![Quote](images/misc/quote_icon.png)
Originally Posted by
DesG
Also be aware, as I've just been reminded, of the phenomina of flashover. I've never seen it or even met anyone who's seen it, but apparently it does exist. If a light charge is distributed along a large case and the primer flash ignites the whole lot at once, rather than passing the fire from grain to grain, it can build up a huge pressure peak and blow up the gun. In Rifle cases people often use kapok or tissue on top of a light charge to prevent this.