English

DTIC ADA033201: Determination of Minimum Nonpropagation Distance of 155MM M107 Projectiles Grouped 24 on a Pallet.

A series of propagation tests was conducted with pallets containing twenty-four 155mm (M107), Composition-B loaded projectiles, tests were performed with and without loading funnels to determine the safe, non-propagative, clear spacing between two transport carriages. The test results indicated that pallets with 24 projectiles without funnels can be safety spaced at 33.5 metres (110 feet). When funnels were installed in each round, a safe separation distance of 42.7 metres (140 feet) was established. A steel plate blast shield was ineffective, up to a separation distance of 33.5 metres, in preventing detonation propagation between pallets when funnels were present.

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