How high does a fireworks shell go when fired?
The graphic below shows the approximate heights and travel distances for a fireworks shell when fired at a 75 degree angle. Keep in mind, most fireworks shells are fired vertically, and only when similar shells are simultaneously fired from the same position, or in a finale, will you get fireworks that are fired at a trajectory other than 90 degrees.
How large is the burst diameter of a fireworks shell?
Once again, the larger the fireworks shell, the larger the burst diameter. This is one of the reasons the larger shells must travel higher before the explode, as shown in the plot above. The general rule is 45 feet in diameter for ever inch of firework caliber. The graphic below clarifies this point:
All graphics created by Ghergich.com
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