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Composite-ARF Extra 330L (2 x 2m)
glassfibre joining tape in the centre of the fuselage.
Immediately after flight the Hacker motor and batteries
are only warm to the touch, and the heat sink on top of
the speed controller can also be touched without burning
your fingers.
If using the Plettenberg Xtra 25-13 motor and LongGo
flight packs, you can use the Emcotec DPSI LR voltage
regulator (see photo) to supply regulated current to your
receiver, instead of a separate battery, and it also incor-
porates a failsafe electronic switch. Available as an
option from C-ARF.
Battery Handling:
As battery technology advances at a rapid rate, the use
of LiPo flight and receiver batteries is becoming quite
common, but (like with all batteries) there are still dan-
gers and it is most important that you exactly follow the
battery manufacturers advice on storage and charging,
and use the charger and charging rates that they recom-
mend. Do NOT leave your LiPo batteries un-attended
during charging.
Important: When installing the battery(ies) in the model
before a flight, make sure that no connectors can touch
each other and cause a short circuit. To be safe apply a
bit of masking tape to all connections while installing
them in the plane, and glue a short length of clear silicone
or plastic tube over each male and female connector (see
photo) to make sure they cannot accidentally touch in
flight.
So that you can make the final connection between your
batteries and the motor just before your flight, after you
have switched on your R/C system, we use a pair of the
standard 4mm gold connector pins glued into the outside
of the airframe and use a very short thick cable with
opposing connectors to 'arm' the system without having
to remove the canopy or cowling (see photos).
Please note:
The Electric-Flight scene, and it's technology, are advancing so rapidy that new Motors,
Speed Controllers and Batteries become available all the time. At the time this manual
was written the Hacker C50, Plettenberg 25-13 and other components mentioned here
were top-of-the-line products suited to this aircraft. However we already know, for
example, that Plettenberg will shortly release a slightly larger motor than the Xtra 25-13,
which should be even more suitable for this airframe. So don't be surprised when
some of these parts are already outdated by the time you receive you Extra 2 x 2 !
techsupport@composite-arf.com
Emcotec DPSI LR voltage regulator
30
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