Uploaded July 2018 | Updated September 2026, 3 weeks ago

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This video contains 4 absolutely massive explosions using a variety of explosive equipment such as shock tube, det cord, shaped charges and avalanchers.
It was performed safely under the supervision of explosives experts. Additionally, Dan has training as an EOD in the British Army.
instagram.com/gavinfree
instagram.com/danielgruchy

Big thanks to Vision Research for the use of their current top of the range Phantom cameras. Check out their new website! - phantomhighspeed.com

as well as The School Of Mines in Colorado for the use of their facility. - https://www.mines.edu

Sound design by James Rogers - simply sonic studios
Massive Explosive Chain Reaction at 200,000fps - The Slow Mo Guys
Filmed with the Phantom v2640 and v2512