PCM ELVIRA Manuale utente
Elvira building instruction October 2011
Wing span [mm]: 4500
Aspect ratio: 20
Wing area [dm2]: 101,18
Wing loading: 52-83
Weight [g]: 5300-8400
Airfoil: VS1
BUILDING INSTRUCTION
ELVIRA
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Elvira building instruction October 2011
CONTENTS
DATA
1. Kit – Contents
2. What else do you need?
3. Electronical equipment
4. Settings for the first flight
ASSEMBLING THE MODEL
5. V-Tail
6. Fuselage
7. Installation of electronical components
8. Electric drive
9. Wing
VOR DEM FLUG
10. Ballast system
11. Fixing of the wing
12. Check list before starting
13. Attention, Elvira is sensitive to the sun
3
3
3
5
6
7
8
9
10
13
14
14
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Elvira building instruction October 2011
DATEN
1. Kit – Contents
Fuselage, in two parts
Wing, in three parts
V-Tail
Carbon-connector, 2 pieces
Steel-connector, short, 4 pieces
Steel-connector, long, on demand
Covers for servos in wing, 6 pieces
Covers for servos in V-tail, 2 pieces
radio board (for fuselage)
Cables + plugs
Lock for canopy
Levers for rudders, 6 pieces
Steel wire
Connectors for push rods, M2,5mm, 12 pieces
Welding rod, d=2mm
Screws, 2 pieces, for fixing the wing
Screws, 2 pieces, for fixing the v-tail
2. What else do you need:
On-off switch / socket for loading
Epoxy-glue (for example UHU 300 endfest or Stabilit, no
fast hardening epoxy resin)
Cotton flocks to thicken glue
3. Electronical equipment
Servos wing:
Futaba
S3150
Servos V-tail:
Hyperion DS09AMD
Graupner C261
Außerdem passen:
Hitec
HS55
HS56HB
HS65HB
Robbe
S3108
Graupner
C2081
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Elvira building instruction October 2011
Receiver: Every size will fit.
Accumulators: We recommend double power supply with 5 cells each.
f.e. Eneloop 2000
Suggestions for electric
drive: Version 1:
Kira 600-20 + gearbox 6,7:1
Controller: 60A
Propeller: 20/10
Accu: 2x 3S 4000 mA/h 45C (Planet Hobby, Modellbau Lindinger)
Package size: 2x 135/43/24mm or 1x 135/43/48mm
ETA: 92,1% at 5kg thrust
Version 2:
Hacker A40-10L-14p-V2
(outrunning brushless engine without gearbox, fits very tight, cables
must be lead outside, pay attention on cooling)
Controller: 70A
Propeller: 13/8
Accu: 2x 3S 4000 mA/h 45C (Planet Hobby, Modellbau Lindinger)
Package size: 2x 135/43/24mm or 1x 135/43/48mm
ETA: 89,1% at 5kg thrust
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Elvira building instruction October 2011
4. Settings for the first flight
Centre of gravity: 100mm
Difference in angle of attack: +1,92° (flaps 0)
(measure from the leading edge of the wing to the back)
Ailerons and flaps
Butterfly (landing position)
Flaps positive
Flaps negative
Elevator
Rudder
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Elvira building instruction October 2011
ASSEMBLING THE MODEL
5. V-tail
The v-tail is ready prepared with holes for screws to be
fixed on the fuselage.
Install the servos for controlling elevator and rudder in the
V-tail.
Glue the 2 parts of the connection plug into the
deepenings prepared in the V-tail and the fuselage.
For the connection to the control surfaces use the lever
enclosed and a steel wire.
Fix the covers of the servos with adhesive. You still have
to cut the cover where the lever of the servo pushes
through.
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Elvira building instruction October 2011
6. Fuselage
Front and rear part fit together very tight. So the important
parameters, such as the difference in angle of attack and
the alignment around the axis of the fuselage, are
automatically adjusted correctly.
Nevertheless, before you glue the 2 parts together, you can
check the alignment of the V-tail regarding the axis of the
fuselage, so that it is fixed symmetrically.
To do this, mount v-tail and wing on the fuselage. Look at
Elvira from the front and slowly lower the tail, until the ends
of the elevator disappear behind the wing.
If both ends of the elevator disappear at the same time, the
v-tail is aligned correctly.
(You see it here with the example of Erwin – 2 meter.)
Then glue the parts together. Use epoxy-glue and some
cotton flocks to thicken the glue. Before you do so, sand the
gluing spots thoroughly.
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Elvira building instruction October 2011
7. Installation of electronical components
Suggestion
If you want to install 2,4GHz, lead the antennas outside the
fuselage behind the canopy. You can lead them f.e. both
on one side …
.… or both on top of
the fuselage. Note
that the angle
between the
antennas should be
90°.
Always test the
reception on
ground before
you fly!
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Elvira building instruction October 2011
8. Electric drive
Suggestion
We have built a mounting for the accus using velcro
fasteners, so we can easily adjust to different sizes of
accus.
Here we installed 2x 3S 4000mA/h accus, better would be
1x 6S 4000mA/h.
We grinded a groove into the axis of the engine, so the
spinner does not spin.
When you install the engine bracket, pay attention to the
pull of the engine. Counteract by using these correction
angles:
2° down
1° to the right
You can add
deflection of
elevator depending
on the engine
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Elvira building instruction October 2011
9. Wing
The openings for the servos are big enough for all
appropriate standard servos including mounting frame,
such as Futaba S3150.
Lead the cable through the wing as shown below.
The connection to the levers on the rudder goes crosswise
through the wing.
Glue the installation frames of the servos into the
deepenings in the wing.
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