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Inner Aileron
Flap
In this mode the flaps may be set to move both up and down, about half the travel of the
ailerons.
Landing Setting
Flaps
Inner Aileron
Elevator
Your ALPINA 5001 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
5001 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 5001 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
-
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.
Graupner GmbH & Co. KG, Henriettenstraße 94-96, 73230 Kirchheim
40
5
2
2
Up
Down
max
20
5,5
to
neutral
www.graupner.de
*
www.tangent-modelltechnik.com
Reflex
Remarks
Butterfly
Butterfly
Reach
and
observe
the
flight
path:
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