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二战飞机手册 b-24-manual-part-5

ID：32817

大小：27.06 MB

页数：38页

时间：2023-01-29

金币：50

上传者：战必胜
RESTR.ICTED
The
C-1 autopilot
is
an electromechanical
robot which automatically
controls
the
airplane
in
straight and
level flight,
or
maneuvers
the
airplane
in
response to the fingertip
control of
the human
pilot
or bombardier.
Actually,
the
autopilot
works
in much
the
same
way as the human
pilot
in maintaining
straight and level flight, in making
corrections
necessary
to hold a
given
course and
altitude,
and
in
applying
the necessary
pressure
on the
controls to turns,
banks, etc.
The
difference
is
that the
autopilot acts instantaneously
and
with a
precision
that
is not
humanly
possible.
The
precision
of even the most
skillful hu-
man
pilot
is limited
by his own reaction
time,
i.e., the interval
between his
perception
of
a
certain
condition and
his action to
correct
or
control it.
Reaction time itself is
governed
by
such human
fallibilities
as
fatigue,
inability
to
detect
errors the
instant
they occur,
errors in
judgment
and muscle
coordination.
The
autopilot,
on
the other
hand,
detects
flight
deviations
the instant
they
occur,
and
just
as
instantaneously
operates
the
controls
to
RESTRICTED
correct the
deviation. Properly adjusted, the
autopilot will
neither overcontrol nor under-
control the
airplane, but will
keep it flying
straight and
level
with
all
3 control surfaces
operating
in fuil coordination.
How
li Works
The
C-1 autopilot consists of
various separate
units electrically
interconnected to operate as
a
system.
The
operation of these units
is
ex-
plained
in
detail
in AN-11-60AA-1. A
general
over-all
understanding of their functions
and
relation to each other
can
be
acquired by
studying the accompanying
illustration.
Assume
that the airplane
in
the
illustration
is
flying straight and level
and that the autopilot
is
at work.
Suddenly turbulent
air
turns
the airplane
away
from its
established heading. The
gyro-
operated directional
stabilizer
(1)
in
the
bom-
bardier's compartment detects
this deviation
and
moves
the
directional
panel (4)
to one
side
or the other, depending upon
the direction
of
the deviation.
t6l
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