Figure 1-12. AADS Dimensions.

TM 9-1270-219-13&P

Figure 1-12. AADS Dimensions.

generate electronic analog angle signals. The main internal

d a t u m s is automatically accomplished by the dowel fitted

volume of the neck is maintained at static pressure by the

the

AADS.

The

AADS

secured

the

sensor

use of sealed bearings at the gimbals.

i n s t a l I a t i o n by three bolts.

d. A A D S

Body. The AADS body consists of three

e. A i r T e m p e r a t u r e S e n s o r ( A T S ) . The ATS, which is

assemblies, the body and the plug assembly, the cover and

attached to the cover and the dowel assembly, draws in

dowel assembly, and the plate and connector assembly.

air through its trailing edge so that the platinum resistance

Two

pressure

connectors

(part

the

body

and

plug

sensing

element

completely

protected

from

impinging

assembly) and a 22-pin electrical connector (part of the

water droplets, which are separated from the airflow by

plate and connector assembly) interface with the sensor

the inertial effect. Since water is separated out from

i n s t a l l a t i o n . The body has a reference mounting alignment

t h e flow of air over the element no ice formation occurs

against

which

all

AADS

alignment

referred.

o n the element. Ice formation on the leading edge of the

Mechanical alignment of the AADS with the helicopter

shroud has an insignificant effect on sensed temperature

1-13