PCM ELVIRA User manual

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
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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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Elvira building instruction October 2011
Cut slits in wing and control surface of the middle part of
the wing.
Before you glue the levers into flaps and ailerons, grind the
gluing spots on the control surfaces and on the levers.
For gluing the lever use epoxy-glue with cotton flocks.
When fitting the lever in the correct position, notice that the
hole in the lever should be situated vertically above the
hinge line.
To connect the servos to the levers use two connectors
M2,5mm. In between, use a welding rod (diameter 2mm),
which you solder inside the both connectors.
To find the right length of the welding rod put all servos in 0-
position. If the length isn’t exact after soldering, you can
heat the soldered point with the soldering iron until the the
wire can be moved to the correct position.
There are several recesses for the plugs for easy
electrical connection between the different parts.
Outer wing –
middle wing part
middle wing part
- fuselage
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Elvira building instruction October 2011
Fix the covers of the servos with a double-sided adhesive.
In order to move the triangular ends of the ailerons, you
can bend a piece of steel wire (0,8mm or thinner) and glue
it into the end of the aileron as shown. Let the wire jut out
about 6mm.
You can also fix a piece of steel wire to the trailing end of
both control surfaces with adhesive tape. Let the wire be
movable inside the tape on one control surface.
If you want an easier solution, connect the two control
surfaces with an adhesive tape.
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Elvira building instruction October 2011
BEFORE THE FIRST FLIGHT
10. Ballast system
You can easily change the weight by varying between the different connectors.
You should always use two connectors on each side when flying Elvira.
If the glider accelerates too slowly, don’t hesitate to add further weight. Elvira can do well with
more weight, in the air as well as when landing.
(Pictures taken from Erwin XL)
1x carbon short, 1x steel short, 900g
1x steel short, 1x steel long, 2250g
(Steel long is not included in standard kit. Order an
additional steel bar if you need it.)
2x steel long, 3000g
(Steel long is not included in standard kit. Order an
additional steel bar if you need it.)
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Elvira building instruction October 2011
11. Fixing of the wing
When attaching the wings, put the longer end of the
connector into the middle wing part.
Close the gap between the wing parts with adhesive tape.
By this way, the wing parts are fixed to each other.
12. Check list before starting:
1. Check centre of gravity (the angle of attack is pre-set)
2. Check rudders:
Do rudders move in the correct direction?
Check the greatest swings of the rudders
All control surfaces are continuously connected to
the wing along the hinge line.
3. Check reception
2,4 Ghz: depending on radio controller (f.e. reduce
transmission power)
13. Attention, ErwinXL is sensitive to heat!
Pay attention, that Elvira does not heat up! That means,
- don’t let the model lie in the car, when the sun is
heating up the car.
- don’t let the model lie in the sun too long. Protect wing
and elevator with bags, if you don’t fly.
- Avoid all other possibilities to heat up Elvira.
The model is heated up to 50° during production, but in the
sun the model can easily reach higher temperatures. During
flight the model is sufficiently cooled by the airstream.
This sensitiveness is high shortly after production /
purchase and will get less gradually.
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