The World Models Manufacturing Happy-Fly Instruction Manual Download Page 1

0.25 cubic inch displacement 2 stroke ( glow)

Radio required: 4 channels, 4 servos airplane radio

Wing Span

Wing Span
Wing Area

Wing Area
Flying Weight

Flying Weight
Fuselage Length

Fuselage Length

431 sq in / 27.8 sq dm

431 sq in / 27.8 sq dm
3.5 lbs / 1500 g

3.5 lbs / 1500 g
40.5 in / 1030 mm

40.5 in / 1030 mm

* Specifications are subject to change without notice.*

* Specifications are subject to change without notice.*

Wa r n i n g ! T h i s m o d e l i s n o t a t o y.

It is designed for maximum performance.  Please seek advice if one is not familiar with this kind
of engine powered precision model.  Operating this model without prior preparation may cause
injuries.  Remember, safety is the most  important thing.  Always keep this  instruction  manual
at hand for quick reference.

THE WORLD MODELS
MANUFACTURING CO., LTD.

FACTORY PRE-FABRICATED
ALMOST-READY-TO-FLY(ARF)SERIES
MADE IN CHINA
www.theworldmodels.com

45.5 in /1160mm

45.5 in /1160mm

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Specifications

Specifications

INSTRUCTION MANUAL

INSTRUCTION MANUAL

Summary of Contents for Happy-Fly

Page 1: ...tice Warning This model is not a toy It is designed for maximum performance Please seek advice if one is not familiar with this kind of engine powered precision model Operating this model without prior preparation may cause injuries Remember safety is the most important thing Always keep this instruction manual at hand for quick reference THE WORLD MODELS MANUFACTURING CO LTD FACTORY PRE FABRICATE...

Page 2: ...tention here Pierce the shaded portion covering film Pierce the shaded portion covering film Do not overlook this symbol Do not overlook this symbol Must be purchased separately Must be purchased separately Cut off shaded portion Cut off shaded portion Ensure smooth non binding movement while assembling Ensure smooth non binding movement while assembling Apply instant glue C A glue super glue Appl...

Page 3: ...7 FUELTUBE 6 x 5mm 6 pcs HEAT SHRINK TUBE 8x40mm 4 pcs 14 WOODEN PARTS BALSAWOOD 10x 10 x 66mm For Fixing Fuel Tank 1 pc PLYWOOD 6 x 16 x100mm Wing Joiner 1 pc PLYWOOD 3 x 12 x 30mm For Aileron Servo 2 pcs 15 PLASTIC PARTS CLEVIS 4 pcs STRAPER 2 pcs RUBBER BAND 60 x 4mm 4 pcs STEERINGARM 1 pc 16 METAL PARTS LINKAGE CONNECTOR 4 sets COLLAR 3 6mm w set screw 7 sets NUT 3mm 8 pcs SCREW PA3 x 10mm 4 p...

Page 4: ... Aileron Servo Aileron Servo 2 2 Securely glue together If coming off during flights you lose control of your airplane which leads to accidets Plywood 3 x 12 x 30mm Plywood 3 x 12 x 30mm Cut out the covering film 1mm Straper Fuel Tube 6 x 5mm 4 pcs Clevis Ring ...

Page 5: ...nt Wheel Front Wheel 6 6 3mm Set Screw 4 3 3 6mm Collar 3mm Set Screw Front Wheel PushWire SteeringArm Front View 3mm Set Screw Completed WayA WayA Way B Way B For Way B 3 6mm Collar 3 6mm Collar 3 6mm Collar 4 4 Landing Gear Landing Gear ...

Page 6: ...sher 3mm Nut 4 4 8 8 8 8 3mm Throttle Pushwire w plastic tube 3mm PM3 x 25mm Install Engine position 95mm 3 74 in Spinner 40mm 3mm Stabilizer Stabilizer 9 9 Peel off shaded portion covering film A A A A Tempo rary ins tall the main wi ng adj us t leveling of the stabi lizer to make it as pa rallel to the main wi ng as po ssibl e Stabilizer Main Wing B B ...

Page 7: ...r Pushrod Elevator Pushrod 2mm Included with the Radio Set Throttle Servo Rudder Servo Elevator Servo Please refer to attached sheet for linkage stopper installation Radio Equipment Radio Equipment 12 12 ron F t Throttle Pushwire Front Wheel Pushwire Elevator Pushrod Rudder Pushrod Top View Linkage Connector Wooden Rod Ø8x300mm Metal Rod Ø1 8x120mm Plywood 3x66x106mm ...

Page 8: ...Rudder Pushrod PM 2 x 12mm Scre w 2 Rudder Pushrod PM2 x12mm Line up the holes of the horn to the edge of the rudder See diagram Rudder Clevis horn Fuel Tube 6 x 5mm Horn 15 15Elevator Pushrod Elevator Pushrod PM 2 x 12mm Scre w 2 Servo To Elevator 6 x 5 m m Fuel Tube Cl evis PM 2 x 12mm Horn Line up the holes of the horn to the edge of the eleva tor See diagram Bo t t o m Vi e w Elevator horn ...

Page 9: ...ing step one to step four and repeat once In t otal eight rubber bands are used for mounting Adjust the wing and fuselage configuration shown as in the diagrams A A B B C C A A B B C C Elevator Rudder Aileron 10mm 10mm 20mm 20mm 5mm 5mm Adjust the control throws as shown in the diagram These throws are good for general flying You can adjust according to your personal preference Wooden Ø6x102mm ...

Page 10: ... running propeller too close to a running propeller If you find wrinkles on the covering as a result of weather changes you can use hot iron If you find wrinkles on the covering as a result of weather changes you can use hot iron to remove the wrinkles Please begin with lower temperature setting and gradually raise to remove the wrinkles Please begin with lower temperature setting and gradually ra...

Page 11: ...eely Product Registration Form US Customers Product Registration Form US Customers We would like to share with you any relevant information regarding your model including product news and free upgrade parts when applicable Please fill in the following and send to 1 Name 2 Address 3 Phone e mail 4 Model Wing QC Fuselage QC QC numbers are stamped on wing and fuselage 5 Date of Purchase 6 Store Name ...

Page 12: ...Warbirds Scale Sports Trainer Covering Lightex Toughlon Accessories Pattern Funfly Electric Glider Boat http www theworldmodels com A022S0606 ...

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