MIL-STD-1660A APPENDIX F
F.1 SCOPE
TIPOVER TEST
F.1.1 Scope. The following procedure is applicable for determining the ability of unit loads to resist the impacts of being tipped over, and for determining the ability of the unit load, packaging, and packing methods to provide protection to the contents, when the pack is tipped over. Unless otherwise specified (see 6.2), unit loads having widths greater than one-fourth the height shall not be tested in this manner. This Appendix is a mandatory part of the standard. The information contained herein is intended for compliance.
F.2 APPARATUS
F.2.1 Tipover test. In making the tipover test, the unit load may be handled with any convenient equipment, such as a forklift truck, a hoist, a block and tackle, or by hand. A smooth, level, concrete slab, pavement, or similarly unyielding surface shall be available upon which to perform the tipover test.
F.3 SPECIMEN
F.3.1 Contents. One unit load and its contents shall constitute a single specimen. The unit load shall be loaded for the test with the interior packing and the actual contents for which it was designed. If use of the actual contents is not practical, a dummy load shall be substituted to simulate such contents in weight, shape, and position in the container. The contents, or dummy load, shall be blocked, braced, and cushioned in place as for shipment.
F.4 CONDITIONING OF SPECIMEN
F.4.1 Test specimen. Unless otherwise specified (see 6.2), no special conditioning of the test specimen shall be necessary.
F.5 PROCEDURE
The specimen shall be placed on its bottom and slowly tipped until it falls freely (by its own weight) on its side to a smooth, level, concrete slab or similarly unyielding surface. Two of these tipovers shall be made, one on each side or 180 degrees apart on a cylinder. A record shall be made of any changes or breaks in the unit load, such as apparent racking, nail pull, or broken parts and their locations. The packing (blocks, braces, cushions, or other devices) and the contents shall be examined carefully and a record made of their condition.
F.6 NOTES
a. This test is meant to simulate the impacts of accidentally tipping over a unit load. It is intended that the tipover test shall be used only on unit loads that are susceptible to accidental tipovers. Details are given with the qualification, "unless otherwise specified", in paragraphs regarding:
(1) Scope - excluded unit loads (see F.1) (2) Conditioning of specimens (see F.4)
(3) Number and direction of tipover (see F.5)
b. When the tipover test is performed to evaluate the protection provided for the contents, the rigidity of a dummy load should closely approximate that of the actual contents for which the packaging within the unit load was designed.
Source: https://assist.dla.mil -- 3D3ownloaded: 2014-09-28T13:04Z Check the source to verify that this is the current version before use.
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