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Congratulations an your purchase of this excellent almost-ready-to-fly R/C
model! This ARF adopts the latest 3D design features and emphasizes high
performance, light weight and fun. The plane is designed by professional
engineers and built by skilled craftsmen. Many of the parts are already pre-
installed for you!
Caution: This R/C model is not a toy!
1. The RC aircraft is not a toy! If misused, it can cause serious bodily harm and damage to property.
Fly it only in an open area and follow all instructions including your Radio and Engine.
2. As this product was designed for high performance, incorrect installation may affect the flying
performance. Please ask for assistance from an experienced modeler if you don't understand the methods
3. Because the package contains many small parts, please keep children away from assembly area
while assembling the plane.
4. For safety reasons, please consider every possible accident when operating this model airplane and
follow your club/country rules.
5. This model was designed for 80-100CC gas engine, please use the recommended engine size.
6. Please read this manual carefully before assembly. Always refer to it during assembly and do not
deviate from the established construction methods.
• Fuselage and wing mounted C.F. strengthened tubes
• Air Foiled C.F. Landing Gear
• C.F. wing and stab tubes
• C.F.Tail Wheel Assembly
• Fiberglass material for horn bolts
• 4in(1 02mm) Anodized Aluminium Spiner ( included)
• Anodized lengthened aluminium long arms (included)
• Servo extension safety Connector Clips (Included)
• Rubber wheels
• Silicone washers for cowl and canopy hatch attachment
• Heavy Duty Hardware : ball link and Titanium pushrods
• Pre-hinged control surfaces Ready To Fly
• Pre-mounted Gasoline Tank Ready To Fly
• Pre- installed servo wire tubes
• Covered in Genuine Ultracote(Oracover made in Germany)
• Complete and Detailed Instruction Manual an CD
Wing Area:1760sq .in(113.5sq .dm .)
Flying Weight :21-241bs(9.6-11kg)(Including Da85)
Other Items Needed (not included in the kit)
• Servo Extensions
Motor 75 -
Additional Required Equipment
6-9 channel radio system
6-9 hi-torque servos
• 9X or JR 9X11
• PCM 10X
• PCM 12X
• Futaba 9CHPS
Additional Required tools and adhesives
• Adjustable wrench (small)
• 4-40 Tap
• Canopy scissors
• Drill (drill press preferred)
• Drill bit: lmm-6mm set
• Drum sander
• Cut off wheel
• Flat blade screwdriver w/short handle
• Foam: 6mm
• Hex wrench
• Epoxy brushes
• Felt-tipped pen or pencil
• Measuring device (e.g. ruler, tape measure)
• Mixing sticks for epoxy
• Paper towels
• Hobby knife
• Masking tape
• Philips screwdriver (small)
• Razor saw
• Tap handle
• Velcro straps
• Petroleum jelly
• Rubbing alcohol
• Sanding bar
• Sandpaper (coarse)
• Covering iron
• Dental floss or string
• 5-minute epoxy • Medium CA Glue
• 30-minute epoxy • Thread lock
Before starting Assembly
Before commencing assembly of the model, thoroughly inspect the fuselage, wing panels,
rudder, and stabilizer. If you find any part damaged or missing, please contact the local dealer.
If you find any wrinkles in the covering, please use a heat gun or covering iron to smooth them.
I. Aileron Servo Installation
• Secure an 18-inch servo
extension to the aileron servo.
Use a piece of string and a
weight to lead the extension
through the wing.
• Secure the servo firmly.
• Cut off the covering on the
• Put some epoxy glue on
the control horn.
• Insert the control horn
into the slot.
• There are two pieces of
epoxy plate per set.
• Use the radio to adjust the
servo centering and then mount
the arms parallel to the hinge
• Install the large servo arm.
• Install two ball ends with the linkage rod.Attach the ball end to the horn and arm with the
• Rotating the linkage rod to center the aileron and keep the servo arm parallel to the hinge line.
• Notice: You can using a inboard servo or two servos to control the aileron. 22kg/cm torque or
greater should be used on the aileron. When two servos are used, the length of these two control horn
must be same(measure from the axes of hinges),and the length of servo arms must be the same too.
• Install the elevator servo into the stablizer. Make sure to pull
the servo lead through the opening toward the leading edge before
installing the servo.
• Install the control horn by following the same method
• Install the large servo arm onto elevator servo. Use the radio system to center the servo
• Assembly the linkage system, Adjust the linkage rod to center the elevator and keep the
servo arm perpendicular to the linkage rod.
• Before start hinging, you need to prepare: Hinges,30-minute epoxy, Toothpicks.
• Apply epoxy into the leading edge hinge holes of the rudder.
• Apply epoxy an one side of the hinges.
• Insert them into the holes.
II. Elevator Servo Installation
III. Rudder and Rudder Servo Installation
• Cut off the covering on the slot.
• Put some epoxy glue on the center of control horn(dual).
• Push the control horn through the slot, Ensure the rudder is on the center of control horn.
• Apply epoxy into the hinge holes of the vertical stab.
• Apply epoxy to the other
side of the hinges. Install the
Tail Wheel Installation
• Center the tail wheel bracket on the mounting block.
• Mark the mountinglocations for the large seif-tapping screws.
• Drill three small pilot holes for the wood screws.
• Use three seif-tapping screws to secure the tail wheel bracket
• Install shaft bushing and M8 nut. Fix the collar onto the tail landing gear, slide the landing gear
through the shaft bushing. Install the steering post clamp, tighten the screw firmly.
• Install the rudder servo. Use
the radio system to center the
servo. And then install the
large arm onto the rudder
• Thread the cable connecter halfway into the ball end.
• Cut the cable into two equal pieces. Prepare one end of the
pull-pull cable by using the cable, threaded cable end and crimp.
The cable passec through the crimp, through the cable connecter
end, then back through the crimp the second time. Pull the excess
cable tight and use a crimping tool to complete the job.
• Attach the ball end to the horn with the setscrew.
• Pass the cable into the fuselage through the slot.
• Drill a hole for the ball end
and install it with glue.
• Let the control wire through
the holes of ball end and landing
• Tighten the screw to secure
the control wire. Install the
wheel with two wheel collars,
ensure that the wheel rolls
Rudder Servo Instllation
• Attach the ball end to the horn with the setscrew.
• Slide a crimp onto the cable, connect the cable and cable connecter like other end, but do not use
the crimping tool, let the crimp move freely.
• Repeat these steps to install the second rudder cable.
• Adjust the position of the connecter end an the cable.
• Use a crimping tool to fix the crimp and cable.
• Rotate the connecter to tension the cables, so that there is no free movement of the rudder.
IV. Landing Gear Installation
• Attach the axle for the main
landing gear firmly with the
• Install a wheel collar.
• Insert the wheel axle through the center hole of the wheel.
• Install outboard wheel collar.
• Fix the wheel pant with two screws.
• When the wheel and wheel pant are installed completely, you can adjust these two wheel collars to
let the wheel be in the center of the wheel pant.
• Tighten the wheel collars firmly and ensure that the wheel rolls freely.
• Use the bolts and nuts to mount the engine onto firewall.
Before you install the engine, you need to measure the length of
engine and cowling(Let the propeller drive washer come out l Omm
from the front of cowling),In order to decide how many washer
must be used .("thread lock"must be used.)
• Fix the ignition with nylon strips.
Insert the main landing gear into the slot, an the bottom of the fuselage.
• Fasten the landing gear with the screws. Consider using "thread lock" an the screws to keep them
from vibrating during flight.
V. Engine Installation
• There are two pieces of plywood templates supplied, one for 3W 85cc gasoline engine, the other
one for DA 85cc engine. Select the template for your engine, follow the holes to drill the mounting
holes. Note: the vertical centerline is offset to the right side of center as viewed from the front due to
the built-in right-thrust. These will be necessary no matter what engine you choose to install.
• You can follow the hole to cut the firewall, which is to allow a space for carburetor.
• Attach the fuel line from the fuel tank to the
carburetor.Make sure the line is from the clunk and not the vent
• Install the throttle servo and the linkage system.
• Make the necessary cutouts to clear the engine components in the cowling. Make a opening, which
is necessary to allow cooling air to pass through the cowling to prevent overheating of the engine.
• Fix the cowling by using the screws and rubber washers.
• Install a propeller and spinner.
• The propeller must be according to the suggestions from the
• The spinner is 4inch size. (included)
• If you using a canister or turned pipe, you need to install the fiberglass hatch.
• Cut out the covering, use the iron to fix the covering edges.
• Glue the plywood and the fiberglass hatch, finishing the fiberglass hatch.
• Secure a servo extension to the elevator servo lead. Use the
servo extension clamp to ensure the connecting of extension and
lead is safe.
• Pass the extension into the fuselage ,then slide the stabilizer
tube into fuselage and both stabilizer halves.
• Use two screws and rubber washers to secure the position of
• Use a hobby knife to remove the plywood and covering from the holes in the sides of the fuselage
for two switches.Mount the receiver and ignition switchs into these holes.
• Wrap the receiver battery and receiver in foam. Attach the receiver to the battery tray by using
velcro straps to secure it. Attach the battery onto the plate,which is behind the fuel tank.
VI. Stabilizer Installation
VII. Radio Installation
VIII. Canopy and Hatch Assembly
• Drill 1.2mm holes for the canopy screws. Use the seif-tapping screws to secure the canopy.
• Caution! CA will fog the canopy, so do not use CA to install canopy.
Adjust the aircraft and make sure
both of the sides are symmetric. Like the
Measure the CG from the leading
edge of wing root rib. Adjust the battery
pack location. The CG position should be
at 25-30% MAC (Mean Airfoil Chord).
This recommended balance point is for
your first flights. The CG can be adjusted
around later to fit your personal flying
CG Location: 159mm, 6-1/4inch
IX. Wing Assembly
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• Use the wing tube and nylon screws to attach the wing halves to the fuselage.Attach the aileron
servo leads to the receiver.
• Install the hatch onto the fuselage by using the screws.
• Check every angle and adjust them to correct position.
• Check all parts and make sure the installation is firm and reliable.
• Add some weight on one of the wingtip to balance the wing if necessary.
Power on to trim your plane
1. Do a "Range check" the radio (test whether the Engine is running or not).
2. Ensure that the servos and control surfaces move smoothly and are in the correct
3. Adjust the servo throw. The Chart below is the recommended throws for the first
flight. You can adjust the servo arm and control horn length later to fit your flying style.
Control Throws :
Surface Throws Exp
Aileron 20 degrees 25%
Elevator 20 degrees 25%
Rudder 30 degrees 30%
Aileron 40 degrees 45%
Elevator 40 degrees 45%
Rudder 45 degrees 45%
est the engine to check its stability at high speed and low speed to
ensure there are no problems with vibration on the model. Time
spent setting up the engine properly will pay off in the air. Once
everything is right... ...
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