Piper CHEROKEE D - Page 14

SECTION
II
CHEROKEE
"D"
the
rear
spar
and
at
an
auxiliary
front
spar.
The
wing
airfoil
section
is
a laminar flow
type,
NACA65
2
-
415
with
the
maximum
thickness
about
40%
aft
of
the
leading
edge.
This
permits
the
main
spar
carry-through
structure
to
be
located
under
the
rear
seat
providing
unobstructed
cabin
floor
space
ahead
of
the
rear
·seat.
LANDING
GEAR
The
three
landing
gears
use
a
Cleveland
6.00
x 6
wheel,
the
main
wheels
being
provided
with
Cleveland
single
disc
hydraulic
brake
assemblies,
No.
30-55.
All
wheels
use
6.00
x 6 four ply
tires
with
tubes.
The
nose
gear
is
steerable
through a 44
degree
arc
by
use
of
the
rudder
pedals.
A
spring
device
is
incorporated
in
the
rudder
pedal
torque
tube
assembly
to
aid
in
rudder
centering
and
to
provide
rudder
trim.
The
nose
gear
steering
mechanism
also
in-
corporates
a
hydraulic
shimmy
dampener.
The
three
struts
are
of
the
air-oil
type,
with
the
normal
extension
being
3.25
inches
for
the
nose
gear
and
4.50
inches
for
the
main
gear.
The
standard
brake
system
for
the
Cherokee
consists
of a
hand
lever
and
master
cylinder
which
is
located
below
and
behind
the
left
center
of
the
instrument
sub-panel.
The
brake
••
uid
reservoir
is
installed
on
the
top
left
front
face
of
the
firewall.
The
parking
brake
is
incorporated
in
the
master
cylinder
and
is
actuated
by
pulling
back
on
the
brake
lever,
depressing
the
knob
attached
to
the
handle
and
releasing
the
brake
lever.
To
release
the
parking
brake,
pull
back
on
the
lever
to
disengage
the
catch
mechanism and
allow
the
handle
to
swing
forward.
Optional
toe
brakes
are
available
to
supplement
the
standard
hand
lever
and
parking
brake
system.
6
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