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".

On March 14, 1945, a British Lancaster heavy bomber dropped a bomb known as the “Grand Slam,” a 22,000 lb behemoth that was the largest and most powerful bomb ever used up to that time. For years, only a nuclear bomb would be more powerful.

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).

2014年1月22日 · The weapon - a bomb designed by the British aircraft and munitions inventor, Barnes Wallis, and codenamed 'Grand Slam' - was almost 26 foot long and weighed 22,000 pounds, substantially...

In 1945, Barnes Wallis developed the 22,000 pound "Grand Slam," which remained the largest conventional bomb ever used in action. The 10 ton (22,000 pound) Grand Slam was 26-feet, 6-inches long....

The Grand Slam was a 22,000 lb (10,000 kg) earthquake bomb used by RAF Bomber Command against strategic targets during the Second World War. Known officially as the Bomb, Medium Capacity, 22,000 lb, it was a scaled-up version of the Tallboy bomb and closer to the original size that the bombs...

2023年10月10日 · The Grand Slam bomb, developed by Britain during World War II, is one of the largest conventional bombs ever used in combat, designed to break the sound barrier on its way to the ground and punch through meters of concrete and soil.

On this day in 1945 the British made their first attack on Germany using their strongest bomb. It was the so-called “Grand Slam” bomb of yet unseen dimensions and mass. That bomb weighed as much as 10,000 kg and was filled with a special explosive called Torpex (50% more powerful than TNT by mass).

2023年10月7日 · The Grand Slam bomb – officially designated “Bomb, MC (Medium Capacity) 22,000lb,” which equates to 10 tons – was a British invention. In the world of military technological history, just like in civilian life, bigger hasn’t always been …

19 March 1945: Modified Avro Lancaster B Mk.I Special heavy bombers of No. 617 Squadron, Royal Air Force, attacked the railway viaduct at Arnsberg, Germany, using the 22,000 pound (9,979 kilogram) Grand Slam earth-penetrating bomb.