ITOP 4-2-602 PDF

Zolozragore The test ammunition is visually inspeeted for any obvious signs of damage. Using cartridge dummies or mass models to complete filling a package should be used only as a last resort as it is difficult to assure that these items truly replicate the vibrational characteristics of test ammunition. This test determines the effects of salt-water immersion on exposed ammunition. Other effects, such as noise and recoil, have safety implications. Firings are done at ranges and obliquities determined from requirements documents or from the Request for Test Services. The smoke cloud accumulated at the gun during firing is evaluated from the standpoints of target obscuration when viewed from directly behind the gun and visibility or signature of the cloud from a distance beyond the muzzle.

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This may require plowing followed by disking and dragging. One half of the test ammunition should be in a eompletely bare eonfiguration. There are a great many possible impact media, the most common are described below: Target penetration must be verified by witness screens behind the target or by suitable instrumentation such as for blast overpressure.

Each procedure has advantages and disadvantages; however, since the OSTR procedure gives the best estimate for the extremities of itkp arming distance distribution i. Magazine fed weapons should be tested with an empty magazine other than the single round to be fired. The procedures apply to other types of proving ground tests of recoilless rifle ammunition as well as engineering tests. It outlines test phases to be included and points out important features to be considered for each phase.

Use the guidelines from paragraph 4. This subtest determines the effect of high humidity on the functioning performance of ammunition. If salt deposits or corrosion prevent satisfactory weapon functioning, rin s e the ammunition with about one liter one quart of water and wipe dry with a clean cloth and again attempt to fire the ammunition.

Requirement documents or the Request for Test Services may require that a complete pallet of the test ammunition be subjected to the After firing, the hole is measured by a variety of procedures such as X-ray, depth gages, and ultrasonic examination. Measure and photograph perforations and marks.

Most Recoilless rifle fuzes are crimped or glued to the projectile body; they must be cut from the projectile so that they can be modified. The data required will depend on the specifics of each test. Requirements documents or the test plan may require a different duration. Both the personnel bom and helieopter born diseharge sequenees are required. Fuzed ammunition should also be fired for fuze function at the all armed range and at the no-fire range to verify that iotp has not impaired the operation of the fuze.

The tests are done sequentially to simulate that part of the ammunition life cycle that occurs after commercial transportation. Note if any energetic element has functioned as a result of the discharges. Measurements shall inelude shell body length, bourrelet itpp, and rear ogive diameter. The eontent of the ITOP is not eopied into this TOP due to the volume of information; the doeument must be studied to fill in the details of the proeedures noted in the test methods below.

This TOP does not constitute a requirement to do any of the specific tests nor does it serve to set performance or safety criteria for Army materiel. AR PDF After the hour exposure, remove the test items, and drain any accumulated liquid from magazines.

There are many possible Reeoilless rifle ammunition tests that are rarely needed but should be eonsidered in the planning proeess. The will determine if the test ammunition provides an increase or decrease in flash as compared to the standard ammunition. Firings against semi-infinite targets are done itlp determine the total depth of penetration, shape of the hole, and volume of the hole. Referenee ammunition Assessed for ehamber pressure and veloeity.

The eycle is repeated a total of three times three exposures to eaeh of the two temperatures. The visibility of the smoke is affected by lighting conditions and the background for the observation. Note how the cartridges are packed, recording the type of container, overwrap if anyand number of cartridges per container.

Table 3A gives frequencies and field intensities for shipboard applications; use Table Itpp for Army rotorcraft operations. Unique requirements will require that a test method be devised to obtain the required data.

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ITOP 4-2-602 PDF

This may require plowing followed by disking and dragging. One half of the test ammunition should be in a eompletely bare eonfiguration. There are a great many possible impact media, the most common are described below: Target penetration must be verified by witness screens behind the target or by suitable instrumentation such as for blast overpressure. Each procedure has advantages and disadvantages; however, since the OSTR procedure gives the best estimate for the extremities of itkp arming distance distribution i. Magazine fed weapons should be tested with an empty magazine other than the single round to be fired. The procedures apply to other types of proving ground tests of recoilless rifle ammunition as well as engineering tests.

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Kajigul This orientation gives the best view of the target and the best aeeess to the impaet strike point. Approved for public release; unlimited. Witness screens may be needed to determine if fragments and splinters are blown back to the shooters position or the positions of friendly troops. Measuring lethality is a highly specialized field requiring unique test techniques, such as firing into gelatin blocks, and expert data analysis. TOPIop Tests of Small Arms, gives detailed procedures for measuring recoil using five wire and three wire suspended pendulums. Review the Safety Assessment Report and all instructional material issued with the test item by the developer and manufacturer, as well as reports of previous tests conducted on the same model or closely related item.

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Tojagor Check the barrel mount after each target. Conduct safety tests and high-risk tests first to provide an early indication of suitability. Cartridge cases must be drilled at the location corresponding to the location of the port drilled through the barrel. For machineguns with operator replaceable barrels, use a single weapon with two barrels, one new and one near the end of its serviceable life.

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Faular This orientation allows the best aeeess to the target plate and witness however, it will generate rieoehets well off the line of fire. Downloading the ammunition changes the velocity to spin ratio of the in-flight projectile; this may be insignificant or it may be important enough to require that special gun barrels be procured to reestablish the proper ratio. Fuzed ammunition should also be fired for fuze function at the all armed range and no-fire range to verify that the temperature exposures have not impaired the operation of the fuze. The ammunition is inspected, marked for individual identification, and its location within the drop package is recorded. The witness plate for calibers above 40 mm is mild steel 1. The list below gives general requirements, it is not all inclusive.

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