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Tallboy or Bomb, Medium Capacity, 12,000 lb was an earthquake bomb developed by the British aeronautical engineer Barnes Wallis and used by the Royal Air Force ...
A tallboy is a piece of furniture incorporating a chest of drawers and a wardrobe on top. A highboy consists of double chest of drawers (a chest-on-chest), with the lower section usually wider than the upper. [ 2 ]
Tallboy or tall boy may refer to: Tallboy (bomb) , a British deep penetration earthquake bomb of the Second World War Tallboy (furniture) , a piece of furniture incorporating a chest of drawers and a wardrobe
The bomb was originally called Tallboy Large until the term Tallboy got into the press and the code name was replaced by "Grand Slam". The bomb was similar to a large version of the Tallboy bomb but a new design and closer to the size that its inventor, Barnes Wallis, had envisaged when he developed the idea of an earthquake bomb. It was the ...
Heavy Allied bombing hindered construction but it continued until the end of June 1944, when the site was wrecked by Tallboy bombs dropped by the Royal Air Force. By this time about 90 per cent of the concrete had been completed, apart from the end sections, but the supposedly bomb-proof structure proved unable to withstand the six-ton Tallboy.
In World War II, the British designer Barnes Wallis, already famous for inventing the bouncing bomb, designed two bombs that would become the conceptual predecessors of modern bunker busters: the five tonne Tallboy and the ten tonne Grand Slam. These were "Earthquake" bombs—a concept he had first proposed in 1939. [3]
The Tallboy had been successfully used by No. 617 Squadron against tunnels and other facilities, but the mines had not been used in combat, and Harris and several other senior RAF officers were sceptical of their effectiveness. [36] A Tallboy bomb being hoisted from a bomb dump prior to being used in a raid during 1944
The modified glider tow-hook mechanisms used to suspend the bomb in the bomb bay had caused all four malfunctions, due to the great weight of the bombs. They were replaced with British Type G single-point attachments and Type F releases as used on the Lancaster to carry the 12,000-pound (5,400 kg) Tallboy bomb. [21]