Additional Items Required - GREAT PLANES SYNCRO Instruction Manual

ADDITIONAL ITEMS REQUIRED

Adhesives
There are a couple of adhesives recommended for gluing
the special type of foam from which the Syncro is made:
One kind is either foam-safe or regular CA (cyanoacrylate
or "super glue"). CA is best for modelers that already have
experience with it because CA requires special handling. CA
must be used with adequate ventilation and it can harden
quickly, possibly causing some modelers to glue their fingers
to the parts or to each other. Another kind is "canopy glue,"
a craft glue specially formulated for plastics. Canopy glue is
recommended for most builders because it is water soluble,
easy to clean up, emits no fumes and is easier to work with
because it takes longer to dry:
CANOPY GLUES
❏
Zap Adhesives Ric 560 (PAAR3300), OR
❏
J&Z R/C-56 (JOZR5007)
If using canopy, glue Great Planes epoxy brushes (6)
(GPMR8060) are also recommended for spreading the glue.
CA AND ACCESSORIES
❏
1 oz. [30g] Medium Pro
❏
2 oz. [57g] spray CA activator (GPMR6035)
❏
CA applicator tips (HCAR3780)
❏
CA debonder (GPMR6039)
Motor and ESC
The motor and ESC (electronic speed control) recommended
for the Syncro are these:
❏
Great Planes 24-33-4040 Ammo Inrunner Brushless
Motor (GPMG5165)
❏
Great Planes Silver Series SS-25 25A Brushless ESC
(GPMM1820)
Note: The recommended 24-33-4040kV Ammo motor is
rated for 18 Amps constant current and 28 Amps surge
current. This means the motor can be run indefinitely as long
as it is not drawing more than 18 Amps, but can be run for no
longer than 30 seconds if drawing the maximum of 28 Amps
before you have to back off the throttle and allow the motor to
sufficiently cool. The closer to 18 Amps the motor operates
the longer it can be run until it gets too hot. And the closer to
28 Amps the motor operates the shorter it may be run until it
gets too hot (again, before reducing the throttle allowing the
motor to cool). The motor must never be operated over 28
Amps. The ElectriFly batteries recommended in this manual
will allow the motor to operate within the specified range:
With the 1800mAh 11.1V (3S) 25C battery, the motor will
draw about 21 Amps on the ground (static) at full-throttle.
Although this is slightly over the constant current limit (of
18 Amps), it will drop to or below this limit when the plane
is in the air, so the Syncro may be flown full-throttle for as
™
CA+ (GPMR6008)
long as you desire. And the same applies to the 2200mAh
"T-Rex" battery. With this battery the motor draws slightly
more current @ 22 Amps, but will still fall to or below the
maximum rated constant current when in the air. However,
the motor should not be run on the ground with either battery
at full power for more than 30 seconds. Otherwise, the motor
may overheat causing damage.
If using batteries other than the ones recommended, keep
in mind that batteries with higher capacity (mAh) and/or "C"
rating could cause the motor to operate over its maximum
current limit. The recommended 2200mAh 25C battery, is
capable of providing 55 Amps (2.2 Amps x 25 C = 55A). So, if
you were to switch to, say a larger, 2500mAh 25 C battery it
will be capable of 62.5 Amps. This may be okay as long as the
motor does not draw more than 28 Amps, but then the Syncro
should probably not be flown full throttle for extended periods
without lowering the throttle allowing the motor to cool.
If experimenting with batteries different than the ones
recommended, the best way to know if you are operating
the motor within its limits is to connect a Watt meter
(REPL0100) in-line between the ESC and the battery.
This will tell you how much current the motor is drawing
with the battery you are using.
There are a couple of batteries recommended for the Syncro.
The ElectriFly 1800mAh 11.1V 25C LiPo (lithium-polymer)
battery (GPMP0515) is smaller, lighter weight and less
expensive, while the ElectriFly 2200mAh 11.1V 25C "T-Rex"
LiPo (GPMG0520) is slightly larger for slightly longer flight time.
Radio Control System
The Syncro requires a 4-channel radio control system with
Futaba S3107 micro servos (or similar). For beginners who
may not already have a suitable radio control system, the
Futaba 6EX 6-channel radio is recommended (FUTK6900).
It features the latest 2.4GHz technology for reliability and
eliminates the need for frequency sharing with other pilots
who may be flying at the same time.
The 6EX does not come with servos, so six servos will also
be required (two for each wing and two for the elevator and
rudder controls in the fuselage). Futaba S3107 micro servos
(FUTM0025) are recommended and illustrated in the manual,
but any servo that is the same size (7/8" x 7/16" x 13/16"
[22mm x 11mm x 20mm]) and torque rating could also be
used. ElectriFly ES-50 Nano servos (GPMM1210) are also
suitable.
A 6" [152mm] servo extension wire (HCAM2000 for Futaba)
will also be required.
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Batteries