THUNDER TIGER Sukhoi 31 User manual

JE6942

Warranty

This kit is guaranteed to be free from defects in material and workmanship at the date of purchase.

It does not cover any damage caused by use or modification. The warranty does not extend beyond

the product itself and is limited only to the original cost of the kit. By the act of building this user-

assembled kit, the user accepts all resulting in liability for damage caused by the final product. If the

buyer is not prepared to accept this liability, it can be returned new and unused to the place of

purchase for a refund. Neither your dealer nor Thunder Tiger Distributors, can accept kits for return if

construction has begun.

Notice: Adult Super Vision Required

This is not a toy. Assembly and flying of this product requires adult supervision.

Read through this book completely and become familiar with the assembly and flight of this airplane.

Inspect all parts for completeness and damage. Browse www. thundertiger. com for customer service

if you encounter any problems.

12 1

Assembly Manual

MEMO

THUNDER TIGERCORP. www.thundertiger.com

No. 4347

Specification:

Wing Span:29.3” (830mm)

Length: 29.8”(845mm) 2

WingArea: 322.4sq.in. (20.8dm )

Weight: 14oz.~15oz.(420~430g)

INTRODUCTION

Introduction

Introduction.........................................................................................................................2

Parts Drawings........................................................................................................................3

Wing…………………..........................................................................................…….…...……...4

Tail........................................................................................................................................5

Motor………...........................................................................................………….....……........6

Landing Gear………........................................................................................………….....……..7

Setup....................................................................................................................................8-10

.............................................................................................................................11

TABLEOF CONTENTS

Achecklist isprovided asbelow whichwill makeshopping for these itemseasier.

OTHER ITEMSREQUIRED FORASSEMBLY

Adhesives: You will need the

thick instant (cyanoacrylate)

adhesives.

Thank youfor yourpurchase ofthe ThunderTiger 3D SukuoiEP. You canmake t proven 3Dfun flyer

easily do any aerobatics and 3D maneuvers, includes Knife Edge, Hovering, Torque Rolls, Corbra...etc.

Made ofAnti-Impact EPP material that reduce the crash damage. Very goodfor thosewho are interested in

learning 3D-aerobatics or experienced 3D pilots who are looking fora relaxed practicing plane that can be

used bothoutdoor and indoor.

3D Sukuoi EP

his

The is designed for intermediate pilot minded.Before beginning the assembly read

the instructions thoroughly to give an understanding of the sequence of steps and a general awareness of

the recommended assembly procedures. Check the entire contents of your kit against the parts drawing

and photos to make sure that no parts are missing or damaged. This will also help you to become familiar

with each component of your plane. If you find thatany of the parts are eithermissing or damaged, please

contact ThunderTigerDistributors forCustomer Service.

Radio: A 4-channel radio with

3 micro servos and mini receiver

are required.

Battery: Recommend the use

of a ACE Power Lipo battery

3S1P 1100mAh(No.2804).

Brushless Motor: Recommend

OBL29/09-07A motor ( No.2354)

Paper Towel

Hobby Knife

Ruler

Pen, Pencilor Marker

Phillips&Flat Head ScrewDrivers

Scissors

Nose Plier

Drill Bit 5/64”(2mm)

TOOLSAND SUPPLIESNEEDED

Controller: ACE BLC 12A

(No. 8026) is a perfect controller

that controlling OBL motor

efficiently.

Extension Wire: 2 pieces of

extension wire inlength of 9”.

Propeller: There is 12” prop. in

the kit, yet it is only for test flight.

Recommended APC 10x4.7 SF

propeller for high performance 3D

aerobatics.

PARTS DRAWINGS

Open thebox and check that you have all theparts as shown below.

Fuselage (1)

Glue (1) TailGear (1)

AS6647 Fuselage

AS6648 Main Wing

AS6649 Tail AS6653 11x8 SF Propeller

AS6652 Control Horn

No.2354 OBL29/09-07A

Velcro B(1)

Firewall (1)

1.5 CFK Rod390 (2)

5 11X8 Propeller(1)

Horizontal Tail (1)

Outrunner Brushless Motor29/27-07A (1)

Aileron (L/1,R/1)

Wing (1)

AS6650 Pushrod

AS6651 Landing Gear

Vertical Fin(1)

Clevis (4)

Pushrod (4)

FRP Control Horn(4)

Reinforced Plate (1)

Superlite Wheel (2)

1.5 CFK Rod98 (2)

1.5 CFK Rod230 (2)

3x6mm Sink Screw(4)

Prop Nut (1)

Cross Mount (1)

Adaptor (1)

2x5mm Screw (3) 3x6mm Wood Screw(4)

2 CFK Rod340 (1)

1.5 CFK Rod180 (2)

Velcro A(1)

Hinge (8)

Hinge (4)

AS6336 Wheel

Landing Gear (2) Wheel Colar (2)

Mount (2)

2.3x12mm Wood Screw(1)

WING

1.Carefullyand slowlyinsert themain winginto the

fuselage thencenter itin place.

2. Gluethe CFKrods onAileron,Rudder andElevator

as indicated.

3. Installand center thehorizontal tail inplace, make

sure thehorizontal tailis perpendicularto thevertical

fin andparallel withthe mainwing. NextCA the main

wing andhorizontal tailfirmly inplace.

4. Install four CA hinges on the aileron as shown,

carefully usethe sharphobby knifeto cutthe slotson

aileron and trailingedge of wingfor thehinges.

5.Attach theaileron tothe trailingedge ofmain wing

then apply CA glue to all hinges and make sure

they are jointed well. Do the same procedure on

the other aileron.

6. Installfour CAhinges on therudder, usethe same

way as you didon aileron. Next gluethe rudderon

the verticalfin.

TAIL

7. Gluethe FRPcontrol horn and elevatorreinforced

plates together as shown. Make sure the two

rein forced pieces areglued properlyat eachside of

elevator sothe controlhorn couldbe installed

perpendicularly at left.

8. Do the same procedure as elevator controlhorn

to install therudder control hornas shown at right.

9. Do the same procedure onboth aileron controlhorns.

10. Cut a slot at thebottom rearfuselage, installtail

skid inplace withCA glue.

11.Drill 5/64”(2mm) pilot holes for mounting the

elevator servo, nextconnect a 12” extension wire

before you secure the servo in place. Do thesame

way onrudder servo.

12. Locate the pushrod and clevis, thread the clevis

at least 6mm then snap onto the FRP control horn,

make sure servo is in neutral position then make

Z-bend and cut the excess pushrod. Insert the

Z-bend end to the servo horn and secure the servo

horn on the servo as shown. Do the sameway to

the other pushrod.

Rudder

LANDING GEAR

MOTOR

13. Securethe aileronservo andattach theaileron

pushrods asshown.

14. Secure thecross mount onbrushless motor with

four 3x6mm sink screws. Install theadaptor to the

brushless motorwith three2x5mm screwsas shown.

15. CAthe firewall inplace then installthe brushless

motor on thefirewall with four3x6mm wood screws.

Next install thefurnished propeller andwith prop nut.

If user would try extreme 3D then APC 10x4.7SF

is recommended.

16. Openthe hatchand place the Lipobattery inthe

compartment. Secure the battery in placewith the

2.3X12mm woodscrew.

17. Connect the receiver and controller properly,

secure these electric devices with the furnished

wide Velcro.

18. Locate the narrow/long Velcro strip andtrim as

shown toaccommodate thefuselage opening.

Note: donot cutit offand makesure it is connected.

19. Apply the furnished glue on fuselage opening

and Velcro, wait for 10 minutes before gluing them

together. Hint: It isvery important to wait forcouple

minutes before gluing together. You may blow the

glue area and it will be cured faster. Do not

separate the Velcro. Carefully attach the Velcro to

the fuselageopening onone sidefirst thenapply the

other sideof fuselageto theVelcro.

20. Locate the landing gear wires,mounts, wheels

and stoppers. Bend the wire asshown andtrim the

excess wire.

21. Locate the landing gear mounting slot where

near theleading edge of main wing asshown.

22. Trial fit the landing gear wire and mount first,

CA the wire and landing gear mount in place

when satisfied. Note two landing gear wires are

angled properly.

23. Install the wheel andCA thewheel stopper.Make

sure wheelrotates freely.

Congratulations! Now you are ready to fly. Make

sure to adjust the plane as the suggestion innext

two pages.

LONGITUDE BALANCE

C.G. Mustbe set on thrustline

C.G. istoo low C.G. iscorrect

As 3D planes do a lot of hovering so it is very important to do longitude balance to make hovering much

more stable.Tryto create a small hole after the motorand on the thrust line. Get music wireor stringthen

thread the wire through the hole. Make sure that model hangs perfectly vertical as illustration. If not then

try toadjust the location ofbattery,receiver orESC toget goodlongitude balance.

Congratulations

Your done, may you have many successful flights filled with fun and lots of 3D maneuvers.

Thank you for purchasing this plane from Thunder Tiger and we look forward to providingyou with other

great R/Cproducts inthe nearfuture.

SETTING UPFOR 3DFLIGHT

1/3 1/3 1/3

Stick Travel

Servo Output High Rate

Low Rate

LONGITUDE BALANCE

The following control throw of 3D Sukhoi EP is merely a starting point for your radio setup and can be

tailored tofit yourflying style.

For allthree modelsthe aileronand elevatorof thesame throwsbut rudderare differentas shownbelow.

Elevator/Low Rate 1-3/4” (46mm)

Aileron-High Rate 2-3/4” (70mm)

Aileron-Low Rate 2” (50mm)

2” (50mm)

Elevator/High Rate

Control Throws

BALANCE

It is importantto balance theplane to getcorrect C.G. beforeyou fly.

Balance Point asindicated in eachdiagram.

Note: For thebest flight performanceof the Sukhoi, Ahigh center ofgravity is important.

2-3/4” (70mm)

1-3/4” (46mm)

2-1/2” (65mm)

2” (53mm)

Rudder /Low Rate Rudder/High Rate

CONTROL THROWS

2-1/4” (58mm)

2-1/4” (58mm) 3” (79mm)

3” (79mm)

30cm

Exponetial

To makeyour 3D flight successful, the most important

is to set up your radio properly and fine-tune the

exponential. We would suggest that could show the

exponential graphas theillustration.

Normally this computerized radio has dual rates or

even triple rates. Once you fly it fine with low rate in

normal flight.Next youwill haveto setup 3Drate.

We suggest the 3D-rate setting is same as low rate

setting around 1/3 of the total stick travel in the

beginning. Ifyou lookat thegraph , the middle section

of 1/3 travel are most likely the same at low rate and

3D high rate .Beyond this middle section the 3D rate

setting isfar higherthan thelow rate.

SIMULATOR

A good tool to practice 3D easier is to fly simulator.

One may say simulator is not realistic but this is not

true. There are some simulators available in the

market and itsscenery and performanceare just likea

real thing .For example, Aerofly Pro Deluxe USB

version from ikarus or Real Flight G3 from

Greatplanes are all good simulators you can choose

from .

Simulator isa mustbuy toolif youseriously wantto fly

3D aerobatics. There is no genius or born 3D pilot,

remember that practice makes perfect.30 minutes a

day on a simulator can help you do hovering, torque

roll easily aswell as otheraerobatics. Ifyou would like

to be a good 3D pilot, flying everyday is necessary.

The reaction to control the airplane will be more

nature. As there is no time to think when you do 3D

aerobatics.

Simulator practice might be perfect yet suggest to do

some actual flying as the supplemental so it will not

go too far from the real thing as there are many things

that youcan notlearn inscreen.

FLYING

Even though you set up the airplane , it needs to be

setup and fine-tuned in the air. Always start on low

rates when launch the airplane or take off of the

ground. Once you fine trim the airplane in the air then

tune the exponential setting, you will be able to fly it

all the timeon the 3Drates.

Once you got confidence to do hovering or do 3D

aerobatics, we suggest you fly it near you. The closer

the airplane, the better you fly it near you. The closer

the airplane, the better you can control the plane as

you can see it very clear even if it has a slight

movement. Theother advantage is the lower or closer

to ground, the less potential energy. It is useful for a

dead batteryor ESCcut offsuddenly.

SETUP

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