Ww2colourised - A female worker is testing a 20 mm cannon at the Aberdeen Proving Ground, 1942. The Hispano-Suiza HS.404 was a French 20 mm autocannon used in a number of air
I read that a 20mm Hispano shell can weigh around 100g, is that true? With some maths that places 800 rounds of ammo at 80kg which seems very high. - Quora
![20 mm slbrhpgr 95, one of the last 20x110 Hispano cartridges produced in Europe - General Ammunition Discussion - International Ammunition Association Web Forum 20 mm slbrhpgr 95, one of the last 20x110 Hispano cartridges produced in Europe - General Ammunition Discussion - International Ammunition Association Web Forum](https://global.discourse-cdn.com/business6/uploads/cartridgecollectors/original/3X/f/0/f085e9d93ffe84c5efde88b17e87ad633b8020fe.jpeg)