OMPHOBBY 49 Inch Challenger ARF Version Instruction Manual

: August 7, 2024
: OMPHOBBY

Table of Contents

OMPHOBBY 49 Inch Challenger ARF Version
Product Usage Instructions
OMPHobby 49” Challenger Balsa wood Airplane
OMPHobby 49” Challenger Balsa wood Airplane
Landing gear assembly
Guarantee
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

OMPHOBBY 49 Inch Challenger ARF Version

Specifications

Item: 49 Challenger
Color: Green Red
WingSpan: 1250mm (49in)
Full Length: 1006mm (39.6in)
Flight Weight: 1170g
Center of Gravity (CG): Approx. 62mm
Wing Area: 27.37d
Wing Load: 41.8~55.7g/d
Wing Angle of Incidence: Motor Thrust Angles
Pack Dimension: 104x30x16 cm (LxHxW)
Gross Weight: 5.3KG
Electric Power (Recommended): Motor: Sunnysky 2820, ESC: 40A,
Propeller: Eolo 13x7E/12×6.5E, Lipo battery:3S/4S 2200-2600mah

Product Usage Instructions

Horizontal Stabilizer Assembly

Underneath the fuselage, undo three bolts, then attach the landing gear.
Cut open the hole for the tail wheel wire in the horizontal stabilizer, align the slots and clip it into the fuselage.
Stick the carbon plate to the horizontal stabilizer and secure with three screws.

Wings, Elevator, and Rudder Servos Assembly

Glue the control horns into the control surfaces.
Install the servos after fixing the control horns.
Connect the rudder servo with the provided push rods and ball links.

Power Systems Assembly

Attach the motor back plate with four screws.
Attach the motor to the front of the fuselage with the three phase wires going downwards.
Install the aluminum alloy base, propeller, gasket, nut, fairing, and secure with two cross screws.

FAQ

Q: What is the recommended electric power for the OMPHobby 49 Challenger?
- A: The recommended electric power includes Sunnysky 2820 motor, 40A ESC, Eolo 13x7E/12×6.5E propeller, and 3S/4S 2200-2600mah Lipo battery.
Q: How do I assemble the horizontal stabilizer?
- A: Cut open the hole for the tail wheel wire, align and clip the stabilizer into the fuselage, stick the carbon plate, and secure with screws.
Q: What are the recommended settings for dual rates and exponentials of control surfaces?
- A: Low rate – Aileron: 60 (40%), Elevator: 50 (30%), Rudder: 60 (30%). High rate – Aileron: 100 (40%), Elevator: 100 (30%), Rudder: 100 (30%).
Q: What is the wing area and wing load of the OMPHobby 49 Challenger?
- A: The wing area is 27.37d and the wing load ranges from 41.8g/d to 55.7g/d.

Global Professional RC Model Brand

Instruction Manual

49” Challenger ARF Version

OMPHobby 49” Challenger Balsa wood Airplane

OMPHobby Challenger 49” is a sport RC model airplane built in the traditional way: balsa and film cover.
The air fighter has a slender and smooth fuselage with good route capability. At the same time, a larger control surface with strong power can easily complete P3A actions and some 3D actions.
The overall design is light and the wing load is extremely low. It is designed and positioned as an easy to use balsa airplane.In addition to high‐speed precision and violence, it also has the elegance of low speed.
Novices can grow faster with this aircraft, and senior model friends can feel the precise and neat high‐speed route action when flying, and also the smooth rolling axis. Everyone can find their own flying style on this plane.
The plane can use the most common 3s 2200 battery to fly and the use cost is low.
www.omphobby.com
www.ohiomodelproducts.com

OMPHobby 49” Challenger Balsa wood Airplane

| Parameter Specification|
---|---|---
Item:| 49” Challenger| Color:| Green ▢ Red ▢
WingSpan:| 1250mm(49in)| Full Length:| 1006mm(39.6in)
Flight Weight:| 1170g| The Center of Gravity (CG):| Approx.62mm
Wing Area:| 27.37d ㎡| Wing Load:| 41.8~55.7g/d ㎡
Wing Angle of Incidence:| 2 °| Motor Thrust Angles:| Down 2 ° & Right 4 °
Pack Dimension| 1043016 (LHW)cm| Gross Weight:| 5.3KG
Servo: OMPHOBBY SG5 17g 4 : (Aileron2,Elevator1, Rudder1) Cord/lead: 300mm2,600mm4

Servo Arm: 17g, 0.9″plastic servo arm

Electric Power (Recommended):

Motor: Sunnysky 2820, ESC: 40A, Propeller: Eolo 13x7E/12×6.5E, Lipo battery:3S/4S 2200-2600mah

| Recommended Settings of Dual Rates and Exponentials of Control Surfaces|
---|---|---
| Low rate| Low rate exp| High rate| High rate exp
Aileron| 60| 40%| 100| 40%
Elevator| 50| 30%| 100| 30%
Rudder| 60| 30%| 100| 30%

OMPHobby 49” Challenger Balsa wood Airplane

Package contents (ARF version)

Power System (Recommended)
Motor: Sunnysky 2820, ESC: 40A, Servo: OMPHobby SG5 Propeller: Eolo 13x7E/12×6.5E,
Lipo battery:3S/4S 2200-2600mah

Landing gear assembly

Landing Gear Installation

Attach the axles first with the two belts, then slot the wheels on and use the cap and the bolt on that end.
Underneath the fuselage, undo three bolts, then attach the landing gear

Horizontal stabilizer Assembly

Use a art knife cut open the hole which threading the tail wheel wire and located on horizontal stabilizer.Align the horizontal stabilizer slot with the fuselage slot and clip it into the fuselage.
Stick the carbon plate to the horizontal stabilizer and screw on three cross‐screws.
Punching the hole which threading the tail wheel wire to plug in rudder; Threading the tail wheel wire from the bottom to the top; Stick the rudder into the tail wheel wire, and insert the rudder hinge into fuselage hinge slot;Use 502 gluing and fixing it.

Wings, Elevator and Rudder servos Assembly

Gluing the control horns into the control surfaces;
After the control horns are fixed, install the servos;
Install the elevator servo, rudder servo, wings servo, the rudder servo connected up with the provided push rods and ball links.

Power Systems Assembly

Taking the motor and attaching the back plate with the four screws. Take off the four bolts from the front of the fuselage and attach the motor with the three phase wires going downwards. Then install the aluminum alloy base → propeller → gasket → nut → fairing → two cross screws.

Guarantee

The KAVAN Europe s.r.o. products are covered by a guarantee which fulfils the currently valid legal requirements in your country. If you wish to make a claim under guarantee, please contact the retailer from whom you first purchased the equipment. The guarantee does not cover faults which were caused in the following ways: crashes, improper use, incorrect connection, reversed polarity, maintenance work car-ried out late, incorrectly or not at all, or by unauthorised personnel, use of other than genuine KAVAN Europe s.r.o. accessories, modifications or repairs which were not carried out by KAVAN Europe s.r.o. or an authorised KAVAN Europe s.r.o., accidental or deliberate damage, defects caused by normal wear and tear, operation outside the Specification, or in conjunction with equipment made by other manufacturers. Please be sure to read the appropriate information sheets in the product documentation!