Grand Slam (bomb) - Wikipedia
The Bomb, Medium Capacity, 22,000 lb (Grand Slam) was a 22,000 lb (10,000 kg) earthquake bomb used by RAF Bomber Command against German targets towards the end of the Second World War. The bomb was originally called Tallboy Large until the term Tallboy got into the press and the code name was replaced by "Grand Slam".
M110 Grand Slam / M123 Tallboy - GlobalSecurity.org
Dropped from 20,000 feet, a Tallboy made a 80 feet deep crater, 100 feet across. The bomb had a high terminal velocity, variously estimated at 3,600 and 3,700 feet a second (much faster than...
Grand Slam – largest bomb ever dropped by British forces
On 13 March 1945 the largest bomb ever dropped by British forces, during WWII, was first tested ‘live’ in the New Forest at Ashley Walk Bombing Range. The Grand Slam was a 22,000-lb MC high explosive deep-penetration bomb designed by Barns Wallis following on from his creation of the smaller Tallboy (a 12,000-lb MC deep-penetration bomb).
Britain’s Grand Slam was the Heaviest Bomb of WWII
Oct 10, 2023 · Designed to penetrate deep underground before detonating, its “earthquake bomb” design aimed to target and destroy heavily reinforced structures that couldn’t be damaged by conventional means. At 22,000 lbs (11 tons), it was the single largest bomb ever created until the development of atomic weapons.
Ashley Walk Bombing Range - Real New Forest Guide
When he dropped his Grand Slam on reaching the target it hit the ground around 30 feet from the target and created a crater over 100 feet deep. After release from the Avro Lancaster B.Mk 1 (Special) bomber, the Grand Slam reached near supersonic speed, approaching 715 …
14th March 1945 - First 'Grand Slam' raid - Memorial Flight Club
The 10-ton ‘Grand Slam’ was officially known as ‘Bomb, MC (Medium Capacity) 22,000lb’; it was just over 25 feet (almost 8 metres) long and almost 4 feet (1.2 metres) in diameter, and contained 9,135lb of Torpex explosive.
The Grand Slam Bomb: 22,000 lb. ‘Ten Ton Tess’ - World War …
Jun 8, 2015 · The Grand Slam was a 22,000 lb. bomb designed by Barnes Wallis, the same man who developed the smaller Tallboy bomb. An ‘earthquake bomb,’ its designed purpose was to hit the ground and go as far down without exploding, only to detonate underground, creating an earthquake effect.
Military Histories - The final raid
The photograph below (taken just after the war) shows the destroyed viaduct and the enormous 'Grand Slam' crater in the foreground. Although the 'Grand Slam' had not been dropped from its optimal altitude a single 10 ton bomb had achieved what …
Test Site of Biggest British WWII Bomb Explored
Jan 27, 2014 · Archaeologists are investigating a concrete structure at the Ashley Walk Bombing Range in the New Forest in the south of England. On 13 March 1945 it was used for a test drop of the 22,000 pound Grand Slam bomb, the largest bomb dropped until the first atom bomb.
Grand Slam Bomb Testing Site Exploration in New Forest
Feb 5, 2014 · The explosion which resulted from the dropping of the Grand Slam bomb was massive: it caused the earth for miles around it and created a huge crater over 70 feet in depth and 130 feet in width.
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