Ring head/circular firing

With ring head or circular firing the perimeter of a burn area is ignited in a sequence so that the ensuing fire fronts converge toward the center.

• Purpose
  • Typically used for large burn units
• Advantages
  • Can be used in all fuel types
  • Rapid ignition
  • Minimizes control problems along perimeter
  • High fuel consumption
  • Good smoke dispersion
• Disadvantages
  • Strong convection could result in spot fires
  • Could cause loss of control if wind is not correct or spotting potential extremely high