Great Planes SU-31 Sukhoi EP 3D ARF - GPMA1547 - Manual (Page 3)

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3. You must take time to build straight, true and strong.
4. You must use an R/C radio system that is in first-class
condition, and a correctly sized motor and components
throughout the building process.
5. You must correctly install all R/C and other components
so that the model operates correctly on the ground and in
the air.
6. You must check the operation of the model before every
flight to insure that all equipment is operating and that the
model has remained structurally sound. Be sure to check
clevises or other connectors often and replace them if they
show any signs of wear or fatigue.
7. If you are not an experienced pilot or have not flown
this type of model before, we recommend that you get the
assistance of an experienced pilot in your R/C club for
your first flights. If you’re not a member of a club, your local
hobby shop has information about clubs in your area whose
membership includes experienced pilots.
8. While this kit has been flight tested to exceed normal use,
if the plane will be used for extremely high stress flying, such
as racing, or if a motor larger than one in the recommended
range is used, the modeler is responsible for taking steps to
reinforce the high stress points and/or substituting hardware
more suitable for the increased stress.
We, as the kit manufacturer, provide you with a top quality,
thoroughly tested kit and instructions, but ultimately the
quality and flyability of your finished model depends
on how you build it; therefore, we cannot in any way
guarantee the performance of your completed model,
and no representations are expressed or implied as to the
performance or safety of your completed model.
Remember: Take your time and follow the instructions to
end up with a well-built model that is straight and true.
dECISIONS YOU MUST MAkE
This is a partial list of items required to finish the Sukhoi
SU-31 EP ARF that may require planning or decision
making before starting to build. Order numbers are provided
in parentheses.
Radio Equipment
A 4-channel radio system with four micro servos and a small
receiver are required for this plane. The servos and receiver
shown in the manual are Futaba S3114 micro servos and
the Futaba
® R617FS receiver. If you are planning on doing
extreme, high stress 3D flying, it is recommended that you
use the Futaba S3154 micro servos instead of the Futaba
S3114 servos. If using any of the S3154 servos it is also
recommended that you use an external BEC or separate
receiver battery. Two 6" [150mm] servo extensions and two
12" [305mm] servo extensions are also required. Order
numbers for these items are provided below.
o (4) Futaba ® S3114 Micro High Torque Servo
7.7g (FUTM0414)
– OR –
o (4) Futaba S3154 Digital Micro High Torque
High Speed Servo (FUTM0654)
– PLUS –
o Futaba R617FS 2.4 GHz Receiver (FUTL7627)
o (2) Futaba C-25 Extension Slim Wire 150mm (FUTM4506)
o (2) Futaba C-26 12" [300mm] Slim Servo Extension
Futaba J (FUTM4507)
o Futaba 6" Dual Servo Extension J (FUTM4130)
Motor Recommendation
The recommended motor for the Sukhoi SU-31 EP ARF is
the Great Planes RimFire
™ .10 (35-30-1250) brushless out-
runner motor (GPMG4595)
Note: Motors from other manufacturers may work with the
Sukhoi SU-31 EP ARF; however the included motor mounting
components are designed to work specifically with the Great
Planes motor listed.
Propeller
The recommended propeller for the Sukhoi SU-31 EP ARF
when using the Great Planes RimFire .10 (35-30-1250)
motor is the APC 10 x 7" E Propeller (APCQ4123)
Electronic Speed Control (ESC)
A brushless ESC is required for this plane. We recommend
using the Great Planes Silver Series 35A Brushless ESC
5V/2A BEC (GPMM1830).
Battery Pack
The Sukhoi SU-31 EP ARF has been tested with 11.1V LiPo
packs ranging from 1250mAh to 2100mAh. Order numbers
are provided for packs of this size. The more powerful
2100mAh pack is suggested for maximum performance.
o Great Planes LiPo 1250mAh 11.1V 20C Discharge
w/Balance (GPMP0609)
o Great Planes LiPo 1500mAh 11.1V 20C Discharge
w/Balance (GPMP0613)
o Great Planes LiPo 2100mAh 11.1V 20C Discharge
w/Balance (GPMP0617)