingspan: 900mm (35.4in.)
Flying Weight:380-470g (with battery)
Motor: 2212 KV 1400
ESC: 20-30Amp
Propeller: GWS 8040-9050
Servo: 8-10g micro servo * 4pcs
Radio: 4/more channel
Battery: 11.1V 800-1200mAh Li-po 20C
Do not fly under the conditions below
Wind strong enough to make the trees rustle
A street with many trees or street lamps
Close to high voltage electrical wires
High Population density areas
Cautions for flying
Large gyms, front lawns and parks make
excellent flying areas. Make sure you have
permission to fly and follow safety guidelines set
by local authorities. The calmer the wind, the
better!
Note for Storage
Please disconnect the lipo packs when finished
flying
Do not press or crush the airplane when storing
The best way to store is to hang the airplane to
keep the control surface rigid
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Summary of Contents for Tech One Yak54 EPP
- Page 1 Before operating this unit, please read these instructions completely. Yak54 EPP Instruction Manual Product Specifications Fuselage length: 925mm (36.4in.) Wingspan: 900mm (35.4in.) Flying Weight:380-470g (with battery) Motor: 2212 KV 1400 Features: ESC: 20-30Amp Propeller: GWS 8040-9050 EPP-YAK54 is super aerobatic model for 3D aerobatic flying.
- Page 2 The items below are required for assembly Recommended Flying Setup Max servo travel of aileron: 30 degrees up and 30degrees down(38mm) Max servo travel of elevator:60 degrees up and 60 degrees down（ 70mm） Max servo travel of rudder: 65 degrees left and 65 degrees right （...
- Page 3 4.Connect the servo extension wire with the servo wire 7.Use the same method to install the elevator servo as installing the rudder servo . 5.Use the hobby knife to cut a 10mm depth slot , make sure the servo wire to reach the receiver location . 8.Install the left aileron servo.
- Page 4 11.Glue the control horn by using the CA . 15.Use the pinchers to cut off the superfluous steel wire. 12.Increase the servo arm hole by using the aiguille , convenient for installing the pushrod connector. 16.At the junction of the receiver and wing location ,cut a hole , convenient for the aileron servo wire pass through easily .
- Page 5 A＝ B 21.Insert the horizontal stabilizer into the fuselage slot 19.Make sure A=B after installed the wing . using CA glue. 20.Glue the both sides of the joint of the wing and fuselage by using CA . 22.Use a knife to cut a slot , as the picture shown. C＝...
- Page 6 29.Install the Z wire onto the pushrod connector , and then tighten the screw with screwdriver. 25.Use a knife to cut a hole onto the rudder . 30.Center the rudder and elevator , and then tighten the servo arm . 31.Glue 2pcs of 1.3mm*190mm carbon rods onto the back of the horizontal stabilizer and the both sides of the under of thefuselage.
- Page 7 38.Use the knife to cut off the superfluous band . 34.Install the wheel and the wheel pant. 39.Install the lipo battery pack ,and then fix them with velcro. 35.Insert the landing gear into the slot . 40.There is a receiver location under the wing, connect 36.Install the motor into the motor mount ,and then tighten the servo and ESC wire to the receiver , And then insert them by using 4pcs screws.
- Page 8 A perfect YAK54 3D-EPP is done after your careful assembly. While assembly, the flying weight is really critical to the flight performance and will be affected by adding weight, so you should reduce any unnecessary weight while assembly. Then you’ll get the best flying performance. －...
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