{"id":619292,"date":"2026-01-18T19:39:34","date_gmt":"2026-01-18T18:39:34","guid":{"rendered":"https:\/\/cronologia-universale.it\/late-1777\/"},"modified":"2026-01-18T19:39:34","modified_gmt":"2026-01-18T18:39:34","slug":"1742-2","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1742-2\/","title":{"rendered":"1742"},"content":{"rendered":"<p>Quaker Benjamin Robins published the treatise New Principles of Gunnery in England, in which he used his meticulous observations, Boyle&#8217;s Law, and the centripetal forces drawn from Newton&#8217;s Principia, to calculate the velocity and trajectory of a projectile as it exits the muzzle. He also calculated air resistance, which could be up to 120 times the projectile&#8217;s weight, radically changing the theoretical Galilean trajectory. He also calculated the effects of rifled barrels, projectile rotation, and gyroscopic effects. He even recommended oval-shaped projectiles and internally rifled barrels.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quaker Benjamin Robins published the treatise New Principles of Gunnery in England, in which he&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-619292","post","type-post","status-publish","format-standard","hentry","category-vg-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1742 - Cronologia Universale<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cronologia-universale.it\/en\/1742-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1742 - 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