Graupner
GmbH & Co. KG * Henriettenstraße 94-96 * D - 73230 Kirchheim/Teck
*
www.graupner.de
Stand: 2010
27
Normal Flight
Up
Down
Left/Right
Rudder
45
Elevator
10
10
Ailerons
22
12
Flaps
The flaps may be set to move about half the travel
of the ailerons for full control of the trailing edge.
Thermal Flight
Up
Down
Remarks
Ailerons
15
8
Aileron
2
Camber
Flap
2
Camber
The flaps should not be set to move with the ailerons,
but some model pilots prefer to mix the flaps with
elevator (Snap-Flap) in this mode.
Speed Flight
Up
Down
Remarks
Aileron
20
10
Aileron
(Reflex)
1
Reflex
Flap
(Reflex)
2
Reflex
In this mode the flaps may be set to move both up
and down, about half the travel of the ailerons.
Landing Setting
Up
Down
Remarks
Flaps
25
Butterfly
Aileron
20
Butterfly
Elevator
1,5
Reach
Your ALPINA 4001 Elektro is now ready for the
first test flight.
First Flights.
Experienced model flyers will now be waiting for
the first opportunity to test fly the ALPINA 4001
Elektro and fine-tune the setup to best suit their
individual style of flying. The following advice is
intended to help those with less experience to carry
out the test flight and successfully trim the model:
Every flying machine, from the most humble
chuck glider to the full size aircraft, must be test
flown and trimmed after completion and your
ALPINA 4001 Elelktro is no exception. The
slightest deviation in manufacture or construction
can lead to minor variations in flying
characteristics and control responses. Test flying is
the means to optimise the centre of gravity and
generally fine-tuning the control response.
Avoid repeated low altitude hand launches on a
flat site as this is the most likely opportunity for
damage to occur as there is little time to made
adequate corrections when the model is flying
close to the ground.
Ensure that both transmitter and receiver batteries
are fully charged and carry out a thorough range
test in accordance with the instructions supplied
with your radio control equipment. Do not fly the
model if you are in any doubt about the integrity of
the radio control system – seek further assistance.
Faults do not cure themselves
!
Test flights can be carried out in several ways
depending on the version of the model you have
chosen; at a slope site from a hand launch, at a
flat-field site using a winch, or from an aero-tow.
In all cases always launch the model into wind
with the wings level and adjust the trims as
necessary to achieve straight and level flight.
Check the centre of gravity once the model is
flying at a safe height and comfortably above the
stall speed. Apply down elevator to place the
model in a steep dive and then allow the elevator
to return to neutral and observe the flight path:
-
If it recovers in a gentle upward arc,
without any further control inputs and
without ballooning up above the
horizontal, then the CoG can be
considered to be about right.
-
If the model bounces quickly out of the
dive and climbs strongly, the CoG is too
far forward. Readjust the battery
position, or remove a little lead from the
nose and repeat the test.
-
If however the model shows no tendency
to recover, or indeed if it shows signs of
tucking under, the CoG is too far back.
Readjust the battery position, or add a
Содержание alpina 400i elektro 61797
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