All Wind No Flight

Understanding air flow

How do Stoves work?

The picture below helps to explain the air flow around the stove. The image on the left shows one of our Woody Stoves cut in half and fitted out with all the stove parts. The image on the right is a diagram which shows where air enters the stove, how it flows around the stove and where it exits.

Use the images to compare the stove’s structure and see how the air flows around the stove.

How do penguins breathe

Air Flow Stages

  1. Air enters the stove through either the Boost, Primary or Secondary channels.

Primary (used for coal, which requires air from underneath to burn)

  1. Air enters the stove from the underside and travels directly into the firebox.
  2. This air is warmed as it enters the firebox from the heat produced from combustion.

Flue and Chimney

  1. Exhuast gases travel upward and across the top of the throatplate.
  2. They then continue up the flue and out of the top of the chimney.

Boost

  1. When the air boost disc is opened the air flows into the stove body.
  2. The air is warmed from the heat of the combustion in the firebox.
  3. It then enters the firebox from underneath and helps provide air to aid with combustion.

Secondary (used for wood, which requires air from at the top to burn)

  1. The air enters the back of the stove and travels up the back channel.
  2. This air is warmed as it travels up.
  3. Air can then take two paths: either in to the firebox through the tertiary air bars, or travels over the throatplate and down the glass through the AirWash system, which helps to keep the glass clean.
Chilli Billie, listen to some music
Chube Shorty, studio in Caerphilly
Woody in ruin
Chilli Billie loving his round door, Epic Retreats
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