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Electric Motor Accessories

These are the items shown in the manual that were used
with the RimFire .80 [50-55-500kV] (GPMG4740).

❏

Great Planes Large Electric Motor Mount (GPMG1260)

❏

Silver Series 60A ESC (GPMM1850)

❏

Silver Series ESC Programming Card (GPMM1895)

❏

Suitable propeller such as 15x7E (APCQ1830)

❏

Velcro hook & loop adhesive strips (1"x6" [25x150mm]

GPMQ4480)

There may be many different battery and propeller
combinations available that will work well with the
recommended brushless RimFire motor for this model.
However, the following setup is one that has been tested with
the Great Planes Extra 300SP .46 ARF and has proven to
have the best overall performance.

❏

Two ElectriFly

™

3200mAh 11.1V LiPo battery packs

(GPMP0623) These batteries will be connected in series.
This is what is refered to as a “6S” confi guration, because
it is comprised of two 11.1V LiPo battery packs, each
consisting of three individual 3.7V LiPo cells connected
in series.

❏

Great Planes ElectriFly Series Deans

U 2 to 1 battery

adapter (GPMM3143)

IMPORTANT:

Before experimenting with different battery

combinations and connecting multiple battery packs with
adapter plugs, refer to the

Battery Precautions

on page 22.

If using LiPo batteries, a charger specially suited for charging
LiPo batteries is required. The Great Planes PolyCharge

™

(GPMM3015) is recommended for charging the batteries
recommended. The PolyCharge 4 will charge up to four
LiPo batteries simultaneously. If using the PolyCharge
4, a 12 volt source will also be required for powering the
charger. If you plan on charging four 3,200mAh batteries
simultaneously, a power source capable of delivering at
least 12.8A is required. A suitable 12V auto battery could
be used, or a portable source capable of converting 120V
AC to 12V DC such as the Rivergate 15A DC Bulldog Power
Supply (RHCP2015) is suitable. If charging only three 3,200
batteries simultaneously, the Hobbico

12 Volt Power Supply

(HCAP0250) is also suitable.

When charging LiPo batteries, it is recommended that you
use a balancer. A balancer will extend the life of the batteries
as well as reduce the risk of damaging the batteries during
charging. A suitable balancer for the Great Planes ElectriFly
Power Series

™

LiPo batteries is the Great Planes ElectriFly

Equinox

™

LiPo Cell Balancer (GPMM3160)

If not using a balancer, one charge adapter connector
per battery is also required. For the batteries and charger
recommended, the Great Planes Banana Plugs to Deans
Male Ultra Plug

battery charging connectors can be used

(GPMM3148).

Radio Equipment

The servo mounts for the Great Planes Extra 300SP .46
ARF have been sized from the factory to fi t mini size servos.
If you desire to use standard servos simply enlarge the servo
mounts to fi t. Provided below are two servo selection outlines.
The “Economy” setup is provided for the fl ier who enjoys
sport fl ying and is not concerned with a slight increase in
weight. The “Lightweight Precision” setup is provided for the
fl ier concerned with building the lightest, best performing
airplane possible.

MINIMUM SERVO TORQUE REQUIREMENTS

Elevator:

45 in-oz

Ailerons:

in-oz

Rudder:

70 in-oz

Throttle (Glow Setup Only):

20 in-oz

ECONOMY SETUP

Elevator:

One Standard, Ball Bearing Servo
Futaba