Great Planes Yak-54 3D Indoor EP ARF - GPMA1131 - Manual (Page 3)

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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
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 Yak 54
3D Indoor EP ARF that may require planning or decision
making before starting to build. Order numbers are provided
in parentheses.
Radio Equipment
The Yak 54 3D Indoor EP ARF requires a minimum 4-channel
radio system with three micro servos having a rating of at
least 20 oz-in [1.5 kg-cm].
In addition, a micro receiver will also be needed. Two different
radio setups have been provided below. The lightweight
setup utilizes micro Futaba servo connectors. The versatile
setup utilizes standard Futaba servo connectors. The part
numbers are also provided below:
Lightweight Setup
o 3 Futaba ® S3114M Micro High Torque Servo w/
Micro Plug (FUTM0704)
o Futaba ® R616FFM FASST Micro Receiver
(FUTL7626)
OR
Versatile Setup
o 3 Futaba ® S3114 Micro High Torque Servo
(FUTM0414)
o Futaba ® R617FS 7-Channel 2.4GHz FASST
Receiver (FUTL7627)
Power System Recommendations
The recommended motor size for the Yak 54 is the RimFire
250 (28-23-1750) brushless out-runner motor. The RimFire
300 (28-22-1380) brushless motor would also be a good
choice, if you are planning to fly the Yak 54 outdoors.
o Great Planes Silver Series 8A Brushless ESC 5V/
BEC (GPMM1840)
o Great Planes RimFire 250 (28-23-1750) Brushless
Out-runner Motor (GPMG4502)
o Great Planes ElectriFly ™ LiPo 7.4V 300mAh 20C
Competition BP Series (GPMP0700)
OR
o Great Planes RimFire 300 (28-22-1380) Brushless
Out-runner Motor (GPMG4505)
o Great Planes ElectriFly ™ LiPo 11.1V 300mAh 20C
Competition BP Series (GPMP0701)
Charger
A LiPo compatable charger is required to charge LiPo
batteries. The Great Planes PolyCharge4
™ is designed for
LiPo packs only; however, it is able to charge four LiPo packs
simultaneously. The Great Planes Triton2
™ charger will only
charge one pack at a time, but is capable of charging NiCd,
NiMH, Pb acid, and LiPo batteries. Order numbers for both
are provided below:
o Great Planes PolyCharge4 ™ DC Only 4 Output LiPo
Charger (GPMM3015)
OR
o Great Planes ElectriFly Triton2 ™ DC Comp Peak
Charger (GPMM3153)
Throughout the life of a LiPo battery, the individual cells
located inside the battery may become unbalanced. These
unbalanced cells can shorten the life of the battery or cause
it to malfunction. For this reason, it is always recommended
that a cell balancer be used when charging LiPo batteries.
The Electrifly Equinox
™ is a cell balancer that may be used
with any LiPo charger and is capable of maintaining the cell
balance of the battery.
o Great Planes ElectriFly ™ Equinox LiPo Cell Balancer
1-5 (GPMM3160)