BME Aircraft Edge 540 Manuale utente
BME Aircraft
30% Edge 540 Instruction Manual
Congratulations, and thank you for choosing BME Aircraft ARFs.
Before you start your assembling, we’d like you to pay attention to this
step by step instruction manual, to ensure best performance.
I. Before assembling
1. Parts check list ---
When you open your boxes of
30% Edge 540, check all the
parts. They should include the
followings:
1x fuselage 1x front hatch
1x clear canopy 1x vertical fin
1x rudder 1x cowl
2x wheel pant
2x main wing (left, right)
2x aileron (left, right)
2x stabilizer (left, right)
2x elevator (left, right)
1x landing gear
2xmainwheel 1x tail wheel assembling
2x wing tube (large, small) 1x hardware pack
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2. Iron all covered area
Before you start your assembling. Iron all film covered area to ensure
all color trim stick on firmly.
3. Cut out all covered holes
Cut out all film covered holes for servos, hinges, wing tubes etc.
II. Start assembling
A. Fuselage
1. Wing tube hold (optional)
a. Cut a piece of 1/4” x 1/2” spruce with the same length as wing
tube socket inside the
fuse. Glue it on top of the
tube socket with 5min.
epoxy. Measure and mark
the center of the socket.
b. Measure and mark the
center of the wing tube,
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then draw a line around the tube. Insert the tube into the socket
in the fuse and align the center line of both tube and socket.
c. Drill and tap (6-32 rec.) the
center through the spruce and tube.
Use washer and spring washer on
the bolt to secure the tube in place.
2. Vertical Fin
a. Put vertical fin into the fin slot and draw a line around the fin
along the fuse.
b. Remove the fin from the slot, then cut out the covering film 1/8”
away along the line.
c. Glue vertical fin onto the slot with 15 min. epoxy.
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3. Rudder installation
Install the control horn you choose to use on the hard point on the
rudder. And glue the hinges (included) in place using 30min epoxy.
Then glue all hinges into vertical fin with 30 min. epoxy.
4. Install tail wheel assembly
Install tail wheel assembly as pictures shown below.
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5. Canopy and front hatch
a. Place canopy on top of the front hatch, make sure it’s centered and
symmetrical on both side. Then draw a line along the edge of the
canopy.
b. Drill 3-4 holes on both side of canopy frame. Chose the same size
drill bit as the wood screw you plan to use.
c. Put the canopy back on the hatch, align the edge with the line you’d
drown. Then screw on the canopy. Make sure that the canopy has a
tight fit to the front hatch.
d. Take out the canopy from the hatch, apply a thick layer of plastic
glue along the frame area. Then put it back on top of the hatch and
fasten it with original screws. Please install your pilot and
instrument panel before you glue the canopy back on.
e. Use two of 1 inch 4-40 screws with washers and spring washers to
hold the hatch in place.
6. Install cowling
a. Before you install the cowl, you have to install your engine first.
Depending on the engine’s dimension, you want to off set the center
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line according to the length from prop hub to the mounting plate, so
that you can have a proper right thrust ( 3degree rec.) angle. The
thrust line is located 2 3/4” from the bottom of the engine mounting
box.
b. After your engine has been install properly, prepare 6 strips of card
paper about 1 inch width and 5 inches long. drill a 4-40 hole on one
end. Then align the hole with the cowl holding tabs and tape it firmly.
c. Prepare your cowl. Then cut a 3 1/2” donut from a 1/8” balsa, CA
glue it on the back of spinner plate.
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d. Place the spinner back plate into the shaft of the engine, CA glue the
balsa onto the cowl and align the circle.
e. Tighten a prop in front of the spinner plate, and align the cowl curve
with the fuselage. Then mark the hole through the paper card strips.
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d. Drill holes for 4-40 size screws according to the marks, secure the
cowl with the screws provided. Cut off balsa donut in between
spinner plate and cowl.
B. Wings and Stabilizer
1. Place the fuselage inverted on a
flat surface , then plug-in wings
into the tube on both side. Make
sure the wing root attach to the
fuse side evenly.
2.Then drill a hole through the
hole on the dowel which is
pre-drilled on the wing bottom,
using no bigger than 6-32 drill
bit. Make sure that you only
drill through one side of the
tube.
3. Use a 6-32 tapping bit to tap
through the wing tube. Then
fasten the tube with a 6-32 bolt
provided.
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4.Repeat the above step to complete the stabs.
5. Install control horns to the hard point on ailerons and elevators.
Make sure that the push rods should be square to the hinge line
when linked with servo arms.
6. Once the control horns are installed, next step is to hinge all
control surfaces.
a. Put one drop of 2 stroke engine oil
on the hinge axle, repeat this to all the
hinges you plan to use.
b. Try fitting the hinges into all control
surfaces and wings.
Mix enough 30 min. epoxy, stuff epoxy
into the pre-drilled hinge holes, one
control surface at a time.
Epoxy one side of the hinges and insert
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them into the holes. Do the same to the
other side of the hinges and wings and
complete installation of all hinges.
C. Landing Gear and Wheel pants
1. Fasten wheel axles (provided) to the
landing gear. Then secure wheel on
the axle using two collars, one on
each side of the wheel.
2. Drill a 1/2” hole at the mark spot on the wheel pant and cut it open
to the downside of wheel pant with a width of the axle’s diameter.
Make sure that you make one for right side and one for left.
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