Textron Cessna 172R - Airframe; Introduction

MODEL
172R
SECTION
7
AIRPLANE
&
SYSTEMS DESCRIPTION
INTRODUCTION
This
section
provides
description
and
operation
of
the
airplane
and
its
systems.
Some
equipment
described herein
is
optional
and
1
.
may
not
be
installed
in
the
airplane.
Refer
to
the
Supplements,!
Section
9
for
details
of
other
optional
systems
and
equipment.
|
AIRFRAME
The
airplane
is
an
all
metal,
four-place,
high
wing,
single
enginel
airplane
equipped
with
tricycle landing
gear
and is
designed
for
general utility
and
training
purposes.
The
construction
of
the
fuselage
is
a
conventional
formed
sheet
metal
bulkhead,
stringer,
and
skin
design
referred
to
as
rsemimonocoque.
Major
items
of
structure
are
the
front
and
rear
carry
through
spars
to
which the
wings
are
attached,
a
bulkhead
and
forgings
for
main
landing
gear
attachment
at
the base
of
the
rear
door
posts,
and
a
bulkhead
with
attach
fittings
at
the
base
of
the
forward
door
posts
for
the
lower
attachment
of
the
wing
struts.
-
f'
Four
engine
mount
stringers
are
also
attached
to
the
forward
door
posts
and extend
forward
to
the
firewall.
The
externally
braced
wings,
containing
integral
fuel
tanks,
are
constructed
of
a
front
and
rear
spar
with
formed
sheet
metal
ribs,
doublers,
and
stringers.
The
entire
structure
is
covered
with
aluminum
skin. The
front
spars
are
equipped
with
wing-to-fuselage
and
wing-to-strut
attach
fittings.
The
aft
spars
are
equipped
with
wing-to-fuselage
attach
fittings,
and
are
partial
span
spars.
Conventional
hinged
ailerons
and
single
slot
type
flaps
are
attached
to
the
trailing edge
of
the
wings.
The
ailerons
are
constructed
of
a
forward
spar
containing
balance
weights,
formed
sheet
metal
ribs
and
"V"
type
corrugated
aluminum
skin
joined
together
at
the
trailing edge.
The
flaps
are
constructed
basically
the
same
as
the
ailerons,
with the
exception
of
the
balance
weights
and
the
addition
of
a
formed
sheet metal
leading
edge
section.
Feb
28/00
7-5
All manuals and user guides at all-guides.com
all-guides.com