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Note: We, as the kit manufacturer, provide you with a top
quality kit and great 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 directions to end
up with a well-built model that is straight and true.
If you're an inexperienced modeler, we recommend that you
get assistance from an experienced, knowledgeable
modeler to help you with assembly and your first flights.
You'll learn faster and avoid risking your model before you're
truly ready to solo. Your local hobby shop has information
about flying clubs in your area whose membership includes
qualified instructors.
You can also contact the national Academy of Model
Aeronautics (AMA), which has more than 2,500 chartered
clubs across the country. Through any one of them,
instructor training programs and insured newcomer training
are available. Contact the AMA at the address or toll-free
phone number below:
Academy of Model Aeronautics
Or via the Internet at: http://www.modelaircraft.org
Please inspect all parts carefully before starting to
build. If any parts are missing, broken or defective, or if
you have any questions about building or flying this
airplane, please give us a call at (217) 398-8970 or e-mail
us at productsupport@greatplanes.com and we'll be
glad to help. If you are calling for replacement parts,
please reference the part numbers and have them ready
when calling.
DECISIONS YOU MUST MAKE
This is a partial list of items required to finish the Sukhoi SU-
31 ARF that must be purchased separately. For some of
these items there is more than one option which will require
a bit of decision making ahead of time. Order numbers (in
parentheses) are provided for your convenience.
Radio Equipment
The Sukhoi SU-31 ARF requires a four channel radio. If you
have a computer radio with mixing capability, and would like
to use the "flaperon" mix for the ailerons, you will need a five
5151 East Memorial Drive
Muncie, IN 47302-9252
Tele. (800) 435-9262
Fax (765) 741-0057
(or more) channel radio. Four micro or mini servos are
required having a minimum of 15 oz-in torque.
The following are also required:
(2) 12" [305mm] Servo extensions (rudder, elevator)
(3) 6" [153mm] Servo extensions (ailerons, speed control)
(1) "Y" connector
(1) Screw-lock connector (GPMQ3870)
Suggested servos:
• (HCAM0090) Hobbico
• (HCAM0100) Hobbico CS-15, 15 oz-in torque
• (FUTM0037) Futaba
®
• (FUTM0025) Futaba S3107, 16.6 oz-in torque
• (HRCM0981) HiTec
®
Suggested receivers:
• (GPML0044) Great Planes 4-channel FM, low band
• (GPML0045) Great Planes 4-channel FM, high band
• (FUTL0442) Futaba 4-channel FM, low band
• (FUTL0443) Futaba 4-channel FM, high band
Low band - channels 11-35
High band - channels 36-60
Receiver crystal:
• (FUTL62**) for GPM low band
• (FUTL63**) for GPM high band
• (FUTL62**) for FUT low band
• (FUTL63**) for FUT high band
** desired channel
Speed Control
Select a speed control suitable for the motor you will use. On
the prototypes we used the Kontronik Smile 30-6-12
(KONM3000) with the Kontronik motor. With the Mega motor
we used a Hacker F25-3ph.
There are several motor/gearbox/prop/battery combinations
that give good performance with the Sukhoi SU-31 ARF.
Many modelers do not realize that each component in this
combination is important. You can have a good
motor/gearbox/prop combination, but without the proper
battery, performance could be disappointing.
The Sukhoi SU-31 ARF will fly well on a variety of motors,
but for the best performance you should use a brushless
motor. While more expensive than normal ferrite motors, the
power, efficiency and light weight of brushless motors are
well worth the cost.
The motor we used extensively in testing the Sukhoi SU-31
ARF is the Kontronik Fun 400-36 with 4.2:1 gear box
(KONG2440) with an APC 11x4.7SF prop.
3
®
CS-5, 16.7 oz-in torque
S3103, 16.6 oz-in torque
HS-55J, 15 oz-in torque
Motor
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