page_title: Grand Slam (bomb)
section_title: Examples
hierarchical_section_title: Grand Slam (bomb) / Aftermath / Examples
caption_attribution_description: English: Grand Slam bomb; RAF Museum London
context_page_description: The Bomb, Medium Capacity, 22,000 lb was a 22,000 lb earthquake bomb used by RAF Bomber Command against German targets during the Second World War. The Grand Slam was a larger version of the Tallboy bomb and closer to the size that its inventor, Barnes Wallis, had envisaged when he developed the idea of an earthquake bomb.
  Medium Capacity bombs were designed to remedy the shortcomings of General Purpose bombs, with a greater blast and casings which were robust enough to confer a considerable capacity to penetrate, especially Tallboy and Grand Slam bombs.
  The Grand Slam case was made of a chrome-molybdenum alloy steel and had a charge-to-weight ratio of nearly fifty per cent. It was also known as Ten Ton Tess because of its weight.
context_section_description: Five complete Grand Slam bombs are preserved and displayed in the United Kingdom at the RAF Museum, London; Brooklands Museum; RAF Lossiemouth; Dumfries and Galloway Aviation Museum and the Battle of Britain Memorial Flight Visitors' Centre at RAF Coningsby. Main portions of these bombs, without their lightweight tails, can be seen at the Kelham Island Museum in Sheffield and Yorkshire Air Museum at Elvington. The T-12 Cloudmaker is an American-made variant of the Grand Slam; an example is displayed at the Air Force Armament Museum in the United States.
caption: A Grand Slam bomb at the RAF Museum, London
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