Steamboat Springs resident Tim Borden and his team of experts have been working for six years to break the world record for the largest firework ever launched.
Steamboat Fireworks engineer Eric Krug designed the mortar tube, which is 26 feet long and weighs seven tons. A black powder charge will propel the 62-inch shell. #steamboatfireworks… https://t.co/gOgDpcRCTm