MIL-W-15805F(SHIPS)
equipments consisting of one each speed detector,
the inspections set forth in the specifications where
speed transmitter, either a speed indicator or
such inspections are deemed necessary to assure
speed indicator recorder, and crosswind-headwind
supplies and services conform to prescribed re-
computer and indicator shall be operated and tested
quirements.
as a wind indicating system, and shall be subjected
4.2 Qualification tests - Qualification tests
to the following qualification tests. Tests shall be
shall be conducted at a laboratory satisfactory to
performed in general in the order listed:
the Bureau of Ships. One complete set of
Test
Requirement
paragraph
paragraph
Test
Operating
All except crosswind and head -
4.5.1
3.3.1
wind equipment
4.5.1.5
3.4.5
Crosswind and headwind equipment
Accuracy (first part)
4.5.2.1
3.3.2
All except crosswind and headwind equipment
4.5.1.5
3.4.5.2
Crosswind and headwind equipment
Supply line voltage and frequency
MIL-I-983
3.3.1
variation
Shielding and radio frequency noise
MIL-I-983
3.3.1
reduction
MIL-I-983
3.3.1
Airborne noise
MIL-I-983
3.3.1
Temperature and humidity
3.3.1
MIL-I-983
Inclination
3.3.1
MIL-I-983 and 4.5.3
Accelerated life
3.3.2
4.5.2.2
Accuracy (second part)
4.5.4
3.4.2
Angular displacement retransmission
Sensitivity
4.5.4
3.4.2.1
All except crosswind and headwind equipment
4.5.1.5
3.4.5.3
Crosswind and headwind equipment
MIL-I-983
3.3.1
Dielectric strength
MIL-I-983
3.3.1
Insulation resistance
3.4.2 .2; 3.4.3.2;
Size
3.4.5 .1; 3.4.6.1
and figure 2
3.4.1.1
MIL-I-983 and 4.5.5
Mounting
Saltspray (not required for trans-
mitter or. crosswind and
MIL-I-983
3.3.1
headwind computer)
MIL-I-983
3.3.1
Vibration (vital)
MIL-I-983
3.3.1
Shock (not required for recorder)
4.5.2.3 and
3.3.2; 3.4.2.1;
Accuracy (third part)
4.5.4
and 3.4.5.2
Application for qualification tests shall be made in accordance with "Provisions Governing Quali -
fication" (see 6.2 and 6.3).
A start stop condition that will duplicate actual in-service operation shall be introduced for this
phase of the test. A minimum of twenty "starts-stops" at the end of each hour's test is required.
The deenergized period shall be of sufficient duration so as to permit the equipment under test
to come to a complete rest. The rest period shall not exceed 30 seconds.
4.3.2 Group A tests. - All equipment furnished
4.3 Sampling for quality conformance inspection. -
on the contract or order shall be subjected to the
4.3.1 Inspection lot. - All equipment offered for
group A test listed in 4.4
delivery at one time shall be considered a lot. The
4.3.3 Sampling for group B test .- A sample
lot may include the entire contract quantity or it may
of equipments shall be selected from each lot in
be the production of any convenient time period.
8
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