Ammunition Logistic Problems in Hot/Dry Climates,
DEPARTMENT OF DEFENCE CANBERRA (AUSTRALIA)
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During the design of trials to establish the strength of design and safety in gun of the Cartridge 105mm Tank HESH L35A3 produced in Australia a requirement arose to determine the maximum temperatures which the cartridges were likely to experience in service use. The Australian Ordnance Council decided to conduct a trial at the Joint Tropical Trials Research Establishment JTTRE Innisfail to measure the temperatures reached by such ammunition when exposed to severe solar radiation in hotdry climatic conditions. As many of you will be aware, the environments detailed in QSTAG 360 detail upper firing temperatures based on environmental temperatures with the addition of solar radiation. During the establishment of the upper firing temperature criteria a number of conflicting criteria were produced by source documents and by the user of the ammunition. In addition, experienced tank gunners were of the opinion that particularly in ammunition areas, ammunition may spend considerable periods unpackaged exposed to the environment awaiting loading into armoured fighting vehicles. It was decided to obtain some factual data on the temperatures achieved by cartridges exposed to the solar load applicable to the hotdry regions of Australia.