How much Uranium, by weight, was in "Little Boy"?

Ranchoth · May 26, 2003, 5:04am

…I suppose it’s all in the title, then. I hope no one minds my asking…and as long as it’s not still classified, of course.

Ice_Wolf · May 26, 2003, 5:36am

Approximately 140 pounds of uranium fuel: target 85 lbs, projectile 55 lbs.

Topic		Replies	Views
How Much (Whatever) Is Actually in a Nuclear Bomb? Factual Questions	1	835	February 5, 2004
Small Atomic Bomb ? Factual Questions	39	2731	August 20, 2003
Small nuclear bombs Factual Questions	24	3432	September 18, 2001
Suitcase Nukes Factual Questions	4	952	October 8, 2001
Smallest (by mass) nuclear weapon Factual Questions	21	6121	September 14, 2012