Yonshakudama firework that blows July 4th competition out of the sky

Posted by Tobi Tarwater on Tuesday, July 23, 2024

Japan's Yonshakudama firework that blows July 4th competition out of the sky: Made up of 1,000lbs of explosives and measuring 48" diameter (just don't try making it at home)

  • The firework, understood to be the biggest in the world, weighs 930lb and has bloom diameter of more than 2,400ft
  • Is set off every September for the Katakai-Matsuri Festival in Katakai, Japan
  • The firework was created by Honda Masanori's Katakai Fireworks Co in Niigata Prefecture, Japan

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This firework would certainly make sure any Independence Day party went off with a bang.

Weighing an impressive 930lb and with an incredible 48" diameter, the Yonshakudama is understood to be the world's largest single firework.

The $1,500 firework rises to 2,700ft and has a bloom diameter of more than 2,400ft.

Weighing an impressive 930lb and with an incredible 48" diameter, this is the world's largest single firework. Pictured is Masanori Honda, of Katakai Fireworks Co, next to a mock Yonshakudama The world's largest firework - the Yonshakudama

Weighing an impressive 930lb and with an incredible 48" diameter, this is the world's largest single firework. Pictured, left, is Masanori Honda, of Katakai Fireworks Co, next to a mock Yonshakudama

The $1,500 firework, which rises to 2,700ft and has a bloom diameter of more than 2,400ft, was created by Honda Masanori's Katakai Fireworks Co in Niigata Prefecture, Japan

The $1,500 firework, which rises to 2,700ft and has a bloom diameter of more than 2,400ft, was created by Honda Masanori's Katakai Fireworks Co in Niigata Prefecture, Japan

The firework is set off every September 9 and 10 for the Katakai-Matsuri Festival in Katakai town (pictured is a controller for the firework)

The firework is set off every September 9 and 10 for the Katakai-Matsuri Festival in Katakai town (pictured is a controller for the firework)

It was created by Honda Masanori's Katakai Fireworks Co in Niigata Prefecture, Japan.

It is set off every September 9 and September 10 for the Katakai-Matsuri Festival in Katakai town.

British photographer Tony McNicol pictured staff building the firework while living in Japan.

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Everything in the factory is earthed and all lights are hooked up to special safety switches which do not create sparks.

Once put together the firework is loaded into tubes ready to be launched thousands of feet into the night sky.

The Yonshakudama shell comes in two types - the 'Brocade crown over small flowers' and the 'Floral shell of shells twice blooming'.

The firework is fired from huge launching tubes. Pictured is a launching tube destroyed by one of the fireworks

The firework is fired from huge launching tubes. Pictured is a launching tube destroyed by one of the fireworks

The launching tubes for the Yonshakudama, the world's biggest firework

The launching tubes for the Yonshakudama, the world's biggest firework

A worker at the Katakai Fireworks Co prepares small balls of gunpowder during the manufacturing process A worker fills a firework with gunpowder

Workers at the Katakai Fireworks Co prepare small balls of gunpowder (left) and fill the firework with gunpowder (right) during the manufacturing process

Weighing 930lb and with a 48" diameter, it is the world's largest single firework. Pictured is a member of staff adding layers of paper to the firework

Weighing 930lb and with a 48" diameter, it is the world's largest single firework. Pictured is a member of staff adding layers of paper to the firework

The Yonshakudama however would most certainly not be suitable for the latest extreme hobby taken up by a team of skydivers, who now set off fireworks as they leap from their plane.

It was reported last week how the latest craze in extreme sports, pyrotechnic skydiving, sees the team of four divers activate sets of fireworks strapped to their legs as they fall through the air at speeds of up to 120mph.

Professional skydiving team Fastrax, based in Ohio, USA, have long wowed audiences with their ambitious stunts but their latest effort boasts the added danger of fireworks attached to the divers' ankles.

Gunpowder coated cork drying in the sun at the Katakai Fireworks Co in Niigata Prefecture, Japan

Gunpowder coated cork drying in the sun at the Katakai Fireworks Co in Niigata Prefecture, Japan

British photographer Tony McNicol pictured staff building the firework while living in Japan

British photographer Tony McNicol pictured staff building the firework while living in Japan


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