article_snippet.sent: Tony Stark's original suit, made only of iron, would have weighed around 70kg (150lbs) according to the ACS - not very comfortable or easy to move around in.
article_snippet.sent: Tony Stark's later upgrades around 70kg (150lbs) to a gold-titanium alloy, but that would actually make things worse explained the video.
article_snippet.sent: ‘That suit would probably weigh around 160kg (350lbs), which might work for the Hulk but not for Tony Stark,’ said the narrator.