Facts about Fat Man
- Weight: 10,800 lbs
- Length: 10 ft 8 in.; Diameter: 60 in.
- Fuel: Highly enriched plutonium 239
- Plutonium Fuel: approx. 13.6 lbs; approx. size of a softball
- Plutonium core surrounded by 5,300 lbs of high explosives; plutonium core reduced to size of tennis ball
- Bomb Initiator: Beryllium - Polonium
- All components of Fat Man ferried to Tinian Island aboard B-29's of the 509th CG
- Efficiency of weapon: 10 times that of Little Boy
- Approx 1.176 grams of plutonium converted to energy
- Explosive force: 21,000 tons of TNT equivalent
- Use: Dropped on Japanese city of Nagasaki; August 9, 1945
- Nuclear Weaponeer: Cdr. Frederick Ashworth
- Delivery: B-29 Bockscar piloted by Maj. Charles Sweeney