Necessity is the mother of invention. Once the combatants in the Great War settled into the trenches, the Italians faced a desperate shortage of heavy artillery. To help fill this need, Demetrio Maggiora invented a short range 320mm (12.6 inch) mortar powered by acetylene gas. The acetylene was generated in canisters like a miner’s lamp. The gas was transferred into a spherical combustion chamber where it was ignited to launch the projectile. The mortar was muzzle loading and had a very short range – just enough to reach the enemy trenches. It was first used in the Second Battle of the Isonzo in 1915 and was only in service for a short time until more capable weapons became available.
Vargas Scale Models from California USA specializes in interesting and unique subjects from World War One and the Interwar periods in 1:35th scale. All are CAD designed and 3D printed in resin. Sales are direct to the modeler on eBay.