ITOP 4-2-602 PDF

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The solution must eover the test items eompletely. In particular, shipboard use presents unique challenges to the test item. In the case of separate loading projectiles which are transported vertically, base down, with a loose projectile restrain system LPRSthis system is used for the loose cargo test, as being representative of the service condition.

The test ammunition is visually inspeeted for any obvious signs of damage. One such that the cartridges are nose up, one such the cartridges are nose down, and one with the cartridges itpo.


Cartridge cases must be drilled at the location corresponding to the location of the port drilled through the barrel. The number of rounds may be tailored for the specific type of ammunition and its service weapon, or to comply with requirements documents.

Disturb the items as little as possible and do not make any adjustments during the drying period.

The smoke produced by firing a weapon is highly dependent on the prevailing meteorological conditions, particularly the relative humidity and 4-2-02 speed and direction. The EME requirements for shipboard use are different than those for Army rotorcraft. The restricted use test is sensitive to the design of the ammunition packaging; multiple tests may be needed if likely packaging configurations vary in their shielding characteristics. Do not elean or relubricate support weapons unless required for completion of the test.

Any variation from the references must be resolved before a test is performed. Radar velocimeters are used to determine projectile velocities at impact and after ricochet. Firings can also be done itlp specific materials, such as camouflage netting, if needed. The weapon may also be mounted in a test fixture placed on the back of a truck; in this case the weapon will have to be manually aimed using suitable instruments boresight, weapon sights, etc.


If wind and temperature eonditions ean not be met due to program requirements, seasonal meteorologieal eonditions ete. The intent of ricochet testing is to give good confidence that the longest range ricochet has been determined for a given set of conditions. The contents of these documents are not copied into this TOP due to the volume of information; the documents must be studied to fill in the details of the procedures noted in the test methods below.

Gusty winds adversely affect both accuracy and dispersion measurements and should be avoided. The itip ammunition used must be fully identified; record the full nomenclature.

ITOP | Rough Handling Tests, Final Report | Document Center, Inc.

Each test is unique and must be based on the specific requirements for the cartridge. If sample sizes permit, additional firings may be conducted to determine performance characteristics such as dispersion and fuze functioning at the all arm range. Adjust the round counts as needed by for the specific type of weapon and the instrumentation sensitivities and limits. This test is needed only if components of the test ammunition are judged to be susceptible to changes in air pressure.

At a minimum, one test ammunition container will be placed on a bottom corner and one will be placed in the most constrained bottom location. The ammunition must remain safe and serviceable in the electromagnetic environment and it must not adversely affect neighboring systems. Review any damage for safety implications; terminate the test if the damage would cause undue hazard in subsequent tests or firings.

Wind conditions greatly affect the flight of the bullet and must be kept at a minimum to assure quality results.

Also reeord any diffieulties in itlp the support weapon with the exposed ammunition such as excessive force required to charge the weapon, difficulty clearing stoppages, etc. The range should be long enough itopp projectile yaw has damped out, but short enough to permit accurate placement of projectile impact. If the assessed value is lower, the difference shall be subtracted from the values for test rounds.


Targets must be of sufficient thickness to reliably initiate the fuze but not so thick as to cause deflagration if the fuze itself does not initiate the explosives. The plate surface must be clean and fiat in order to provide consistent results.

Also, AR requires that ammunition be designed to meet safety requirements for all climatic design values despite their chance of being used or the requirement to operate in those climates. Prior coordination of the procedure details should allow one test to satisfy both documents. Examine each impact point and record evidence of skipping, cratering, and embedment of the projectile.

Measuring lethality is a highly specialized field requiring unique test techniques, such as firing into gelatin blocks, and expert data analysis.

Ittop no other guidance is available, condition the ammunition to the approximate water temperature and submerge it in a completely unpackaged condition for one hour. A target fixture that faeilitates ehanging the obliquity between eaeh shot is 4-2-6002. This test is for unfuzed ammunition.

Use the type of package as would be shipped from depot storage. Requirement documents or the Request for Test Services may require that a complete pallet of the test ammunition be subjected to the The following definitions are applicable to the test methods in this TOP: This test is typically performed with production representative weapon systems. If the results are eritieal it will be neeessary to use radar traeking along the line indieated by the witness iotp.

Test ammunition is fired in alternate trials with known standard ammunition.

Typical requirements include incendiary effects, breeching capability, and penetration of walls and bunkers; other types of terminal effects requirements may also be encountered.