YA
K-
EPP
Instruction Manual
Features:
EPP-YAK
is
super
aerobatic
model
for 3D
from
EPP
"almost unbreakable"
material.
The
flying time
of
EPP-YAK
is
between
8 to
15
minutes,
it
depends
on the
flying
figures.
The
model
is
able
to
"torque
rolTand
then after
giving
more "gas"
to
rise
verticaly
up,
looping
in
"knife" flight
and all
aerobatic
fgures.
It
is
very
easy
to
land
with
the
model,
you
are
able
to do it
into your hand
if you
want like with
handlaunch
glider.
An R/C
aircraft
is
not a
toy!
If
misused,
it can
cause seriousbodily
harm
and
damage
to
property.
Fly
only
in
open areas,
preferably
AMA
(Academy
of
Model
Aeronautics)
approvedflying
sites,
following
all
instructions included
with
your radio.
Always
assume
caution.Before
beginning assembly
of
your EPP-YAK.
we
strongly suggest that
you
read through this instruction manual
so
you
canbecome
familiar
with
the
parts
and the
assembly
sequence.Assemble
the kit
according
to the
sequence provided
in
the
instruction manual.
Do not
attempt
to
modify
or
change
the kit
design
as
doing
so
could adversely change
the
models flying
Do
not
fly
under
the
conditions
below
Wind strong enough
to
make
the
trees
rustle
Close
to
high voltage electrical wires
High Population density areas
Cautions
forflying
Large gyms, front lawns
and
parks make excelle
flying areas. Make sure
you
have permission
to f
and
follow safety guidelines
set by
local
authoritie
The
calmer
the
wind,
the
better!
Note
for
Storage
Please
disconnect
the
lipo
packs when finished
I
flying
Do
not
press
or
crush
the
airplane
when
storing
The
best
way to
store
is to
hang
the
airplane
to
k<
the
control
surface rigid
Recommended
Flying
Setup
Max
servo travel
of
aileron:
30
degr
down(38mrn)
Max
servo travel
of
elevator:60 degr
down
(70mm]
Max
servo
travel
of
rudder:
65
degrees left
and 65
degrees
rig
hi
(96mm)
CG
Position:
80-95mm from
the
leading
edge
of
the
wing,.
6-As
the
picture
shown , insert
the
servo wire into
the
pre-
g
Use
lhe
same
method
to
install
the
right
ailero
14,
InstalllheZ-Bend,
tighten
the
screws
by
using
the
screwdriver.
-3-
31
.Glue
2pcs
of
1.3rnm*190mrn
carbon rods onto
the
back
of
the
horizontal
stabilizer
and the
both sides
of the
under
of
thefuselage.
To
avoid
the
twisting
of the
horizontal stabilizer.
28.Install
the
pushrod
connector onto
the
extensioi
-5-
„ . .
40.There
is a
receiver location
under
the
wing, connect
36.Install
the
motor
into
the
motor mount
,and
then
tighten
tne
servo
and
ESC
w|re ,o
the
receiver
Anc(
then
insert
them
by
using
4pcs
screws.
the
recejuer
into
tne
s,ot
37.Install
the ESC on the
right
of
the
fusi
then tighten them with
the
band.
41
.Fix
the
propeller with O-ring
.
A
perfect
YAK
3D-EPP
is
done
after your careful assembly.
While
assembly,
the
flying
weight
is
really
critical
to the
flight
performance
and
will
be
affected
by
adding weight,
so you
should reduce
any
unnecessary weight
while
assembly.
Then you'll
get
the
best flying performance.
-7-
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