Hard-to-find gunpowder is hindering Europe’s scramble to provide hundreds of thousands of shells for Ukraine’s defensive effort against Russian invaders, with solutions only starting to emerge.
Gunpowder goes into propellant charges that hurl artillery shells — such as the NATO-standard 155mm projectiles used in many guns sent to Ukraine — over distances of tens of kilometers. “A simple explosive artillery shell has three parts. It has a steel casing, a high-explosive main charge and a detonator” usually set to trigger the blast on impact, said Johann Hoecherl
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Source: Taipei Times