ITOP 4-2-602 PDF


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

When fired, the cartridge case expands from the internal pressure thus transmitting the force to the sensing element of the conformal gage. Approved for public release; distribution unlimited. The number of eontainers, number of eartridges per eontainer, sample sizes withdrawn, and number of eartridges remaining for the 1. There is no corresponding hazard classification test; however, the data from this test may be useful for that purpose. 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.

Place a witness screen in the line of fire at a close range; five meters has been found to be practicable for small caliber ammunition and ten meters for larger calibers.

The test ammunition should be kept in its original shipping and storage containers until immediately before use. The data required are also different.

Eollowing the test exposure, remove the ammunition and inspect it for evidence of adverse effects. The visibility of the smoke is affected by lighting conditions and the background for the observation. Each procedure has advantages and disadvantages; however, since the OSTR procedure gives the best estimate for the extremities of the arming distance distribution i.


After firing, the hole is measured by a variety of procedures such as X-ray, depth gages, and ultrasonic examination. Larger calibers may be shipped in single containers. Wipe the ammunition with a clean dry cloth to remove the remaining fungus spore suspension. Test ammunition must be fired to determine its performance in its intended weapons. A larger sample size must be used when marginal performance or randomly encountered problems are expected and are to be measured with some degree of confidence.

This velocity will vary itip ammunition lots and weapon barrels. Fuzes may be entirely mechanical, may contain electrical components, or may be electronic in nature. Although test eeonomy must also be eonsidered, the sample size must be iyop to provide reasonable assuranee that eomparison of test results against requirements will be meaningful.


If at all possible, a statistician should review the test results after each shot in order to advice on the end point. All fuze components such as electro explosive devices, stab detonators, etc. Consideration must be given to the possibility of combining data from separate test procedures to effectively increase sample sizes and confidence in results.

The storage periods may be extended to up to 64 hours to aeeommodate work sehedules. After the inspections, the predetermined sample is removed for firing tests and the remaining ammunition and packing is retained for the loose cargo test.

Note if any projectiles function on the dowels; if so note if the function is on, or in. Recoilless rifle ammunition must be compatible with its electromagnetic environment. However, if the test is speeifically a safety test, the entire 20 minutes of loose eargo exposure should be uninterrupted in order to provide an additional margin of safety.

Test techniques are unique to each item. The minimum configuration is one container of test ammunition on one comer of the lowest layer and one container in the most central position of the lowest layer. Each test is unique; general procedures can not be given in this TOP. Army Armament Research, Development and Engineering Center; details of the test procedure and data requirements must be coordinated with this group prior to testing.

The computations are used to construct firing tables, produce computer programs for weapon sights, establish firing range safety dimensions, etc. The test methods below for the more common terminal effects requirements are only general tiop nature must be tailored to each item.

Flash is undesirable because it can reveal a firing position to the enemy, interfere with the use of night vision devices, and cause the loss of night vision adaptation. Use Procedure 1 Standard Test. As a minimum, the meteorologieal data will be reeorded at the start of the test firings and just after the last round is fired. Signature effects are those itip characterize the use of a specific ammunition incidental to its intended performance. The ammunition is inspected, marked for individual identification, and its location within the container is recorded.

Use the detailed procedures of the Technical Bulletin test i: The results will determine itp the test ammunition provides an increase or decrease in toxic emissions as compared to the standard ammunition. The test officer must determine which document a given test is intended to address.


Unique requirements will require that a test method be devised to obtain the required data. If desired, the data is further reduced to show the range safety implications; this reduction is done by a specific computer program available from the ATC Computer Applications Branch.

For Recoilless rifle ammunition, the ITOP procedure is somewhat simplified in that five ammunition containers or multiples of five are required. Barrels for this test must be ported drilled at the pressure locations. TOP 22 September 4. After the inspections, the predetermined sample is removed for firing tests and the remaining ammunition is retained for the 1.

Effects can include surface reactions itlp as rust and corrosion of metallic components, material reactions such as swelling or softening of non-metallic cartridge cases and sabots, and deterioration of paint and identification markings.

The procedures apply to other types of proving ground tests of recoilless rifle ammunition as well as engineering tests. Position the weapon mount forward of the radar so as to minimize the intercept angle of the radar relative to the line of fire; the intercept angle should be less than three degrees. After the inspection, all the ammunition is fired and its velocity is recorded for comparison to ammunition that has not been submerged.

Existing roads, concrete pads, etc. Other mechanisms, such as chemical or incendiary effects, are not considered. Weapons will be maintained in accordance with technical manuals, if available. 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.

Other projectiles, such as for target practice, may not have any specifications for terminal performance against targets, but their terminal ballistics are important for determining range safety considerations. The iyop configuration of the fuze should be preserved and reattached to the projectile body.