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Decisions you must make, Motor system speed control radio equipment – Great Planes RV-4 Park Flyer Kit - GPMA0010 User Manual

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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
connectors often and replace them if they show any signs
of wear or fatigue.

7. If you are not already an experienced R/C pilot, you
should fly the model only with the help of a competent,
experienced R/C pilot.

Remember: Take your time and follow directions to end
up with a well-built model that is straight and true.

Before starting to build, compare the parts in this kit with the
Parts List, and note any missing parts. Also inspect all parts
to make sure they are of acceptable quality. If any parts are
missing, broken or defective, or if you have any questions
about building or flying this airplane, please contact Great
Planes at the address or telephone number below. If
requesting replacement parts, please provide the full kit
name, RV-4 Park Flyer, and the part numbers as listed in
the Parts List.

Great Planes Product Support:

3002 N Apollo Drive Suite 1

Champaign, IL 61822

Telephone: (217) 398-8970

Fax: (217) 398-7721

E-mail:

[email protected]

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.
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.

In addition to joining an R/C club, we strongly recommend
you join the AMA (Academy of Model Aeronautics). AMA
membership is required to fly at AMA sanctioned clubs. There
are over 2,500 AMA chartered clubs across the country.
Among other benefits, the AMA provides insurance to its
members who fly at sanctioned sites and events. Additionally,
training programs and instructors are available at AMA club

sites to help you get started the right way. Contact the AMA
at the address or toll-free phone number below:

This is a list of items required to finish the RV-4 Park Flyer
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.

For specific performance package options, see
“Performance Options” later in this discussion.

The RV-4 Park Flyer requires a four-channel radio system
with a micro receiver and three micro servos. Futaba

®

S3103

or S3107 (FUTM0037, FUTM0025) or Hobbico

®

CS-5

(HCAM0090) micro servos are suitable.

An electronic speed control with BEC (Battery Eliminator
Circuitry) is required. The BEC allows both the motor and
the radio system to be powered by the same battery (thus
eliminating an additional battery typically required to power
the radio). Depending on the motor selected, the Great
Planes ElectriFly

C-10 or C-20 High Frequency Electronic

Speed Control (GPMM2010 or GPMM2020) are recommended
for the RV-4 Park Flyer.

There are several motor/gearbox/prop/battery combinations
that give good performance with the RV-4 Park Flyer. 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.

Standard, lower power 280 size motors, such as the Great
Planes ElectriFly T-280, are not recommended for the RV-4
Park Flyer.

Motor System

Speed Control

Radio Equipment

DECISIONS YOU MUST MAKE

Academy of Model Aeronautics

5151 East Memorial Drive

Muncie, IN 47302

Tele: (800) 435-9262

Fax (765) 741-0057

Or via the Internet at:

http://www.modelaircraft.org

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.

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