Airframe; Introduction - Cessna 172R Operating Handbook

MODEL 172R

INTRODUCTION

This section provides description and operation of the airplane
and its systems. Some equipment described herein is optional and
may
not be
.
1
Section 9 for

AIRFRAME

The airplane is an all
airplane equipped with tricycle landing gear and is designed for
general utility and training
The construction of the fuselage is a conventional formed sheet
metal bulkhead, stringer, and skin design referred to as
rsemimonocoque.
carry through spars
and forgings
rear door
the forward door posts for the lower attachment of the wing struts.
f'
Four engine
posts and extend
The externally braced
constructed of a front and rear spar with formed sheet metal ribs,
doublers, and stringers.
aluminum skin. The front spars are equipped with
and wing-to-strut attach fittings. The aft spars are equipped with
wing-to-fuselage attach fittings, and are partial span
Conventional hinged ailerons and single slot
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
ailerons, with the
of a formed sheet metal leading edge
Feb 28/00
installed in
details of other optional systems
metal,
Major items of
which the wings are attached, a bulkhead
to
for main landing gear attachment at the base of the
and a bulkhead with attach fittings
posts,
mount stringers are
forward to the firewall.
exception
AIRPLANE
&
the airplane. Refer
four-place, high wing, single
purposes.
structure
also
attached
wings, containing integral fuel tanks, are
The entire
structure
of the balance weights
section.
SECTION 7
SYSTEMS DESCRIPTION
Supplements,!
to the
and equipment.
are the
front
the base of
at
the forward door
to
is covered with
wing-to-fuselage
flaps are attached
type
same as
and the
|
enginel
and rear
-
spars.
the
addition
7-5