Facts about Little Boy
· Weight: 9,700 lbs
· Length: 10 ft.; Diameter: 28 in.
· Fuel: Highly enriched uranium; "Oralloy"
· Uranium Fuel: approx. 140 lbs; target - 85 lbs and projectile - 55 lbs
· Target case, barrel, uranium projectile, and other main parts ferried to Tinian Island via USS Indianapolis
· Uranium target component ferried to Tinian via C-54 aircraft of the 509th Composite Group
· Efficiency of weapon: poor
· Approx. 1.38% of the uranium fuel actually fissioned
· Explosive force: 15,000 tons of TNT equivalent
· Use: Dropped on Japanese city of Hiroshima; August 6, 1945
· Delivery: B-29 Enola Gay piloted by Col. Paul Tibbets
· Length: 10 ft.; Diameter: 28 in.
· Fuel: Highly enriched uranium; "Oralloy"
· Uranium Fuel: approx. 140 lbs; target - 85 lbs and projectile - 55 lbs
· Target case, barrel, uranium projectile, and other main parts ferried to Tinian Island via USS Indianapolis
· Uranium target component ferried to Tinian via C-54 aircraft of the 509th Composite Group
· Efficiency of weapon: poor
· Approx. 1.38% of the uranium fuel actually fissioned
· Explosive force: 15,000 tons of TNT equivalent
· Use: Dropped on Japanese city of Hiroshima; August 6, 1945
· Delivery: B-29 Enola Gay piloted by Col. Paul Tibbets