Albatros
DVa
54”
Page
8
Copyright©
2005
Kurt
Bengtson
All
Rights
Reserved
Rev
10/05
Finished
Model
by
Dave
Ottney
Let
the
model
gain
altitude
slowly
off
the
runway.
Applying
too
much
up
elevator
at
slow
speeds
risks
a
stall.
Make
your
turns
gently
as
tight
turns
risk
tip
stalling
in
any
model.
Don’t
expect
the
elevator
to
make
the
model
climb.
Think
of
the
elevator
as
a
device
to
change
the
attitude
of
the
model.
The
wing
and
airspeed
ultimately
make
the
model
climb.
Often
down
elevator
applied
at
stalling
can
avoid
a
major
crash.
The
most
important
details
for
proper
flight
operations
are:
1)
CG
location.
Tail
heavy
models
never
fly
well
or
at
all.
2)
Down
and
right
thrust
3)
Straight
and
non
warped
wings.
Here
are
some
excerpts
of
Dave
ʹ
s
maiden
flights
.
“Throttling
up
it
lifted
off
in
about
10
ʹ
!!
I
couldn
ʹ
t
believe
it
just
kind
of
lifted
off,
nothing
radical
it
was
just
airborne
all
of
a
sudden
kind
of
level
and
climbing
at
a
shallow
rate.
I
powered
up
to
full
throttle
and
flew
straight
out.
It
needed
a
bit
of
aileron
trim
and
some
down
trim
to
get
it
to
fly
absolutely
level.
Speeds
were
scale
like
at
1/2
‐
2/3
throttle
with
only
a
bit
more
speed
when
it
was
fire
walled.
I
think
it’s
just
a
draggy
design
so
it’s
not
going
to
be
a
speedster.
The
full
throttle
performance
just
gives
it
ʺ
umph
ʺ
when
needed.
I
found
aileron
turns
to
have
some
adverse
yaw
in
that
the
tail
dropped
a
bit
and
you
have
to
kind
slog
it
through
the
turn.
I
was
fortunate
in
that
Gary
Allen,
a
pretty
renowned
scale
modeller
who
belongs
to
our
club,
standing
near
by
giving
me
some
tips
on
how
to
deal
with
the
adverse
yaw.
I
had
pre
‐
programmed
some
rudder/aileron
mix
in
on
the
radio
but
the
setting
wasn
ʹ
t
right
so
I
turned
that
off
and
did
coordinated
turns
manually.
I
did
find
that
I
had
to
give
it
a
bit
of
throttle
through
the
turns
and
then
would
throttle
back
for
straight
flight.
During
a
couple
of
circuits
I
found
that
pure
rudder
turns
with
the
appropriate
elevator
input
made
for
very
smooth
turns.
I
took
it
up
higher
and
throttled
back
applying
full
up
to
see
what
the
stall
would
be.
One
shutter
and
it
“mushed”
straight
forward
regaining
speed
and
lift.
I
kind
of
figured
it
would
be
like
that,
so
landings
would
be
simple
as
it
turns
into
a
real
floater
when
slowed
down.
As
with
the
other
planes
I
ʹ
ve
done
for
Kurt,
this
one
is
a
real
nice
flier.
I
didn
ʹ
t
attempt
any
scale
aerobatics
but
I
ʹ
m
sure
it
will
be
capable
of
loops,
very
ʺ
barrelly
ʺ
rolls
and
nice
stall
turns.
Again
its
slow
speed
characteristics
relieve
the
fear
of
coming
close
to
the
ground.
I
also
think
that
if
you
wanted
to
try
something
like
a
Magnetic
Mayhem
or
Endoplasma
geared
like
in
the
E3D,
it
would
work
well
with
this
plane.
I
ʹ
ve
flown
these
systems
also
and
I
think
this
plane
would
be
fine
with
them
‐
nice
economical
alternative.
“
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